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Journal articles on the topic 'Volume and accuracy of visual memory'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

РОДІНА, Катерина Миколаївна. "ХАРАКТЕРИСТИКА ОБРАЗНОЇ ПАМ'ЯТІ В ЮНАКІВ ІЗ РІЗНИМ РІВНЕМ ЗДАТНОСТІ ДО ІМАГІНАЦІЇ". Психологія і особистість 2, № 12 (2017): 149–58. https://doi.org/10.5281/zenodo.853445.

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The article presents an analysis of the concepts of the ability to imagination, visual memory and investigates the relationship between them. Levels of the ability to make imaginations in adolescence are revealed. It is shown that a high level of imagination ability is characterized by a high level of involuntary memorization, selectivity, completeness and accuracy of memorization of visual material.

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Zvyagina, E. V. "Estimation of the volume of different types of memory of young water polo athletes." Physical Culture Sport Tourism Motor Recreation 8, no. 4 (2023): 84–89. http://dx.doi.org/10.47475/2500-0365-2023-8-4-84-89.

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Relevance. Is determined by the possibility of assessment of parametric indicators of memory as a polymodal cognitive, cognitive process in young athletes engaged in playing sports — water polo depending on the sports period. Aim to estimate the amount of different types of memory of young water poles in competition period. Research materials and methods. There were applied blank verbalized, visualized methods of assessment of memory parameters, methods of indirect memory: memory on numbers (auditory, visual); pictograms, motor range. Results and discussion. Volumetric indicators of auditory,

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Bielova, Olena. "The state of auditory-verbal memory development in children with speech disorders." Actual problems of the correctional education (pedagogical sciences) 20 (December 30, 2022): 5–14. http://dx.doi.org/10.32626/2413-2578.2022-20.5-14.

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The article reveals the peculiarities of the development of auditory-verbal memory in older preschool children with speech disorders. The purpose of the study is to study the current state of auditory-verbal memory development in older preschool children with speech disorders. The task of the research: coverage of the theoretical analysis of scientific and conceptual provisions, both classical and modern studies regarding the problem of study; to determine methods for researching the components of auditory memory (reproduction sequence, volume, strength of information retention, speed, accurac

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HE, LIQIANG, GUANGYONG ZHANG, and YANYAN ZHANG. "SPEEDING UP BEST NEIGHBORHOOD MATCHING ALGORITHM FOR HIGH-DEFINITION IMAGE ON GPU PLATFORM." International Journal of Image and Graphics 11, no. 03 (2011): 315–37. http://dx.doi.org/10.1142/s0219467811004196.

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Error concealment restores the visual integrity of image content that has been damaged due to a bad network transmission. Best neighborhood matching (BNM) is an effective image-recovery method that exploits the information redundancy in a block-coded broken image to find similar content that it then uses to repair or conceal errors. On a high-definition image, BNM is traditionally implemented sequentially, which requires a relatively long time and thus is not suitable for real-time or high-volume use. In this paper, we analyze the data access patterns of the BNM algorithm, and exploit a graphi

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Peel, Tyler R., Kevin Johnston, Stephen G. Lomber, and Brian D. Corneil. "Bilateral saccadic deficits following large and reversible inactivation of unilateral frontal eye field." Journal of Neurophysiology 111, no. 2 (2014): 415–33. http://dx.doi.org/10.1152/jn.00398.2013.

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Inactivation permits direct assessment of the functional contribution of a given brain area to behavior. Previous inactivation studies of the frontal eye field (FEF) have either used large permanent ablations or reversible pharmacological techniques that only inactivate a small volume of tissue. Here we evaluated the impact of large, yet reversible, FEF inactivation on visually guided, delayed, and memory-guided saccades, using cryoloops implanted in the arcuate sulcus. While FEF inactivation produced the expected triad of contralateral saccadic deficits (increased reaction time, decreased acc

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Du, Xinran, Shumeng He, Houqun Yang, and Chunxiao Wang. "Multi-Field Context Fusion Network for Semantic Segmentation of High-Spatial-Resolution Remote Sensing Images." Remote Sensing 14, no. 22 (2022): 5830. http://dx.doi.org/10.3390/rs14225830.

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High spatial resolution (HSR) remote sensing images have a wide range of application prospects in the fields of urban planning, agricultural planning and military training. Therefore, the research on the semantic segmentation of remote sensing images becomes extremely important. However, large data volume and the complex background of HSR remote sensing images put great pressure on the algorithm efficiency. Although the pressure on the GPU can be relieved by down-sampling the image or cropping it into small patches for separate processing, the loss of local details or global contextual informa

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Bielova, O. B. "Intellectual functionality of speech in children of older preschool age with logopathology." CHILD`S HEALTH 19, no. 3 (2024): 140–46. http://dx.doi.org/10.22141/2224-0551.19.3.2024.1692.

