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Journal articles on the topic 'Delusions'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Hayashi, Naoki, Yoshito Igarashi, and Hirohiko Harima. "Delusion progression process from the perspective of patients with psychoses: A descriptive study based on the primary delusion concept of Karl Jaspers." PLOS ONE 16, no. 4 (2021): e0250766. http://dx.doi.org/10.1371/journal.pone.0250766.

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Background Delusion occupies an important position in the diagnosis and treatment of patients with psychoses. Although Karl Jaspers’ concept of the primary delusion (PD) is a key hypothesis in descriptive phenomenology concerning the primordial experience of delusion, to our knowledge it has not been verified in empirical studies of patients with psychosis, and the relationship between PDs and fully developed delusions remains unclear. Methods The subjects were 108 psychiatric patients diagnosed with DSM-IV schizophrenia or schizoaffective disorder who had persisting delusions. This investigat

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FREEMAN, D., P. A. GARETY, and E. KUIPERS. "Persecutory delusions: developing the understanding of belief maintenance and emotional distress." Psychological Medicine 31, no. 7 (2001): 1293–306. http://dx.doi.org/10.1017/s003329170100455x.

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Background. The objective of the study was to develop the cognitive understanding of persecutory delusions. It was hypothesized that safety behaviours contribute to the persistence of persecutory delusions by preventing disconfirmation. It was further hypothesized that emotional distress is associated with aspects of the content of delusions. An investigation was designed to establish whether individuals with persecutory delusions use safety behaviours, and to test predicted associations between delusion content and emotional distress.Method. A cross-sectional investigation was conducted on 25

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Tzeng, Ray-Chang, Ching-Fang Tsai, Ching-Tsu Wang, Tzu-Yuan Wang, and Pai-Yi Chiu. "Delusions in Patients with Dementia with Lewy Bodies and the Associated Factors." Behavioural Neurology 2018 (2018): 1–8. http://dx.doi.org/10.1155/2018/6707291.

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Objective. Delusions are common neuropsychiatric symptoms in patients with dementia with Lewy bodies (DLB). The aim of this study was to investigate the associated factors of delusions in patients with DLB. Method. A retrospective study of outpatients with DLB registered in a regional hospital’s database was performed. The associated factors including cognitive performance, clinical features, vascular risk factors, and neuropsychiatric symptoms between delusional and nondelusional patients with DLB were compared. Results. Among 207 patients with DLB, 106 (51.2%) were delusional and 101 (48.8%)

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Borrelli, D., R. Ottoni, S. Maffei, N. Fascendini, C. Marchesi, and M. Tonna. "The psychopathological trajectories to delusion in Schizophrenia: the affective and schizotypal pathways." European Psychiatry 65, S1 (2022): S762. http://dx.doi.org/10.1192/j.eurpsy.2022.1968.

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Introduction Delusions are a key feature of schizophrenia psychopathology. From a phenomenological approach, Jaspers (1913) differentiates between “primary” or true schizophrenic delusions, defined as an unmediated phenomenon that cannot be understood in terms of prior psychological origin or motivation, and “secondary” delusions, understandable from the patient’s mood state or personality. Primary delusions have been considered the hallmark of reality distorsion dimension in schizophrenia, disregarding a possible affective patwhay to delusional belief. Objectives The present study was aimed a

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Ningsih, Cahya. "An Analysis of Delusion on Alex in Francesca Zappia’s Made You Up." Journal of Literature, Linguistics, & Cultural Studies 1, no. 1 (2022): 51–67. http://dx.doi.org/10.18860/lilics.v1i1.2231.

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Delusions are deeply held beliefs or false impressions, even though they contradict reality and what is generally thought to be true. This study uses the theory of literary criticism because literary criticism focuses on literary works. The researcher analyzed the delusional disorder experienced by Alex using literary criticism theory with a psychological approach. This study aims to examine Alex's mental disorder in the book Made You Up using delusional theory within the scope of Literary Psychology. The researcher tries to find the dominant form of delusion experienced by the character and h

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Lemonde, Ann-Catherine, Ridha Joober, Ashok Malla, et al. "M114. DELUSIONAL CONTENT AT INITIAL PRESENTATION TO A CATCHMENT-BASED EARLY INTERVENTION SERVICE FOR PSYCHOSIS." Schizophrenia Bulletin 46, Supplement_1 (2020): S178. http://dx.doi.org/10.1093/schbul/sbaa030.426.

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Abstract Background During a psychotic episode, patients frequently suffer from severe maladaptive beliefs known as delusions. Despite the abundant literature investigating the simple presence or absence of these beliefs, there exists little detailed knowledge regarding their actual content and severity at the onset of illness. Investigating delusions in early clinical samples is critical, because their relatively young, treatment-naïve presentations are less likely to be confounded by the effects of long-term illness or previous interventions. Furthermore, a more detailed view of the associat

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Migliorelli, R., G. Petracca, A. Tesón, L. Sabe, R. Leiguarda, and S. E. Starkstein. "Neuropsychiatric and neuropsychological correlates of delusions in Alzheimer's disease." Psychological Medicine 25, no. 3 (1995): 505–13. http://dx.doi.org/10.1017/s0033291700033420.

