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Littérature scientifique sur le sujet « Emotional co-activation »

Auteur : Grafiati
Publié le 22 février 2025

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Articles de revues sur le sujet "Emotional co-activation"

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MOTOYAMA, Hiroki, Takuya MIYAZAKI et Shinsuke HISHITANI. « Co-activation of visual and emotional information by mental imagery ». Japanese Journal of Cognitive Psychology 5, no 2 (2008) : 119–29. http://dx.doi.org/10.5265/jcogpsy.5.119.

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Demenescu, L. R., R. Renken, R. Kortekaas, M. J. van Tol, J. B. C. Marsman, M. A. van Buchem, N. J. A. van der Wee, D. J. Veltman, J. A. den Boer et A. Aleman. « Neural correlates of perception of emotional facial expressions in out-patients with mild-to-moderate depression and anxiety. A multicenter fMRI study ». Psychological Medicine 41, no 11 (6 mai 2011) : 2253–64. http://dx.doi.org/10.1017/s0033291711000596.

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BackgroundDepression has been associated with limbic hyperactivation and frontal hypoactivation in response to negative facial stimuli. Anxiety disorders have also been associated with increased activation of emotional structures such as the amygdala and insula. This study examined to what extent activation of brain regions involved in perception of emotional faces is specific to depression and anxiety disorders in a large community-based sample of out-patients.MethodAn event-related functional magnetic resonance imaging (fMRI) paradigm was used including angry, fearful, sad, happy and neutral facial expressions. One hundred and eighty-two out-patients (59 depressed, 57 anxiety and 66 co-morbid depression-anxiety) and 56 healthy controls selected from the Netherlands Study of Depression and Anxiety (NESDA) were included in the present study. Whole-brain analyses were conducted. The temporal profile of amygdala activation was also investigated.ResultsFacial expressions activated the amygdala and fusiform gyrus in depressed patients with or without anxiety and in healthy controls, relative to scrambled faces, but this was less evident in patients with anxiety disorders. The response shape of the amygdala did not differ between groups. Depressed patients showed dorsolateral prefrontal cortex (PFC) hyperactivation in response to happy faces compared to healthy controls.ConclusionsWe suggest that stronger frontal activation to happy faces in depressed patients may reflect increased demands on effortful emotion regulation processes triggered by mood-incongruent stimuli. The lack of strong differences in neural activation to negative emotional faces, relative to healthy controls, may be characteristic of the mild-to-moderate severity of illness in this sample and may be indicative of a certain cognitive-emotional processing reserve.
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Yarrow, Ralph. « Performing agency : Body learning, Forum theatre and interactivity as democratic strategy ». Studies in South Asian Film & ; Media 4, no 2 (1 octobre 2012) : 211–26. http://dx.doi.org/10.1386/safm.4.2.211_1.

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This article looks at how applications of Forum theatre process and related approaches in India may operate in terms of activation of particular modes of learning centred in the body. It discusses the body: as context (individual and collective, embedded in social, political, physical and emotional practices); with reference to process (activation, multiplication of kinds of knowing through theatre work); as extended beyond everyday operation and beyond the individual/egoic towards collective experience and action, including co-creativity and ‘rational collective action’. The article explores the operation of forms of embodied learning in Forum practice, with particular reference to the work of Jana Sanskriti, in India.
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Van der Cruijsen, Renske, Renate Buisman, Kayla Green, Sabine Peters et Eveline A. Crone. « Neural responses for evaluating self and mother traits in adolescence depend on mother–adolescent relationships ». Social Cognitive and Affective Neuroscience 14, no 5 (4 avril 2019) : 481–92. http://dx.doi.org/10.1093/scan/nsz023.