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Background. The purpose of this study is to identify the current state of intellectual functioning, which affects the speech readiness to study at school, of older preschool children with logopathology. The study included 607 older preschool children (5–6 years old), 250 with normotypical psychophysical development and 357 with speech disorders (dyslalia, stuttering, rhinolalia, dysarthria). Materials and methods. To evaluate the intellectual functioning of older preschool children with logopathology, methods were developed aimed at studying visual-motor coordination, auditory-verbal memory, v

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Bryniarska, Anna, José A. Ramos, and Mercedes Fernández. "Machine Learning Classification of Event-Related Brain Potentials during a Visual Go/NoGo Task." Entropy 26, no. 3 (2024): 220. http://dx.doi.org/10.3390/e26030220.

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Machine learning (ML) methods are increasingly being applied to analyze biological signals. For example, ML methods have been successfully applied to the human electroencephalogram (EEG) to classify neural signals as pathological or non-pathological and to predict working memory performance in healthy and psychiatric patients. ML approaches can quickly process large volumes of data to reveal patterns that may be missed by humans. This study investigated the accuracy of ML methods at classifying the brain’s electrical activity to cognitive events, i.e., event-related brain potentials (ERPs). ER

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Desai, Sharmishta Suhas, and S. T. Patil. "Big Data Classification Using Distributed Optimized Hoeffding Trees." Journal of Machine Intelligence 2, no. 1 (2017): 14–20. http://dx.doi.org/10.21174/jomi.v2i1.101.

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Large usage of social media, online shopping or transactions gives birth to voluminous data. Visual representation and analysis of this large amount of data is one of the major research topics today. As this data is changing over the period of time, we need an approach which will take care of velocity of data as well as volume and variety. In this paper, author has proposed a distributed method which will handle three dimensions of data and gives good results as compared to other method. Traditional algorithms are based on global optima which are basically memory resident programs. Our approac

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Smirnova, A. A., L. N. Prakhova, A. G. Ilves, et al. "Neuropsychological and morphometric biomarkers of poor prognosis in patients with mild cognitive impairment." Russian neurological journal 26, no. 6 (2022): 4–15. http://dx.doi.org/10.30629/2658-7947-2021-26-6-4-15.

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Abstract. Despite a high prevalence of mild cognitive impairment (MCI), there are no accepted algorithms of diff erentiating the syndrome and the prognosis evaluation of later cognitive decline at this time. Objective. To identify biomarkers of poor prognosis in the various MCI types by optimizing neuropsychological examination in combination with MRI morphometry of brain structures. Patients and methods. We examined 45 patients (9 men, 36 women, mean age 72 ± 6.7 years) with MCI according to the modifi ed Petersen’s criteria and the DSM-5 criteria. All patients underwent the MMSE scale, the D

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Ayub, Shahanaz, R. Jagadeesh Kannan, Shitharth S, Raed Alsini, Tawfiq Hasanin, and Choragudi Sasidhar. "LSTM-Based RNN Framework to Remove Motion Artifacts in Dynamic Multicontrast MR Images with Registration Model." Wireless Communications and Mobile Computing 2022 (May 4, 2022): 1–12. http://dx.doi.org/10.1155/2022/5906877.

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Today, many people under the age of 10 are being examined for brain-related issues, including tumours, without displaying any symptoms. It is not unusual for children to develop brain-related concerns such as tumours and central nervous system disorders, which may affect 15% of the population. Medical experts believe that the irregular eating habits (junk food) and the consumption of pesticide-tainted fruits and vegetables are to blame. The human body is naturally resistant to harmful gears, but only up to a point. If it exceeds the limit, a cell manipulation process is automatically initiated

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Korobeynikov, Georgiy, Lesia Korobeinikova, Markus Raab, et al. "Cognitive functions and special working capacity in elite boxers." Pedagogy of Physical Culture and Sports 27, no. 1 (2023): 84–90. http://dx.doi.org/10.15561/26649837.2023.0110.

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Background and Study Aim. In the basis of the boxer's power qualities is the ability to perceive and process external information. Therefore, in order to ensure the proper training of qualified boxers, there is a need to monitor the functional state of the boxer’s organism. The relationship between cognitive functions and special working capacity of elite boxers were studied. Material and Methods. The level of special working capacity was studied by the test of punching a boxer for 8 s at maximum speed. Cognitive functions (verbal and nonverbal intelligence, and word memory) were studied

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J Hima Bindu. "Deriving Efficient 3D U-Net Based Segmented Anomaly Detection and Classification in 3D MRI Images Using ConvLSTM Model and Shuffled Frog Leaping Algorithm." Journal of Information Systems Engineering and Management 10, no. 16s (2025): 219–37. https://doi.org/10.52783/jisem.v10i16s.2591.