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SYNOPSISWe examined the prevalence, phenomenology, and clinical correlates of delusions in a consecutive series of 103 patients with probable Alzheimer's disease (AD). Patients were examined with the Present State Exam and the Dementia–Psychosis Scale. Twenty-one patients (20%) met DSM-III-R criteria for a delusional disorder. The most frequent delusion type was paranoid (71%), followed by hypochondriacal (67%), the Capgras syndrome (29%), house misidentification (29%), and grandiose delusions (29%). Out of the 21 AD patients with delusions, 76% had three or more different types of delusions s

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Talasman, Ana-Anca, and Alexandra Dolfi. "Differential diagnosis: delusional disorder- somatic type vs anorexia nervosa." Romanian Journal of Psychiatry and Psychotherapy 20, no. 2 (2018): 83–85. http://dx.doi.org/10.37897/rjpp.2018.2.9.

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Delusional disorder is an illness characterized by at least 1 month of delusions but no other psychotic symptoms, according to the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). (1) Somatic delusions are among the most frequent types of delusion encountered for inpatients, alongside persecutory, referential, grandiose and jealousy type. The differential diagnosis with psychosis is the first to be done and it's suggested by the fact that delusions are persistent and non-bizarre. (2,3) Then all somatic and psychiatric conditions a

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Porta Pelayo, D., and L. López Alonso. "The delusion of aurora (a structural and dynamic analysis)." European Psychiatry 33, S1 (2016): S533—S534. http://dx.doi.org/10.1016/j.eurpsy.2016.01.1974.

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IntroductionThe classical authors associate the insanity with delusions, without delusions there was not insanity. This axiom has changed nowadays, and it's also accepted that insanity can exist without delusions.AimWe aim to know and describe which factors are involved in the development of the delusion. Use these conclusions to drive the patient to the comprehension and acceptance of the reality.Objective(a) Unravel the mechanism of delusion, (b) seek the causes, (c) find out an explanation about the origin and development of the delusional thematic.MethodClinical biographic review, carried

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Freeman, Daniel, Jonathan Bradley, Angus Antley, et al. "Virtual reality in the treatment of persecutory delusions: Randomised controlled experimental study testing how to reduce delusional conviction." British Journal of Psychiatry 209, no. 1 (2016): 62–67. http://dx.doi.org/10.1192/bjp.bp.115.176438.

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BackgroundPersecutory delusions may be unfounded threat beliefs maintained by safety-seeking behaviours that prevent disconfirmatory evidence being successfully processed. Use of virtual reality could facilitate new learning.AimsTo test the hypothesis that enabling patients to test the threat predictions of persecutory delusions in virtual reality social environments with the dropping of safety-seeking behaviours (virtual reality cognitive therapy) would lead to greater delusion reduction than exposure alone (virtual reality exposure).MethodConviction in delusions and distress in a real-world

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Buchanan, Alec, Alison Reed, Simon Wessely, et al. "Acting on Delusions. II: The Phenomenological Correlates of Acting on Delusions." British Journal of Psychiatry 163, no. 1 (1993): 77–81. http://dx.doi.org/10.1192/bjp.163.1.77.

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The aim of the study was to identify the phenomenological characteristics of those delusions which are associated with action. The sample consisted of 79 patients admitted to a general psychiatric ward, each of whom described at least one delusional belief. The variables studied included the phenomenology of the delusions, and behaviour. Two behavioural ratings were used, one derived from the subjects' own description of their behaviour and the other from information provided by informants. There was no association between delusional phenomenology and acting on a delusion when the subjects' be

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Bronstein, Michael, Gordon Pennycook, Jutta Joormann, Philip Corlett, and Tyrone Cannon. "T70. DUAL-PROCESS THEORY, CONFLICT PROCESSING, AND DELUSIONAL BELIEF." Schizophrenia Bulletin 46, Supplement_1 (2020): S258. http://dx.doi.org/10.1093/schbul/sbaa029.630.

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Abstract Background Individuals endorsing delusions exhibit multiple reasoning biases, including a bias toward lower decision thresholds, a bias toward gathering less data before forming conclusions, and a bias toward discounting evidence against one’s beliefs. Although these biases have been repeatedly associated with delusions, it remains unclear how they might arise, how they might be interrelated, and whether any of them play a causal role in forming or maintaining delusions. Progress toward answering these questions may be made by examining delusion-related reasoning biases from the persp

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Houran, James, and Rense Lange. "Redefining Delusion Based on Studies of Subjective Paranormal Ideation." Psychological Reports 94, no. 2 (2004): 501–13. http://dx.doi.org/10.2466/pr0.94.2.501-513.