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Abstract An important task in adolescence is to achieve autonomy while preserving a positive relationship with parents. Previous fMRI studies showed largely overlapping activation in medial prefrontal cortex (mPFC) for evaluating self and close-other traits but separable activation for self and non-close other. Possibly, more similar mPFC activation reflects closeness or warmth in relationships. We investigated neural indicators of the mother–adolescent relationship in adolescents between 11 and 21 years (N = 143). Mother–adolescent relationship was measured using (i) mothers’ and adolescents’ trait evaluations about each other, (ii) observations of warmth, negativity and emotional support in mother–adolescent conversation and (iii) similarity in adolescents’ neural activation for evaluating self vs mother traits. Results showed relatively more similar mPFC activation in adolescents who evaluated their mothers’ traits more positively, suggesting that this is possibly a neural indicator of mother–adolescent relationship quality. Furthermore, mid-adolescence was characterized by more negative mother–adolescent interaction compared to early and late adolescence. This effect co-occurred with mid-adolescent peaks in dorsal striatum, dorsal anterior cingulate cortex and superior temporal sulcus activation in evaluating traits of self vs mother. These results suggest more negative relationships and stronger self-focus in mid-adolescence.
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Damis, Louis F. « The Role of Implicit Memory in the Development and Recovery from Trauma-Related Disorders ». NeuroSci 3, no 1 (18 janvier 2022) : 63–88. http://dx.doi.org/10.3390/neurosci3010005.

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Post-traumatic Stress Disorder is a chronic condition that occurs following a traumatic experience. Information processing models of PTSD focus on integrating situationally triggered sensory-emotional memories with consciously accessible autobiographical memories. Review of the nature of implicit memory supports the view that sensory-emotional memories are implicit in nature. Dissociation was also found to be associated with the development and severity of PTSD, as well as deficits in autobiographical memory. Moreover, disorganized attachment (DA) was associated with greater degrees of dissociation and PTSD, and like the defining neural activation in PTSD, was found to be associated with basal ganglia activity. In addition, subcortical neuroception of safety promotes a neurophysiological substrate supportive of social engagement and inhibition of fear-based responses. Furthermore, activation of representations of co-created imagined scenes of safety and secure attachment are associated with increases in this neurophysiological substrate. Repeated priming of secure attachment imagery was associated with modification of internal working models of DA along with reductions in dissociation and recovery from complex PTSD. In conclusion, it is posited that adequate recovery from extensive trauma experiences requires more than conscious elaboration of traumatic autobiographical memories and that the application of implicit nonconscious memory modification strategies will facilitate more optimal recovery.
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Dotterer, Hailey L., Rebecca Waller, Tyler C. Hein, Alicia Pardon, Colter Mitchell, Nestor Lopez-Duran, Christopher S. Monk et Luke W. Hyde. « Clarifying the Link Between Amygdala Functioning During Emotion Processing and Antisocial Behaviors Versus Callous-Unemotional Traits Within a Population-Based Community Sample ». Clinical Psychological Science 8, no 5 (16 juillet 2020) : 918–35. http://dx.doi.org/10.1177/2167702620922829.

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Prominent theories suggest that disruptions in amygdala reactivity and connectivity when processing emotional cues are key to the etiology of youth antisocial behavior (AB) and that these associations may be dependent on co-occurring levels of callous-unemotional (CU) traits. We examined the associations among AB, CU traits, and amygdala reactivity and functional connectivity while viewing emotional faces (fearful, angry, sad, happy) in 165 adolescents (46% male; 73.3% African American) from a representative, predominantly low-income community sample. AB was associated with increased amygdala activation in response to all emotions and was associated with greater amygdala reactivity to emotion only at low levels of CU traits. AB and CU traits were also associated with distinct patterns of amygdala connectivity. These findings demonstrate that AB-related deficits in amygdala functioning may extend across all emotions and highlight the need for further research on amygdala connectivity during emotion processing in relation to AB and CU traits within community populations.
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Prochnow, Denise, Sascha Brunheim, Hannes Kossack, Simon B. Eickhoff, Hans J. Markowitsch et Rüdiger J. Seitz. « Anterior and posterior subareas of the dorsolateral frontal cortex in socially relevant decisions based on masked affect expressions ». F1000Research 3 (5 septembre 2014) : 212. http://dx.doi.org/10.12688/f1000research.4734.1.

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Socially-relevant decisions are based on clearly recognizable but also not consciously accessible affective stimuli. We studied the role of the dorsolateral frontal cortex (DLFC) in decision-making on masked affect expressions using functional magnetic resonance imaging. Our paradigm permitted us to capture brain activity during a pre-decision phase when the subjects viewed emotional expressions below the threshold of subjective awareness, and during the decision phase, which was based on verbal descriptions as the choice criterion. Using meta-analytic connectivity modeling, we found that the preparatory phase of the decision was associated with activity in a right-posterior portion of the DLFC featuring co-activations in the left-inferior frontal cortex. During the subsequent decision a right-anterior and more dorsal portion of the DLFC became activated, exhibiting a different co-activation pattern. These results provide evidence for partially independent sub-regions within the DLFC, supporting the notion of dual associative processes in intuitive judgments.
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Prochnow, Denise, Sascha Brunheim, Hannes Kossack, Simon B. Eickhoff, Hans J. Markowitsch et Rüdiger J. Seitz. « Anterior and posterior subareas of the dorsolateral frontal cortex in socially relevant decisions based on masked affect expressions ». F1000Research 3 (20 avril 2015) : 212. http://dx.doi.org/10.12688/f1000research.4734.2.