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Anomaly detection relates to the difficulty of detecting anomalous inputs from seen samples of standard data. Despite recent advances in deep learning for detecting visual anomalies, these algorithms are still incapable of deciphering complex images like those encountered in the medical business. Medical imaging is essential for diagnosing and treating a vast array of conditions, including anomalies detected in 3D Magnetic Resonance Imaging (MRI) data. The dependable and accurate detection and classification of anomalies within volumetric MRI scans remain challenging for the medical industry.

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Pozdeeva, Elena A. "Coordination training of construction students as the basis for increasing psychophysical readiness for the profession." Vestnik Tomskogo gosudarstvennogo universiteta, no. 503 (2024): 201–8. https://doi.org/10.17223/15617793/503/20.

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A review of dissertation research devoted to professional applied physical training of civil engineering students showed that there are issues that require additional research. Today, the requirements for the civil engineer profession have been significantly updated; the mental and intellectual load on a specialist has increased; the decrease in students’ motivation to engage in basic sports requires the development of new pedagogical technologies. It is necessary to introduce methods and means into students’ physical education that contribute to the associated formation of a specialist’s phys

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MARTIN, ROY C., JAMES W. HUGG, DAVID L. ROTH, et al. "MRI extrahippocampal volumes and visual memory: Correlations independent of MRI hippocampal volumes in temporal lobe epilepsy patients." Journal of the International Neuropsychological Society 5, no. 6 (1999): 540–48. http://dx.doi.org/10.1017/s1355617799566083.

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Limbic system atrophy and memory dysfunction are common in patients with temporal lobe epilepsy (TLE). However, the relationship between extrahippocampal limbic structures and memory functioning within TLE has received little attention. The present study examined associations of MRI volumetric measurements of the mammillary body, fornix, amygdala, and hippocampus to measures of episodic verbal and visual memory. The Logical Memory and Visual Reproduction subtests from the Wechsler Memory Scale were administered to 47 unilateral TLE patients (25 right, 22 left). Normalized right and left MRI vo

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Zammit, Andrea R., Ali Ezzati, Mindy J. Katz, et al. "The association of visual memory with hippocampal volume." PLOS ONE 12, no. 11 (2017): e0187851. http://dx.doi.org/10.1371/journal.pone.0187851.

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Tsigichko, Elena, and Elena Kagan. "Cognitive Functions in Young Adolescence: Features, Interconnections, and Gender Differences." Bulletin of Kemerovo State University. Series: Humanities and Social Sciences 2023, no. 3 (2023): 259–66. http://dx.doi.org/10.21603/2542-1840-2023-7-3-259-266.

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The research featured the development of cognitive gender-related functions in teenagers. It covered statistically significant differences in such indicators as establishing analogies, visual memory volume, and attention span. The indicators of mental operations and memory volume proved to be interconnected, as well as the indicators of mental operations and attention properties. The male group demonstrated direct connections between visual memory volume and the abilities to compare and contrast abstract notions and continue numerical series. Auditory short-term memory volume depended on the a

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Zhang, Li, Xuemei Ran, Ting Li, et al. "Analysis of influencing factors of visual working memory in young adult patients with schizophrenia." General Psychiatry 31, no. 3 (2018): e100036. http://dx.doi.org/10.1136/gpsych-2018-100036.

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BackgroundPatients with schizophrenia have general cognitive impairments, and the impairment of working memory is considered to be the basis of cognitive impairments. The research on visual working memory, one of the subcomponents, is getting more and more attention. However, the influencing factors which cause the deficits of visual working memory in patients with schizophrenia have not been clearly explained. To provide evidence for cognitive impairment interventions, the present study explored the factors influencing the deficits of patients’ visual working memory.AimThe present study discu

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Grikšienė, Ramunė, Rimante Gaizauskaite, Indre Pretkelyte, and Markus Hausmann. "Lateral Bias in Visual Working Memory." Symmetry 14, no. 12 (2022): 2509. http://dx.doi.org/10.3390/sym14122509.