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The DSM–IV definition of delusion is argued to be unsatisfactory because it does not explain the mechanism for delusion formation and maintenance, it implies that such beliefs are necessarily dysfunctional (pathological), it underestimates the social component to some delusions, and it is inconsistent with research indicating that delusions can be modified through techniques such as contradiction, confrontation, and cognitive-behavioral therapy. However, a well-replicated mathematical model of magical/delusional thinking based on a study of paranormal beliefs and experiences is consistent with

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Sherchan, Surendra, and Devavrat Joshi. "The Man Behind the Royal Massacre." Journal of Nepal Medical Association 53, no. 200 (2015): 291–94. http://dx.doi.org/10.31729/jnma.2749.

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Delusional disorder is a relatively uncommon psychiatric condition in which patients present with non-bizarre delusions, but with no accompanying prominent perceptual disturbances, thought disorder or significant and sustained mood symptoms. Apart from their delusions, people with delusional disorder may continue to socialize and function in a normal manner and their behavior does not generally seem odd or bizarre to others for many years of the onset of their symptoms. Because of this, they are brought to the clinician many years after the onset of their symptoms, only when their delusional b

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Porcher, José Eduardo. "Can dispositionalism about belief vindicate doxasticism about delusion?" Principia: an international journal of epistemology 19, no. 3 (2015): 379. http://dx.doi.org/10.5007/1808-1711.2015v19n3p379.

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http://dx.doi.org/10.5007/1808-1711.2015v19n3p379Clinical delusions have traditionally been characterized as beliefs in psychiatry. However, philosophers have recently engaged with the empirical literature and produced a number of objections to the so-called doxastic status of delusion, stemming mainly from the mismatch between the functional role of delusions and that expected of beliefs. In response to this, an appeal to dispositionalism about the nature of belief has been proposed to vindicate the doxastic status of delusion. In this paper, I first present the objections to attributing beli

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Pochueva, V., and V. Sheshenin. "Prodromal stage and clinical features of late-onset schizophrenia and schizophrenia-like psychosis." European Psychiatry 66, S1 (2023): S1003. http://dx.doi.org/10.1192/j.eurpsy.2023.2130.

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IntroductionThe early diagnostic of schizophrenia and other psychosis is very important for the early therapeutic interventions.ObjectivesThe aim is to describe the connection between the prodromal stage of psychosis and clinical features.Methods74 patients with late-onset psychosis (mean age 64,33±9, 2 male; age of onset 55,3±11,2): late-onset schizophrenia (LOS) (n=49, mean age 63,0±8,47, age of onset 53,9±9,56), late-onset schizoaffective disorder (LOSaD) (n=17, mean age 62,4±6,5, age of onset 54,6±10,6, 2 male), late onset delusion disorder (LODD) (n=8, mean age 76,6±4,3, age of onset 65,2

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Mullen, Richard. "Delusions: The Continuum Versus Category Debate." Australian & New Zealand Journal of Psychiatry 37, no. 5 (2003): 505–11. http://dx.doi.org/10.1046/j.1440-1614.2003.01239.x.

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Objective: In this paper I critically review the recently developed idea that delusions are best considered as part of a continuum along with more ordinary human beliefs. Method: A literature review of the area was guided by a Medline search, and supplemented with material already known to the author. Claims that recent research supports the continuum hypothesis is critiqued. Results: The argument and evidence advanced for the continuum approach to delusions depends largely on: (i) inadequacies of prevailing definitions of delusion, particularly in the light of evidence that delusional convict

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Kumar, Amit, Sambhu Prasad, Sulagna Mallik, and Ritisha Choudhary. "Persistent Delusional Disorder Presenting as Munchausen by Proxy - A Case Report." International Journal of Research and Review 12, no. 2 (2025): 401–3. https://doi.org/10.52403/ijrr.20250249.

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Delusion is a false, unshakable belief that is out of keeping with the patient’s social and cultural background (Patricia Casey et al, 2019). Persistent delusional disorder (PDD) is characterized by the development either of a single delusion or of a set of related delusions which are usually persistent and sometimes lifelong. Often they are persecutory, hypochondriacal, or grandiose, but they may be concerned with litigation or jealously, or express a conviction that the individual’s body is misshapen, or that others think that he or she smells or is homosexual (ICD-10 classification of Menta

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Geroldi, Cristina, Lorena Bresciani, Orazio Zanetti, and Giovanni B. Frisoni. "Regional Brain Atrophy in Patients With Mild Alzheimer's Disease and Delusions." International Psychogeriatrics 14, no. 4 (2002): 365–78. http://dx.doi.org/10.1017/s1041610202008566.