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Socially-relevant decisions are based on clearly recognizable but also not consciously accessible affective stimuli. We studied the role of the dorsolateral frontal cortex (DLFC) in decision-making on masked affect expressions using functional magnetic resonance imaging. Our paradigm permitted us to capture brain activity during a pre-decision phase when the subjects viewed emotional expressions below the threshold of subjective awareness, and during the decision phase, which was based on verbal descriptions as the choice criterion. Using meta-analytic connectivity modeling, we found that the preparatory phase of the decision was associated with activity in a right-posterior portion of the DLFC featuring co-activations in the left-inferior frontal cortex. During the subsequent decision a right-anterior and more dorsal portion of the DLFC became activated, exhibiting a different co-activation pattern. These results provide evidence for partially independent sub-regions within the DLFC, supporting the notion of dual associative processes in intuitive judgments.
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Prochnow, Denise, Sascha Brunheim, Hannes Kossack, Simon B. Eickhoff, Hans J. Markowitsch et Rüdiger J. Seitz. « Anterior and posterior subareas of the dorsolateral frontal cortex in socially relevant decisions based on masked affect expressions ». F1000Research 3 (9 juillet 2015) : 212. http://dx.doi.org/10.12688/f1000research.4734.3.

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Socially-relevant decisions are based on clearly recognizable but also not consciously accessible affective stimuli. We studied the role of the dorsolateral frontal cortex (DLFC) in decision-making on masked affect expressions using functional magnetic resonance imaging. Our paradigm permitted us to capture brain activity during a pre-decision phase when the subjects viewed emotional expressions below the threshold of subjective awareness, and during the decision phase, which was based on verbal descriptions as the choice criterion. Using meta-analytic connectivity modeling, we found that the preparatory phase of the decision was associated with activity in a right-posterior portion of the DLFC featuring co-activations in the left-inferior frontal cortex. During the subsequent decision a right-anterior and more dorsal portion of the DLFC became activated, exhibiting a different co-activation pattern. These results provide evidence for partially independent sub-regions within the DLFC, supporting the notion of dual associative processes in intuitive judgments.
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Capitão, Liliana P., Jessica Forsyth, Mia A. Thomaidou, Mark D. Condon, Catherine J. Harmer et Philip WJ Burnet. « A single administration of ‘microbial’ D-alanine to healthy volunteers augments reaction to negative emotions : A comparison with D-serine ». Journal of Psychopharmacology 34, no 5 (13 mars 2020) : 557–66. http://dx.doi.org/10.1177/0269881120908904.

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Background: Activation of the glutamate N-methyl-D-aspartate receptor with its co-agonist D-serine has been shown to improve subjective mood in healthy volunteers. D-alanine is another potent N-methyl-D-aspartate receptor co-agonist which arises from the natural breakdown of host gut microbes, and is predominantly sequestered in the pituitary. This may suggest that D-alanine influences the neuroendocrine stress response which may then impact on emotion. Aims: The current study explored the effects of D-serine and D-alanine on emotional processing, cognition and the levels of the stress hormone cortisol in healthy volunteers. Methods: In a double-blind, placebo-controlled randomised study, participants ( n=63) received a single oral dose of either D-serine, D-alanine (60 mg/kg) or placebo and then performed the Emotional Test Battery and N-back task (two hours post-administration) and provided saliva samples at fixed intervals. Results: Subjects administered with D-alanine were faster at identifying facial expressions of fear, surprise and anger, and at categorising negative self-referential words. Participants on D-alanine also showed a trend to recall more words than placebo in a memory task. D-serine did not have any meaningful effects in any of the tasks. Neither amino acid had a significant effect on salivary cortisol or working memory. Conclusion: This study is the first to suggest that D-alanine can modulate emotional cognitive processing after a single dose. The lack of findings for D-serine nevertheless contrasts a previous study, emphasising a need for further investigation to clarify discrepancies. A better understanding of the physiological actions of D-amino acids would be beneficial in evaluating their therapeutic potential.
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Thèses sur le sujet "Emotional co-activation"

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Péronne, Sarah. « Consommation expérientielle contre-hédonique : conceptualisation des mécanismes sous-jacents et proposition d’une typologie de consommateurs ». Electronic Thesis or Diss., Angers, 2024. http://www.theses.fr/2024ANGE0030.