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The present study aimed to evaluate functional cerebral asymmetries of visual working memory (VWM) in relation to language lateralization. The bilateral change detection paradigm with capital letters as stimuli and the translingual lexical decision task were used to assess VWM and language asymmetry, respectively, in a sample of 99 younger healthy participants (59 women). Participant attention was cued towards right or left visual half-field. For the VWM task, men and women were more accurate and faster when stimuli were presented in the right visual half-field compared to the left visual half

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Морозова, Ирина Станиславовна, and Елена Александровна Цигичко. "Integral characteristics of memory in boys and girls in early adolescence: correlations of indicators, gender differences." Pedagogical Review, no. 6(52) (December 22, 2023): 172–85. http://dx.doi.org/10.23951/2307-6127-2023-6-172-185.

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Цель исследования – определение специфики объема как интегральной характеристики памяти младших подростков с учетом гендерной принадлежности. Предмет – особенности развития объема различных видов памяти у мальчиков и девочек младшего подросткового возраста. Проанализированы теоретические положения, описывающие специфику проявления процессов памяти в научной литературе, описаны особенности объема памяти у мальчиков и девочек в младшем подростковом возрасте. Определены значимые различия в объеме зрительной опосредованной памяти на выборке мальчиков и девочек. Описаны более выраженные показатели

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NISHIYAMA, Megumi, and Jun KAWAGUCHI. "Does visual long-term memory improve change detection accuracy?" Proceedings of the Annual Convention of the Japanese Psychological Association 76 (September 11, 2012): 1PMA03. http://dx.doi.org/10.4992/pacjpa.76.0_1pma03.

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Huwailah, Amsal Hadi, and Masad Naghah Abu Al Diyar. "Phonological awareness and spatial visual memory among sample of dyslexic children." Journal of Arts and Social Sciences [JASS] 8, no. 2 (2017): 59. http://dx.doi.org/10.24200/jass.vol8iss2pp59-79.

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This study aims to identify the relationship between phonological awareness and spatial visual memory, as well as, to detect the differences between Kuwaiti males and females and non-Kuwaitis with regard to reading learning difficulties in certain variables. The study adopts a comparative descriptive approach and uses sample of 350 primary students (3-5 grades) with reading learning difficulties (200 males and 150 females) Kuwaitis and non-Kuwaitis. Their ages ranged between 8- 10 years. Phonological awareness test and spatial visual memory test are applied. The findings of the study show that

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Huwailah, Amsal Hadi, and Masad Naghah Abu Al Diyar. "Phonological awareness and spatial visual memory among sample of dyslexic children." Journal of Arts and Social Sciences [JASS] 8, no. 2 (2017): 59–79. http://dx.doi.org/10.53542/jass.v8i2.2295.

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This study aims to identify the relationship between phonological awareness and spatial visual memory, as well as, to detect the differences between Kuwaiti males and females and non-Kuwaitis with regard to reading learning difficulties in certain variables. The study adopts a comparative descriptive approach and uses sample of 350 primary students (3-5 grades) with reading learning difficulties (200 males and 150 females) Kuwaitis and non-Kuwaitis. Their ages ranged between 8- 10 years. Phonological awareness test and spatial visual memory test are applied. The findings of the study show that

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Guo, Ting, Yanna Ren, Yinghua Yu, et al. "Improving Visual Working Memory With Training on a Tactile Orientation Sequence Task in Humans." SAGE Open 11, no. 3 (2021): 215824402110315. http://dx.doi.org/10.1177/21582440211031549.

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Working memory refers to the cognitive capacity to temporarily store and manipulate information from multiple sensory domains. Recent studies have shown that cognitive training can improve performance in both visual working memory and tactile working memory tasks. However, it is still unclear whether the effects of training can be transferred from one sensory modality to another. The current study assessed whether the training effect of the tactile orientation sequence task could transfer to visual orientation sequence and visuospatial working memory tasks. The results showed that participants

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Marks, David F. "Stronger Short-Term Memory, Larger Hippocampi and Area V1 in People with High VVIQ Scores." Vision 9, no. 3 (2025): 53. https://doi.org/10.3390/vision9030053.

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Reports of individual differences in vividness of visual mental imagery (VMI) scores raise complex questions: Are Vividness of Visual Imagery Questionnaire (VVIQ) score differences actually measuring anything? What functions do these differences serve? What is their neurological foundation? A new analysis examined visual short-term memory (VSTM) and volumes of the hippocampi, primary visual cortices, and other cortical regions among vivid and non-vivid visual imagers. In a sample of 53 volunteers aged 54 to 80 with MRI scans, the performance of ten Low VVIQ scorers was compared to that of ten

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Dimond, Dennis, Rebecca Perry, Giuseppe Iaria, and Signe Bray. "Visuospatial short-term memory and dorsal visual gray matter volume." Cortex 113 (April 2019): 184–90. http://dx.doi.org/10.1016/j.cortex.2018.12.007.