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Background and Objective: The pathophysiology and the neurobiology of the behavioral disturbances in Alzheimer's disease (AD) are far from understood. The aim of the study was to assess whether delusional AD patients have a specific pattern of regional brain atrophy. Methods: The setting of the study was the outpatients facility of a memory clinic. Subjects were 41 AD patients with mild dementia severity (Mini-Mental State Exam score of 22 ± 3, range 18 to 27). Delusions were assessed with the pertinent subscale of the UCLA Neuropsychiatric Inventory (NPI). Nondelusional (n = 22) AD and delusi

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Deutsch, Caroline J., Noelle Robertson, and Janis M. Miyasaki. "Psychological Impact of Parkinson Disease Delusions on Spouse Caregivers: A Qualitative Study." Brain Sciences 11, no. 7 (2021): 871. http://dx.doi.org/10.3390/brainsci11070871.

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There is growing research on carers of people with Parkinson’s disease (PD) experiences. However, the impact on carers by PD delusions is not specifically examined. We conducted a qualitative study using semi-structured interviews of spouse carers of PD patients with delusions. Thematic analysis was employed using MAXQDA 2018. Twelve spouse participants (SPs) were interviewed. Four themes emerged: Managing incredulity: trying to make sense of delusion content; Hypervigilance: constant alertness to bizarre and threatening discourse and behavior; Defensive strategizing: anticipating delusions an

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Gibbs, Ayana A., and Anthony S. David. "Delusion formation and insight in the context of affective disturbance." Epidemiologia e Psichiatria Sociale 12, no. 3 (2003): 167–74. http://dx.doi.org/10.1017/s1121189x00002943.

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SummaryObjective – Delusions and lack of insight have traditionally been viewed as the defining characteristics of insanity and in modern psychiatry continue to be central to the diagnosis of psychosis. Little is known about the mechanisms of delusion formation and much of the research into delusions and lack of insight has been focussed on schizophrenia, in spite of the fact that these symptoms are also prominent in other disorders e.g., affective psychosis. The objective of this paper is to review the literature on existing theories of delusions and insight with reference to the effects of a

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Kaleda, V., U. Popovich, and N. Romanenko. "Religious delusions in adolescence and young adults: Features of psychopathology and clinic." European Psychiatry 64, S1 (2021): S804. http://dx.doi.org/10.1192/j.eurpsy.2021.2126.

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IntroductionReligious delusions is a complex psychopathological phenomenon. The delusional disorders with religious content in young age, the need for an additional detailed study of the conditions of their formation, patterns of the course and outcome of the disease determine the relevance of this study.ObjectivesTo identify the psychopathological features, the conditions of formation, the characteristics of the course of psychosis with religious delusions in young age.Methods95 patients (62 male and 33 female) with religious delusions (delusion of sin - 33,7%, delusion of demonic possession

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Khoury, Marc A., Mohamad-Ali Bahsoun, Ayad Fadhel, et al. "Delusional Severity Is Associated with Abnormal Texture in FLAIR MRI." Brain Sciences 12, no. 5 (2022): 600. http://dx.doi.org/10.3390/brainsci12050600.

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Background: This study examines the relationship between delusional severity in cognitively impaired adults with automatically computed volume and texture biomarkers from the Normal Appearing Brain Matter (NABM) in FLAIR MRI. Methods: Patients with mild cognitive impairment (MCI, n = 24) and Alzheimer’s Disease (AD, n = 18) with delusions of varying severities based on Neuropsychiatric Inventory-Questionnaire (NPI-Q) (1—mild, 2—moderate, 3—severe) from the Alzheimer’s Disease Neuroimaging Initiative (ADNI) were analyzed for this task. The NABM region, which is gray matter (GM) and white matter

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Gawęda, Ł., and K. Prochwicz. "A comparison of cognitive biases between schizophrenia patients with delusions and healthy individuals with delusion-like experiences." European Psychiatry 30, no. 8 (2015): 943–49. http://dx.doi.org/10.1016/j.eurpsy.2015.08.003.

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AbstractBackgroundThe role of psychosis-related cognitive biases (e.g. jumping to conclusions) in a delusion continuum is well-established. Little is known about the role of types of cognitive biases. The aim of this study was to investigate the role of psychosis-related and “Beckian” (i.e. anxiety- and depression-related) cognitive biases assessed with a clinical questionnaire in the delusion continuum and its dimensions.MethodsSchizophrenia patients with (n = 57) and without (n = 35) delusions were compared to healthy subjects who had a low (n = 53) and high (n = 57) level of delusion-like e

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Borisova, O., G. Kopeyko, E. Gedevani, and P. Orehova. "The end-world delusion with religious content, apocalyptic variant." European Psychiatry 64, S1 (2021): S770. http://dx.doi.org/10.1192/j.eurpsy.2021.2038.

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IntroductionDiagnostics of Apocalyptic variant of end-world Delusion with Religious Content (ADRC) in schizophrenia is related with insufficient exploration and recognizability, despite the severity of the state, social risks and resistance to psychopharmacotherapy.ObjectivesTo define psychopathological and phenomenological features of ADRC in schizophrenia, to identify the clinical dynamics of delusional disorders due to specifics of the delusional behavior, and to develop diagnostic and prognostic criteria.Methods28 patients with ADRC in schizophrenia were examined (ICD-10: F20.0, F20.01, F2

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Madeira, L. A., L. F. Manarte, D. Guerreiro, and C. Dias. "A case of delusional disorder, diagnostics and therapeutic questions." European Psychiatry 26, S2 (2011): 1709. http://dx.doi.org/10.1016/s0924-9338(11)73413-7.