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De nombreux consommateurs s'engagent volontairement dans des expériences douloureuses, communément qualifiées de contre-hédoniques. Cette thèse vise à comprendre les mécanismes qui expliquent et structurent ces expériences, ainsi que les caractéristiques des consommateurs qui y participent. La présente étude adopte une posture d'induction cadrée, permettant d'explorer le terrain avec un cadre théorique et des questions de recherche tout en laissant place à la sérendipité. Une ethnographie multi-cas a été réalisée sur quatre expériences : une course dans la boue, une retraite silencieuse, un séjour de bains glacés et une expérience horrifique. Grâce à une analyse comparative inter-cas, les mécanismes sous-jacents à ces expériences ont été conceptualisés. Les résultats montrent que le succès d'une expérience contre hédonique dépend des stratégies d'adaptation adoptées par les individus pour maintenir un équilibre sensoriel (douleur stimulante sans être intolérable) et ressentir une co-activation d’émotions négatives et positives. Cet équilibre entre les aspects pénibles et plaisants attire les consommateurs et caractérise la consommation expérientielle contre-hédonique. La dimension positive existante incite à reconsidérer le terme contre-hédonique en faveur de bittersweet. Enfin, une typologie de six profils de consommateurs est proposée, mettant en lumière des différences individuelles telles que le niveau de stimulation optimal, les motivations personnelles et la perception de la douleur. La recherche présente des contributions théoriques, des préconisations managériales et une réflexion méthodologique notamment sur la conduite d'une ethnographie en contextes extrêmes
Many consumers voluntarily engage in painful experiences, commonly referred to as counter-hedonic. This thesis aims to understand the mechanisms that explain and structure these experiences, as well as the characteristics of the consumers who take part in them. The present study adopts a framed induction posture, allowing the field to be explored with a theoretical framework and research questions while leaving room for serendipity. A multi-case ethnography was carried out on four experiences: a mud run, a silent retreat, an ice bath sojourn and a horrific experience. Using inter-case comparative analysis, the mechanisms underlying these experiences were conceptualized. The results show that the success of a counter hedonic experience depends on the coping strategies adopted by individuals to maintain a sensory balance (stimulating pain without being intolerable) and experience a co-activation of negative and positive emotions. This balance between unpleasant and pleasant aspects attracts consumers and characterizes counter-hedonic experiential consumption. The existing positive dimension prompts us to reconsider the term counter-hedonic in favor of bittersweet. Finally, a typology of six consumer profiles is proposed, highlighting individual differences such as optimal stimulation level, personal motivations and perception of pain. The research presents theoretical contributions, managerial recommendations and methodological reflections, notably on the conduct of ethnography in extreme contexts
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Chapitres de livres sur le sujet "Emotional co-activation"

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Tirtha Prasad, Mukhopadhyay, et Perez Armando. « Emotive Quality Transformations in Music : The Psychoaesthetics of Emotion Polarization ». Dans The Healing Power of Music Therapy and Art [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110290.

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The author investigates if musical modes have definitive emotive contents and following this, if certain modes have affective potentials that are targeted and specific to forms of appraisal. Do certain note clusters occupy emotive loops in accordance with certain basic emotion types - and so what may be, therefore, the general rule for valence appraisals of basic emotions activated by targeted note clusters. The co-existence of connectionist circuits or engram activation routes would have to be conjectured. Finally, a multidisciplinary approach shows us that a new pattern of a psychoaesthetic valence-aggrandized happy or positive version of emotions would have to be considered. There is no such existing proposal for a ‘version’ theory of basic emotions. We propose that a psychoaesthetic version of basic emotions exists. Next, we also defend the possibility of polarization of emotions through entrainment. Music may have the ability not just to evoke any given emotional state or state of feelings in the psychoaesthetic spectrum but also to polarize basic emotions to create a value-added experience. Conclusions from the discussion suggest that music appraisals may have far-reaching implications for the understanding of the ontological quality of music and its relations to well-being and mental health.
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Rice, Frances, Shiri Davidovich et Sandra Dunsmuir. « Emotion Regulation and Depression ». Dans Emotion Regulation and Psychopathology in Children and Adolescents, sous la direction de Cecilia A. Essau, Sara Leblanc et Thomas H. Ollendick, 171–95. Oxford University Press, 2017. http://dx.doi.org/10.1093/med:psych/9780198765844.003.0009.