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Busch, Robyn M., Jessica S. Chapin, Gopalan Umashankar, et al. "Poor presurgical performance on both verbal and visual memory measures is associated with low risk for memory decline following left temporal lobectomy for intractable epilepsy." Epileptic Disorders 10, no. 3 (2008): 199–205. http://dx.doi.org/10.1684/epd.2008.0199.

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ABSTRACT Studies have shown a lower risk for verbal memory decline following dominant anterior temporal lobectomy (ATL) among patients with poor, presurgical verbal memory scores. It is unclear however, if the risk of decline is increased in patients who also have reduced visual memory. Objective and subjective memory outcome following left ATL was examined in twelve patients with reduced presurgical visual and verbal memory scores. Only one patient demonstrated a meaningful decline in memory scores, with a decline in visual memory following surgery. Presurgically, this patient demonstrated po

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Koenig, Katherine A., Stephen M. Rao, Mark J. Lowe, et al. "The role of the thalamus and hippocampus in episodic memory performance in patients with multiple sclerosis." Multiple Sclerosis Journal 25, no. 4 (2018): 574–84. http://dx.doi.org/10.1177/1352458518760716.

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Background: Episodic memory loss is one of the most common cognitive symptoms in patients with multiple sclerosis (MS), but the pathophysiology of this symptom remains unclear. Both the hippocampus and thalamus have been implicated in episodic memory and show regional atrophy in patients with MS. Objective: In this work, we used functional magnetic resonance imaging (fMRI) during a verbal episodic memory task, lesion load, and volumetric measures of the hippocampus and thalamus to assess the relative contributions to verbal and visual–spatial episodic memory. Methods: Functional activation, le

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Hickie, Ian, Sharon Naismith, Philip B. Ward, et al. "Reduced hippocampal volumes and memory loss in patients with early- and late-onset depression." British Journal of Psychiatry 186, no. 3 (2005): 197–202. http://dx.doi.org/10.1192/bjp.186.3.197.

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BackgroundHippocampal volume reduction has been reported inconsistently in people with major depression.AimsTo evaluate the interrelationships between hippocampal volumes, memory and key clinical, vascular and genetic risk factors.MethodTotals of 66 people with depression and 20 control participants underwent magnetic resonance imaging and clinical assessment. Measures of depression severity, psychomotor retardation, verbal and visual memory and vascular and specific genetic risk factors were collected.ResultsReduced hippocampal volumes occurred in older people with depression, those with both

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Sapkota, Raju P., Shahina Pardhan, and Ian van der Linde. "Change Detection in Visual Short-Term Memory." Experimental Psychology 62, no. 4 (2015): 232–39. http://dx.doi.org/10.1027/1618-3169/a000294.

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Abstract. Numerous kinds of visual event challenge our ability to keep track of the objects that populate our visual environment from moment to moment. These include blinks, occlusion, shifting visual attention, and changes to object’s visual and spatial properties over time. These visual events may lead to objects falling out of our visual awareness, but can also lead to unnoticed changes, such as undetected object replacements and positional exchanges. Current visual memory models do not predict which visual changes are likely to be the most difficult to detect. We examine the accuracy with

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Budiša, Dajana, Ajla Halilović, Ljiljana Jovanović, Nedeljka Prole, and Svetlana Borojević. "DEPRESIVNOSTI VIZUELNO PAMĆENJE SPECIFIČNIH STIMULUSA (EMOTIKONA)." ГОДИШЊАК ЗА ПСИХОЛОГИЈУ 18, no. 1 (2021): 89–105. http://dx.doi.org/10.46630/gpsi.18.2021.06.

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Depression is a state of reduced psychophysical activity that is accompanied by various changes in cognitive, emotional and social functioning. Previous studies have found that depression leads to changes in the recognition of the emotions of others, makes it difficult to direct attention and significantly impairs visual memory. The main goal of this research is to examine the relations between depressive symptoms and visual memory of specific stimuli that show emotions. We also want to examine whether the intensity of depressive symptoms is related to longer reaction time in the experimental

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Nittrouer, Susan, and Joanna H. Lowenstein. "Beyond Recognition: Visual Contributions to Verbal Working Memory." Journal of Speech, Language, and Hearing Research 65, no. 1 (2022): 253–73. http://dx.doi.org/10.1044/2021_jslhr-21-00177.