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The Delusional disorder is uncommon, accounting for 2–8% of all hospital admissions for non-organic psychotic disorder and is usually initiated after the third decade of life. It is characterized primarily by one or more non-bizarre delusions, and according to the content of delusions, can be divided into five subtypes: persecution, jealousy, erotomanic, somatic and grandeur.We present a case of a patient with Jealousy Delusional Disorder and discuss the main difficulties that arise in the differential diagnosis and treatment.In the differential diagnosis is essential to eliminate the patholog

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Klyushnik, T. P., A. B. Smulevich, S. A. Zozulya, D. V. Romanov, and V. M. Lobanova. "Clinical and Immunological Aspects of Delusional Disorders in Paranoid Schizophrenia." Psikhiatriya 21, no. 2 (2023): 6–16. http://dx.doi.org/10.30629/2618-6667-2023-21-2-6-16.

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Background: insufﬁcient study of heterogeneous delusional disorders in schizophrenia and the role of inﬂammation in the development of the disease served as the basis for this study. The aim: to establish the role of immune mechanisms in the processes of the interaction of different forms of delusional symptom complexes in schizophrenia. Patients: 60 patients (mean age 38.4 ± 1.11 years) with the diagnosis “paranoid schizophrenia, continuous progressive course” (F20.00, ICD-10) were included in the study. The state of patients was deﬁned by persistent delusional/hallucinatory delusional disord

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Nakatsuka, Masahiro, Kenichi Meguro, Hiroshi Tsuboi, Kei Nakamura, Kyoko Akanuma, and Satoshi Yamaguchi. "Content of delusional thoughts in Alzheimer's disease and assessment of content-specific brain dysfunctions with BEHAVE-AD-FW and SPECT." International Psychogeriatrics 25, no. 6 (2013): 939–48. http://dx.doi.org/10.1017/s1041610213000094.

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ABSTRACTBackground: A consensus on the brain dysfunction(s) underlying the delusions of Alzheimer's Dementia (AD) remains to be achieved. The aim of the present study was to test the hypothesis that content-based categorization of delusional ideas manifests as dysfunction of category-specific brain regions.Methods: Fifty-nine consecutive first-visit AD outpatients underwent Single Photon Emission Computed Tomography (SPECT), Mini-Mental State Examination, and Behavioral Pathology in Alzheimer's Disease Frequency-Weighted Severity scale (BEHAVE-AD-FW) to assess cerebral blood flow (CBF), cognit

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Nemeh, Michael, John Koo, and Mio Nakamura. "When Should Dermatologists Refer Delusions of Parasitosis Patients to Psychiatry: An Expert Recommendation." SKIN The Journal of Cutaneous Medicine 8, no. 1 (2024): 1337–39. http://dx.doi.org/10.25251/skin.8.1.23.

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Many patients with delusions of parasitosis (DoP) prefer to be managed by dermatologists rather than mental health professionals (MHPs). While some patients with DoP can be managed by dermatologists, others must be referred to MHPs. The purpose of this article is to assist dermatologists in determining when to refer their DoP patients to a MHP. We propose 3 criteria for making this determination: whether the delusion is primary or secondary, whether the delusion is encapsulated and realistic or global and bizarre, and the patient’s degree of delusional intensity. Patients with secondary DoP, d

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Ayesha Ahmad, Imran Ashraf Malik, Samar Bakhtawar, Amna Abdul Ghafoor, and Javeria Mirza. "Exploring the Therapeutic Potential of Cognitive Behavioral Therapy in Delusional Disorder: A Single-Case Study Investigation." Critical Review of Social Sciences Studies 3, no. 1 (2025): 77–84. https://doi.org/10.59075/q3hhwg72.

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This case study examines the effectiveness of Cognitive Behavior Therapy (CBT) to address Delusional Disorder in adults, with non-bizarre delusions. Informal assessment was done through clinical interview, mental status examination and the tools used for formal assessment encompassed the Peter Delusion Inventory PDI (Peters et al., 2004), Beck Depression Inventory BDI II (Beck et al., 1996), Beck Anxiety Inventory BAI (Beck et al., 1996) and the Global Assessment Functioning scale GAF (Pedersen & Karterud, 2012). Over 12 weekly sessions using customized cognitive behavioral therapy methods

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Brar, Pavan, Melissa Kalarchian, and Donna Beck. "S191. A SCOPING REVIEW AND PHENOMENOLOGICAL EVALUATION OF METACOGNITIVE TRAINING FOR SCHIZOPHRENIA." Schizophrenia Bulletin 46, Supplement_1 (2020): S111. http://dx.doi.org/10.1093/schbul/sbaa031.257.