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Chapter 9 delineates the symptomology, epidemiology and risk factors associated with depression in children and adolescents. Youth depression involves an assemblage of co-occurring symptoms causing impairment and dysfunction across school, interpersonal relationships, and extracurricular activities. Core diagnostic features of depressive disorders include: depressed mood, loss of interest or pleasure in activities and decreased energy. Depressed youth demonstrate deficits in processing emotional material, which deleteriously impacts regulatory efforts. These impairments include low levels of bias for positive information. Until recently CBT was considered the gold-standard treatment for depression; however, research demonstrates there is limited quality evidence to suggest one treatment modality offers a preferred approach. Thus, interventions should consider the child’s age, cognitive competency, and educational experience when determining treatment options. A novel intervention with auspicious, preliminary findings is Thinking about Reward in Young People (TRY), which incorporates CBT and behavioral activation, with an emphasis on increasing reward-processing.
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Kirsch, Dylan E., Valeria Tretyak,, Stephen M. Strakowski, et Elizabeth T. C. Lippard. « Functional brain imaging in bipolar disorder ». Dans The Bipolar Brain, 39–60. Oxford University Press, 2022. http://dx.doi.org/10.1093/med/9780197574522.003.0003.

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Functional activation studies have the power to inform our understanding of the neurobiological mechanisms underlying bipolar disorder. A better understanding of the neural correlates of affective lability, reward sensitivity, and disruptions in executive function—characteristic traits of bipolar disorder—can inform development of novel intervention strategies and improve upon existing pharmacological and behavioral treatment approaches. This chapter provides an overview of what we know from functional activation studies of emotion regulation, reward processing, and executive functioning in bipolar disorder. To date, findings converge to suggest differences from healthy subjects in activation across frontal, limbic, and striatal regions. Hyperactivation in limbic structures may be a trait-based feature of bipolar disorder and may, at least in part, be associated with decreased engagement in frontal regions, although specific activation patterns vary across mood states and differ depending on sample demographics and experimental paradigms. Longitudinal treatment studies have also shown prospective changes in activation patterns following pharmacological intervention. Findings highlight the need for larger longitudinal studies that combine assessment of both neural structure and function and have adequate power to examine how findings may be influenced by differing medication regimens, mood states, bipolar subtypes (bipolar type I, II, not otherwise specified), and the presence of co-occurring mental health conditions such as substance use disorders, attention-deficit hyperactivity disorder, anxiety, and history of early life trauma.
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Actes de conférences sur le sujet "Emotional co-activation"

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Cao, Yuan. « A Study on Emotional Memory Activation in Art Product Design from the Perspective of Customer Co-production ». Dans 2021 2nd International Conference on Intelligent Design (ICID). IEEE, 2021. http://dx.doi.org/10.1109/icid54526.2021.00068.

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Gabriela Gómez Ochoa, Noemí, Patricia Margarita Ortega Chasi, Martha Cobos, Omar Alvarado et Karla Andrade. « Validation of affective images of the IAPS set in children ». Dans 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003012.

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Emotions, in the field of Neuropsychology, are a topic of contemporary relevance due to the impact they have on a person's development. At the brain level, emotions arise from the activation of brain circuits in response to stimuli. Treatments have focused on traditional psychological intervention, which today, thanks to technological advances, includes the use of technology, so it is necessary to have available material that has been validated and standardized in the area where it is to be used, which is the subject of this study. The validation of 16 affective images from the International Affective Picture System (IAPS) set was carried out with the participation of 223 children between 6 and 8 years of age from a private, co-educational educational institution in Cuenca, Ecuador applying validation processes followed in other countries, adjusted to our context. The children's emotional responses were similar to those of the original test according to the statistical tests applied.
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