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Purpose: It is well recognized that adding the visual to the acoustic speech signal improves recognition when the acoustic signal is degraded, but how that visual signal affects postrecognition processes is not so well understood. This study was designed to further elucidate the relationships among auditory and visual codes in working memory, a postrecognition process. Design: In a main experiment, 80 young adults with normal hearing were tested using an immediate serial recall paradigm. Three types of signals were presented (unprocessed speech, vocoded speech, and environmental sounds) in thr

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Raidy, Desiree J., and Lauren F. V. Scharff. "Effects of Sleep Deprivation on Auditory and Visual Memory Tasks." Perceptual and Motor Skills 101, no. 2 (2005): 451–67. http://dx.doi.org/10.2466/pms.101.2.451-467.

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Probe recognition tasks have shown the effects of sleep deprivation following a full night of sleep loss. The current study investigated shorter durations of deprivation by testing 11 subjects for accuracy and response time every 2 hr. from 10 p.m. through 8 a.m. We replicated Elkin and Murray's auditory single-probe recognition task using the number triplets and added two visual tasks with number and shape triplets. Series of six stimuli were each followed by a probe, which was presented after 2.5 sec. as a short delay or 20 sec. as a long delay. Accuracy performance showed a significant decr

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Nestor, Paul G., Mayte Forte, Toshiyuki Ohtani, et al. "Faulty Executive Attention and Memory Interactions in Schizophrenia: Prefrontal Gray Matter Volume and Neuropsychological Impairment." Clinical EEG and Neuroscience 51, no. 4 (2019): 267–74. http://dx.doi.org/10.1177/1550059419881529.

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We hypothesized that neuropsychological disturbance in schizophrenia (SZ) may reflect faulty interactions of executive attention and episodic memory, emanating, in part, from reduced prefrontal cortex (PFC) gray matter volume. Participants with SZ (n = 84) and age-matched (n = 77) controls completed both the Wisconsin Card Sorting Test (WCST) and the Wechsler Memory Scale–Third Edition (WMS-III), used, respectively, as measures of executive attention and episodic memory. A subset of SZ (n = 27) and control (n = 17) groups also had available 3-T magnetic resonance imaging (MRI) studies of the P

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Butler, Tracy, Karen Blackmon, Laszlo Zaborszky, et al. "Volume of the Human Septal Forebrain Region Is a Predictor of Source Memory Accuracy." Journal of the International Neuropsychological Society 18, no. 1 (2011): 157–61. http://dx.doi.org/10.1017/s1355617711001421.

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AbstractSeptal nuclei, components of basal forebrain, are strongly and reciprocally connected with hippocampus, and have been shown in animals to play a critical role in memory. In humans, the septal forebrain has received little attention. To examine the role of human septal forebrain in memory, we acquired high-resolution magnetic resonance imaging scans from 25 healthy subjects and calculated septal forebrain volume using recently developed probabilistic cytoarchitectonic maps. We indexed memory with the California Verbal Learning Test-II. Linear regression showed that bilateral septal fore

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Cheng, Li, Xuemin Zheng, Mingxin Zhao, et al. "SiamMixer: A Lightweight and Hardware-Friendly Visual Object-Tracking Network." Sensors 22, no. 4 (2022): 1585. http://dx.doi.org/10.3390/s22041585.

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Siamese networks have been extensively studied in recent years. Most of the previous research focuses on improving accuracy, while merely a few recognize the necessity of reducing parameter redundancy and computation load. Even less work has been done to optimize the runtime memory cost when designing networks, making the Siamese-network-based tracker difficult to deploy on edge devices. In this paper, we present SiamMixer, a lightweight and hardware-friendly visual object-tracking network. It uses patch-by-patch inference to reduce memory use in shallow layers, where each small image region i

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WOODWARD, STEVEN H., DANNY G. KALOUPEK, LAURA J. GRANDE, et al. "Hippocampal volume and declarative memory function in combat-related PTSD." Journal of the International Neuropsychological Society 15, no. 6 (2009): 830–39. http://dx.doi.org/10.1017/s1355617709990476.

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AbstractThe proposition that declarative memory deficits are systematically related to smaller hippocampal volume was tested in a relatively large sample (n = 95) of U.S. military veterans with and without combat-related posttraumatic stress disorder. This correlative analysis was extended by including multiple measures of verbal and visual declarative memory and multiple memory-relevant regional brain volumes that had been shown to exhibit main effects of PTSD in prior work. Small-to-moderate effects were observed on verbal declarative memory in line with a recent meta-analysis; nevertheless,

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He, Yang, Zhihua Guo, Xinlu Wang, et al. "Effects of Audiovisual Interactions on Working Memory Task Performance—Interference or Facilitation." Brain Sciences 12, no. 7 (2022): 886. http://dx.doi.org/10.3390/brainsci12070886.