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Abstract Background The self-disorder (SD) approach to schizophrenia posits that although schizophrenia involves a core disruption, this alteration nonetheless leaves room for variable experiential pathways toward delusion formation, which are held to account for variation in thematic content. This view of delusions, then, complicates the picture provided by the theory and research that supports MCT, raising the question of how these separate bodies of empirical evidence might be weighed against each other and reconciled. A major point of difference between these two perspectives is on the iss

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Suehiro, Takashi, Yuto Satake, Mamoru Hashimoto, Hisahiro Yu, and Manabu Ikeda. "551 - Case Report: De Archambault’s syndrome in the early stage of dementia with Lewy bodies." International Psychogeriatrics 33, S1 (2021): 92–93. http://dx.doi.org/10.1017/s1041610221002465.

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Background:Dementia with Lewy bodies (DLB) is the second most common form of degenerative dementia after Alzheimer’s disease. In some patients with DLB, relatively rare delusions are known to emerge, such as Othello syndrome, delusional parasitosis and delusion of duplication. Erotomania, also known as de Clerambault’s syndrome, is characterized by the delusion that a person has fallen in love with the patient. It occasionally appears secondary to psychiatric disorders and organic brain diseases. However, there have been no reports on cases secondary to patients with DLB.Case presentation:The

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Wati, Rahma Ambar, M. Arif Budiman Sucipto, and Mulyani Mulyani Mulyani. "Analisis Gangguan Delusi pada Remaja Generasi Z yang Mengalami Obsesi di Desa Cigedog Kecamatan Kersana Kabupaten Brebes." Empati : Jurnal Bimbingan dan Konseling 12, no. 1 (2025): 153–73. https://doi.org/10.26877/empati.v12i1.20154.

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Generation Z relies heavily on the internet and social media, making them have instant desires and are obsessed with their dreams. This causes them to experience delusional disorders. The purpose of this study is to determine the types, causative factors and impacts of delusional disorders experienced by Generation Z adolescents who experience obsession. This study is a qualitative study. The source of research data uses primary and secondary data, the form of data in the form of words and pictures, not emphasizing numbers. Data collection techniques use observation, interviews, documentation,

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McGuire, Lynanne, John Junginger, Serrhel G. Adams, Richard Burright, and Peter Donovick. "Delusions and delusional reasoning." Journal of Abnormal Psychology 110, no. 2 (2001): 259–66. http://dx.doi.org/10.1037/0021-843x.110.2.259.

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Wessely, S., A. Buchanan, A. Reed, et al. "Acting on Delusions. I: Prevalence." British Journal of Psychiatry 163, no. 1 (1993): 69–76. http://dx.doi.org/10.1192/bjp.163.1.69.

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Associations between delusions and abnormal behaviour were retrospectively assessed in a sample of 83 consecutively admitted deluded subjects. All were interviewed about events in the previous month using a new measure of delusional phenomenology and action. For 59 subjects this information was supplemented by informant interviews. Clinical consensus was reached concerning the probability that actions reported by informants were linked to delusions. Half of the sample reported that they had acted at least once in accordance with their delusions. Violent behaviour in response to delusions was u

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Cummings, Jeffrey L. "Organic Delusions: Phenomenology, Anatomical Correlations, and Review." British Journal of Psychiatry 146, no. 2 (1985): 184–97. http://dx.doi.org/10.1192/bjp.146.2.184.

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SummaryOrganic delusions are common, but have received little systematic study. Review of the literature reveals that they occur most commonly in toxicmetabolic processes and in disorders affecting the limbic system and basal ganglia. A prospective study of 20 consecutive patients with organic delusions revealed four general types of false beliefs: simple persecutory delusions, complex persecutory delusions, grandiose delusions, and those associated with specific neurological defects (anosognosia, reduplicative paramnesia). Simple delusions responded best to treatment, and complex delusions we

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Smurzyńska, Adrianna. "The Role of Emotions in Delusion Formation." Studies in Logic, Grammar and Rhetoric 48, no. 1 (2016): 253–63. http://dx.doi.org/10.1515/slgr-2016-0066.

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Abstract The text concerns the role of emotions in delusion formation. Provided are definitions from DSM-V and DSM-IV-R and the problems found in those definitions. One of them, the problem of delusion formation, is described when providing cognitive theories of delusions. The core of the paper is a presentation of the emotional and affective disorders in delusions, especially Capgras delusion and Cotard delusion. The author provides a comparison of the kinds of delusions and the conclusions taken from neuroimaging studies. As a result of the fact that an explanation of delusion formation focu

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Butler, Peter V. "Diurnal Variation in Cotard's Syndrome (Copresent with Capgras Delusion) Following Traumatic Brain Injury." Australian & New Zealand Journal of Psychiatry 34, no. 4 (2000): 684–87. http://dx.doi.org/10.1080/j.1440-1614.2000.00758.x.

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Objective: The aim of this paper is to document regular nocturnal intensification of delusional nihilistic and persecutory ideas (Cotard delusion) linked with extreme depersonalisation and hypervivid dreaming. Clinical Picture: A 17-year-old man presented with Cotard and Capgras delusions after sustaining multiple cognitive impairments secondary to traumatic brain injury. Treatment and outcome: Delusional ideation fully resolved within 14 days of commencement of olanzapine 5 mg daily. Conclusion: This patient's experience of perceptual abnormalities and impairments in meta-abilities related to

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Ongchuan, Samantha, and Sahil Munjal. "New Onset Capgras and Cotard Delusions in Schizoaffective Disorder." CNS Spectrums 28, no. 2 (2023): 259. http://dx.doi.org/10.1017/s1092852923002067.

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AbstractBackgroundCotard is a syndrome characterized by ideas of damnation or rejection, anxious melancholia, and nihilistic delusions concerning one’s own body or existence. Capgras is a syndrome in which the patient believes that the identities of close relatives or friends are replaced by others. Capgras and Cotard delusion are rarely reported in one individual simultaneously, which we will describe in this poster.Case ReportDD is a 38-year-old female with history of schizoaffective disorder, bipolar type, PTSD, and reported TBI who presented to the ED exhibiting paranoia and delusions in t

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Soyka, M., G. Naber, and A. Völcker. "Prevalence of Delusional Jealousy in Different Psychiatric Disorders." British Journal of Psychiatry 158, no. 4 (1991): 549–53. http://dx.doi.org/10.1192/bjp.158.4.549.

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The prevalence of delusional jealousy in 8134 psychiatric in-patients was 1.1%. Delusions of jealousy were most frequent in organic psychoses (7.0%), paranoid disorders (6.7%), alcohol psychosis (5.6%) and schizophrenia (2.5%), while in affective disorder delusions of jealousy could be found in only 0.1%. Because schizophrenia and affective disorder were the most common diagnoses, most patients with delusions of jealousy were schizophrenics. In schizophrenia, women were more likely to suffer from delusional jealousy, while in alcohol psychosis, men were more likely than women to suffer from de

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Kim, Seo Yoo, and Soo Jin Lee. "The characteristics of cognitive and daily living functions of neurocognitive disorders with delusions in elderly Alzheimer’s disease." PeerJ 12 (September 13, 2024): e18026. http://dx.doi.org/10.7717/peerj.18026.

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Background Delusions in neurocognitive disorder due to Alzheimer’s disease (AD) worsen patients’ cognitive functions and activities of daily living (ADL), increasing caregiver burden and the risk of mortality. AD patients with delusions tend to experience a more rapid decline in cognition and have demonstrated poorer performance on various cognitive function tests. Considering the prognosis of delusion in AD patients, it tends to be more favorable with appropriate treatment. However, there is a lack of neuropsychological research, specifically examining the impact of delusions in AD, character

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Bowins, B., and G. Shugar. "Delusions and Self-Esteem." Canadian Journal of Psychiatry 43, no. 2 (1998): 154–58. http://dx.doi.org/10.1177/070674379804300204.

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Objective: To investigate the hypothesis that the content of delusions and hallucinations is significantly influenced by subjects ' global self-esteem and by 5 specific areas of self-esteem. Method: The delusions and hallucinations of 40 psychotic patients were assessed by 2 independent raters for content indicative of positive or negative self-esteem and for the extent to which the delusional content would be self-enhancing (or diminishing) and comforting (or discomforting) to the subject. These ratings were correlated with the results of self-esteem inventories completed by the subjects. Res

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Howard, Robert, David Castle, Simon Wessely, and Robin Murray. "A Comparative Study of 470 Cases of Early-Onset and Late-Onset Schizophrenia." British Journal of Psychiatry 163, no. 3 (1993): 352–57. http://dx.doi.org/10.1192/bjp.163.3.352.

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The presence or absence of 22 schizophrenic symptoms was recorded with the age at onset of illness in 470 patients with non-affective, non-organic psychoses. Positive and negative formal thought disorder, affective symptoms, inappropriate affect, delusions of grandiosity or passivity, primary delusions other than delusional perception, and thought insertion and withdrawal were all more common in early-onset cases (age at onset 44 years or less;n= 336). Persecutory delusions with and without hallucinations, organised delusions, and third-person, running commentary and accusatory or abusive audi

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Okuneye, Victoria, Brett Clementz, Elliot Gershon, et al. "O2.6. DELUSIONS ASSOCIATED WITH ABNORMAL FRONTOSTRIATAL EFFECTIVE CONNECTIVITY IN A SPECTRAL DCM ANALYSIS OF RESTING STATE FMRI." Schizophrenia Bulletin 46, Supplement_1 (2020): S5. http://dx.doi.org/10.1093/schbul/sbaa028.011.