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(1) Background: The combined n-back + Go/NoGo paradigm was used to investigate whether audiovisual interactions interfere with or facilitate WM. (2) Methods: College students were randomly assigned to perform the working memory task based on either a single (visual or auditory) or dual (audiovisual) stimulus. Reaction times, accuracy, and WM performance were compared across the two groups to investigate effects of audiovisual interactions. (3) Results: With low cognitive load (2-back), auditory stimuli had no effect on visual working memory, whereas visual stimuli had a small effect on auditor

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Wiltshire, Imogen, and Fransiska Louwagie. "Introduction Displacement, Memory and the Visual Arts." European Judaism 56, no. 1 (2023): 1–21. http://dx.doi.org/10.3167/ej.2023.560102.

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Abstract This introduction explains the origins, aims and scope of this thematic issue on Displacement, Memory and the Visual Arts: Second-Generation (Jewish) Artists, which builds on a symposium held at the University of Leicester in May 2021. It offers a discussion of key perspectives on the notions of ‘second generation’ and ‘postmemory’ within the visual arts, followed by an overview of the contributions to the publication. The article then identifies and analyses a number of key threads and themes in the volume, including issues of belated memory, the uses by artists of archival images an

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Kozlov, K. S., and E. S. Gorbunova. "Object working memory load and perceptual similarity in visual search for multiple targets." Experimental Psychology (Russia) 12, no. 3 (2019): 119–34. http://dx.doi.org/10.17759/exppsy.2019120309.

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Subsequent search misses can occur during visual search for several targets. SSM is a decrease in accuracy at finding a second target after successful detection of a first one. Two experiments investigated the effect of object working memory load, target stimuli similarity and the similarity of stimuli in visual search task and working memory tasks on the SSM. It was found that targets perceptual similarity is significant, as well as memory load in case of working memory task and visual search task stimuli similarity. In addition, we found a significant interaction between working memory load

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Dwyer, Catherine, and Beryl E. McKenzie. "Impairment of Visual Memory in Children Who Are Clumsy." Adapted Physical Activity Quarterly 11, no. 2 (1994): 179–89. http://dx.doi.org/10.1123/apaq.11.2.179.

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In order to evaluate the contribution of visual memory to problems in the development of motor coordination, 9- to 13-year-old boys who were clumsy were tested on a graphic reproduction task under two delay conditions. Their performances were compared with those of control children. Individual geometric patterns were presented as a whole or sequentially, and children reproduced these patterns immediately after the inspection period or after a delay of 15 s. There was no difference in the accuracy of the reproductions of the two groups on immediate recall. After the 15-s delay, the reproduction

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Chow, John W., and Dobrivoje S. Stokic. "Improvements in force variability and structure from vision- to memory-guided submaximal isometric knee extension in subacute stroke." Journal of Applied Physiology 124, no. 3 (2018): 592–603. http://dx.doi.org/10.1152/japplphysiol.00717.2017.

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We examined changes in variability, accuracy, frequency composition, and temporal regularity of force signal from vision-guided to memory-guided force-matching tasks in 17 subacute stroke and 17 age-matched healthy subjects. Subjects performed a unilateral isometric knee extension at 10, 30, and 50% of peak torque [maximum voluntary contraction (MVC)] for 10 s (3 trials each). Visual feedback was removed at the 5-s mark in the first two trials (feedback withdrawal), and 30 s after the second trial the subjects were asked to produce the target force without visual feedback (force recall). The c

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Aladem, Mohamed, and Samir Rawashdeh. "Lightweight Visual Odometry for Autonomous Mobile Robots." Sensors 18, no. 9 (2018): 2837. http://dx.doi.org/10.3390/s18092837.

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Vision-based motion estimation is an effective means for mobile robot localization and is often used in conjunction with other sensors for navigation and path planning. This paper presents a low-overhead real-time ego-motion estimation (visual odometry) system based on either a stereo or RGB-D sensor. The algorithm’s accuracy outperforms typical frame-to-frame approaches by maintaining a limited local map, while requiring significantly less memory and computational power in contrast to using global maps common in full visual SLAM methods. The algorithm is evaluated on common publicly available

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FJELL, ANDERS M., KRISTINE B. WALHOVD, IVAR REINVANG, et al. "Age does not increase rate of forgetting over weeks—Neuroanatomical volumes and visual memory across the adult life-span." Journal of the International Neuropsychological Society 11, no. 1 (2005): 2–15. http://dx.doi.org/10.1017/s1355617705050046.