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Abstract Background Delusions, false beliefs held in the face of disconfirming evidence, are a prevalent and highly distressing feature of psychotic disorders. The neurobiology of delusions remains unknown but recent evidence suggests a role for abnormal prediction error neural signaling. Prediction error is neurocognitive process in which the brain signals the need to update beliefs when presented with information that disconfirms expectations. Task based neuroimaging studies have identified delusional beliefs correlate with altered activation in frontal and subcortical brain regions during p

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Freeman, Daniel, and Philippa A. Garety. "WORRY, WORRY PROCESSES AND DIMENSIONS OF DELUSIONS: AN EXPLORATORY INVESTIGATION OF A ROLE FOR ANXIETY PROCESSES IN THE MAINTENANCE OF DELUSIONAL DISTRESS." Behavioural and Cognitive Psychotherapy 27, no. 1 (1999): 47–62. http://dx.doi.org/10.1017/s135246589927107x.

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The efficacy of CBT for psychosis will be enhanced by a greater understanding of the mechanisms underlying symptoms. Therefore, an investigation is reported that examined a role for a neglected factor, anxiety, in the maintenance of delusional beliefs. It was hypothesized that processes responsible for chronic worry, as detailed by Wells’ (1994a) meta-cognitive model, contribute to delusional distress. Questionnaire measures of anxiety, chronic worry and of meta-worry and related processes were administered to individuals with persecutory delusions (N=15) and individuals with generalized anxie

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Chaudhry, Ahmed A., and Jack W. Hirsch. "Thanatotic Infestation: Ekbom’s Syndrome as an Exordium to Cotard’s Delusion." CNS Spectrums 28, no. 2 (2023): 214. http://dx.doi.org/10.1017/s1092852923001256.

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AbstractIntroductionEkbom’s delusion as a prelude to Cotard’s syndrome, has not heretofore been described.MethodsCase study: A 45-year-old woman with a past diagnosis of bipolar disorder with psychotic features was admitted, having been up all night conversing with spirits, proclaiming that she had made a deal with Satan. Convinced that her grandmother was possessed by the devil, she smashed her grandmother’s head with a two-by-four. Results: Mental Status Examination: self conversing with her eyes darting around the room. Poor hygiene. Behavior: guarded and withdrawn. Oriented x2. Speech: hyp

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Yumatova, P. E. "The Historical Aspect of Depressive Delusions Phenomenon Studies." Psikhiatriya 18, no. 3 (2020): 65–75. http://dx.doi.org/10.30629/2618-6667-2020-18-3-65-75.

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The aim: to provide an overview of domestic and international studies examining various aspects of issue of depressive delusional ideas in endogenous delusional depression disease patternMaterials and method: in order to compile a literature review for the keywords depressive delusions and delusional depressions, data from scientific articles posted in MedLine and PubMed databases as well as other bibliographic sources have been searched and analyzed during the formation of scientific psychiatry to the present.Discussion: based on the analysis of scientific publications, this paper presents da

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Tasenko, Mykhailo. "DELUSION: POSSIBILITIES FOR ANALYSIS." Bulletin of Taras Shevchenko National University of Kyiv. Philosophy, no. 8 (2023): 44–48. http://dx.doi.org/10.17721/2523-4064.2023/8-8/8.

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The article presents the main concepts for defining and describing delusions and delusional ideas used in modern clinical psychiatry and philosophy of psychiatry. Their analysis and comparison are carried out, the main differences in the psychiatric and philosophical understanding of delusions are indicated. It is demonstrated that modern clinical psychiatry considers delusional ideas inaccessible to understanding, and therefore considers them purely as a symptom of mental disorder. The author proposes to reconsider this approach and focus on interpreting delusions, giving them meaning, and fi

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Enache, Andreea. "Persistent delusional disorder versus OCD – how can we differentiate between delusions and obsessions without insight. A literature review." Romanian Journal of Psychiatry and Psychotherapy 22, no. 2 (2020): 67–70. http://dx.doi.org/10.37897/rjpp.2020.2.5.

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Both obsessive-compulsive disorders and psychotic disorders are very common among inpatients and outpatients. Though at first these 2 seem to not have much in common there is an aspect that requires more attention from the clinician: differentiating between delusions and obsessions without insight. This could be facilitated by a careful comparative examination of the phenomenological features of typical obsessions (with or without compulsions) and delusions (with or without repetitive delusional behaviors). In this article we examined key clinical features of obsessions and delusions in order

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Menon, M., J. Addington, and G. Remington. "Examining Cognitive Biases in Patients With Delusions of Reference." European Psychiatry 28, no. 2 (2011): 71–73. http://dx.doi.org/10.1016/j.eurpsy.2011.03.005.

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AbstractCognitive biases may not be seen in all subtypes of delusions, and might be more involved in the etiology of some delusional subtypes than others. A sample of patients with delusions of reference did not show the jumping to conclusions (JTC) bias. JTC appears to be more closely related to paranoia than referential delusions.

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