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The aim of the study was to investigate whether age affects visual memory retention across extended time intervals. In addition, we wanted to study how memory capabilities across different time intervals are related to the volume of different neuroanatomical structures (right hippocampus, right cortex, right white matter). One test of recognition (CVMT) and one test of recall (Rey-Osterrieth Complex Figure Test) were administered, giving measures of immediate recognition/recall, 20–30 min recognition/recall, and recognition/recall at a mean of 75 days. Volumetric measures of right hemisphere h

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Pan, Yi, and Xue Zhang. "Visual working memory enhances target discrimination accuracy with single-item displays." Attention, Perception, & Psychophysics 82, no. 6 (2020): 3005–12. http://dx.doi.org/10.3758/s13414-020-02041-y.

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Tan, Deborah H., and Yuhong V. Jiang. "Tell me what you saw: The usefulness of verbal descriptions for others." Quarterly Journal of Experimental Psychology 73, no. 8 (2020): 1227–41. http://dx.doi.org/10.1177/1747021820915356.

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Describing what one saw to another person is common in everyday experience, such as spatial navigation and crime investigations. Past studies have examined the effects of recounting on one’s own memory, neglecting an important function of memory recall in social communication. Here we report surprisingly low utility of one’s verbal descriptions for others, even when visual memory for the stimuli has high capacity. Participants described photographs of common objects they had seen to enable judges to identify the target object from a foil in the same basic-level category. When describing from p

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Prilukova, T. I., A. N. Khlunovsky, B. V. Gaidar, and A. A. Starcenko. "Pharmacologic correction of psychic processes by «semax» medicine during rehabilitation period of neurosurgical patients." Neurology Bulletin XXVI, no. 1-2 (1994): 25–26. http://dx.doi.org/10.17816/nb107008.

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The psychic functions are not fully recovered in neurosurgical patients in the rehabilitation process in postoperational and posttraumatic periods. The disorders of mnestic processes are more pronounced: shortterm (affect, aural, visual) memory, memorizing volume of verbal material, psychic rate. It is shown that the Se- max medicine is able to improve the processes of teaching, aural perception, to increase the volume of verbal and affect material, the volume of long-term and some kinds of short-term memory even with short-term treatment (5 days).

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Khoury, Naim, Cyril Dargazanli, Adrien Guenego, et al. "Visual assessment of diffusion weighted imaging infarct volume lacks accuracy and reliability." Journal of NeuroInterventional Surgery 11, no. 9 (2019): 947–54. http://dx.doi.org/10.1136/neurintsurg-2018-014613.

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PurposeThe DAWN trial (Diffusion weighted imaging or CT perfusion Assessment with clinical mismatch in the triage of Wake-up and late presenting strokes undergoing Neurointervention with Trevo) has demonstrated the benefits of thrombectomy in patients with unknown or late onset strokes, using automated software (RAPID) for measurement of infarct volume. Because RAPID is not available in all centers, we aimed to assess the accuracy and repeatability of visual infarct volume estimation by clinicians and the consequences for thrombectomy decisions based on the DAWN criteria.Materials and methods1

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Babkoff, Harvey, Mario Mikulincer, Tamir Caspy, Daniel Kempinski, and Helen Sing. "The Topology of Performance Curves during 72 Hours of Sleep Loss: A Memory and Search Task." Quarterly Journal of Experimental Psychology Section A 40, no. 4 (1988): 737–56. http://dx.doi.org/10.1080/14640748808402296.

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Three levels of working memory load of a visual search (Memory and Search) task were tested in a 72-hour sleep deprivation paradigm. General performance and accuracy decrease over time with monotonic and rhythmic components. The signal detection discriminability index, d', decreases monotonically with rhythmic variations. The index of response bias, β, shows no monotonic trend, but significant circadian rhythmicity. The extent of the monotonic and rhythmic changes in accuracy and in d’ is directly related to the level of working memory load. The amplitude of the circadian component of accuracy

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Veraksa, Aleksander, Daria Bukhalenkova, Natalia Kartushina, and Ekaterina Oshchepkova. "The Relationship between Executive Functions and Language Production in 5–6-Year-Old Children: Insights from Working Memory and Storytelling." Behavioral Sciences 10, no. 2 (2020): 52. http://dx.doi.org/10.3390/bs10020052.

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This study examined the relationship between working memory capacity and narrative abilities in 5–6-year-old children. 269 children were assessed on their visual and verbal working memory and performed in a story retelling and a story creation (based on a single picture and on a series of pictures) tasks. The stories were evaluated on their macrostructure and microstructure. The results revealed a significant relationship between both components (verbal and visual) of working memory and the global indicators of a story’s macrostructure—such as semantic completeness, semantic adequacy, programm

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