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Prosopagnosia

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https://www.readbyqxmd.com/read/29754115/delusional-misidentifications-in-a-procrustean-bed
#1
EDITORIAL
G N Christodoulou, M Margariti, N Christodoulou
The Delusional Misidentification Syndromes (DMSs) are characterized by defective integration of the normally The Delusional Misidentification Syndromes (DMSs) are characterized by defective integration of the normally fused functions of perception and recognition. The classical sub-types are: the syndromes of Capgras, Fregoli,Intermetamorphosis (mentioned in 3) and Subjective doubles. These syndromes occur in a clear sensorium and shouldbe differentiated from the banal transient misidentifications occurring in confusional states and in mania and from thenon-delusional misidentifications (e...
January 2018: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29749293/decisional-space-determines-saccadic-reaction-times-in-healthy-observers-and-acquired-prosopagnosia
#2
Meike Ramon, Nayla Sokhn, Junpeng Lao, Roberto Caldara
Determining the familiarity and identity of a face have been considered as independent processes. Covert face recognition in cases of acquired prosopagnosia, as well as rapid detection of familiarity have been taken to support this view. We tested P.S. a well-described case of acquired prosopagnosia, and two healthy controls (her sister and daughter) in two saccadic reaction time (SRT) experiments. Stimuli depicted their family members and well-matched unfamiliar distractors in the context of binary gender, or familiarity decisions...
May 11, 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29723598/the-contribution-of-facial-dynamics-to-subtle-expression-recognition-in-typical-viewers-and-developmental-visual-agnosia
#3
Neta Yitzhak, Sharon Gilaie-Dotan, Hillel Aviezer
Facial expressions are inherently dynamic cues that develop and change over time, unfolding their affective signal. Although facial dynamics are assumed important for emotion recognition, testing often involves intense and stereotypical expressions and little is known about the role of temporal information in the recognition of subtle, non-stereotypical expressions. In Experiment 1 we demonstrate that facial dynamics are critical for recognizing subtle and non-stereotypical facial expressions, but not for recognizing intense and stereotypical displays of emotion...
April 30, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29666739/prosopagnosia-as-a-type-of-conversion-disorder
#4
Clodagh Power, Oisin Hannigan, Robert Coen, Irene Bruce, Matthew Gibb, Marie McCarthy, David Robinson, Brian A Lawlor
Background: Conversion disorder is a common and debilitating condition that remains poorly understood. We present a previously undescribed form of conversion disorder to highlight the complexity of the condition and consider the interplay of factors that produce conversion symptoms. Case: A 50-year-old male presented with acquired prosopagnosia and language impairment. Neuropsychological testing indicated right temporal lobe dysfunction. Extensive work-up outruled an organic aetiology...
2018: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/29658422/congenital-prosopagnosia-deficit-diagnosis-and-beyond
#5
Adrian Nestor
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658420/face-specificity-of-developmental-prosopagnosia-moving-beyond-the-debate-on-face-specificity
#6
Beatrice de Gelder, Jan Van den Stock
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658419/decoupling-category-level-and-perceptual-similarity-in-congenital-prosopagnosia
#7
Alison Campbell, James W Tanaka
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658417/the-face-specificity-of-lifelong-prosopagnosia
#8
Tirta Susilo
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658414/over-time-the-right-results-will-emerge
#9
Marlene Behrmann, Jacob Geskin
Scientific research involves going beyond the well-trodden and well-tested ideas and theories that form the core of scientific knowledge. During the time scientists are working things out, some results will be right, and others will be wrong. Over time, the right results will emerge. Lisa Randall (Frank B. Baird, Jr. Professor of Science, Physics Department, Harvard University) We are grateful to all the commentators for the important and thoughtful comments raised in response to the Geskin and Behrmann (G & B) literature survey...
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658411/a-possible-neuronal-account-for-the-behavioural-heterogeneity-in-congenital-prosopagnosia
#10
Gideon Rosenthal, Galia Avidan
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29658410/should-developmental-prosopagnosia-developmental-body-agnosia-and-developmental-object-agnosia-be-considered-independent-neurodevelopmental-conditions
#11
Katie L H Gray, Richard Cook
No abstract text is available yet for this article.
February 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29628441/the-original-social-network-white-matter-and-social-cognition
#12
REVIEW
Yin Wang, Ingrid R Olson
Social neuroscience has traditionally focused on the functionality of gray matter regions, ignoring the critical role played by axonal fiber pathways in supporting complex social processes. In this paper, we argue that research on white matter is essential for understanding a range of topics in social neuroscience, such as face processing, theory of mind, empathy, and imitation, as well as clinical disorders defined by aberrant social behavior, such as prosopagnosia, autism, and schizophrenia. We provide practical advice on how best to carry out these studies, which ultimately will substantially deepen our understanding of the neurobiological basis of social behavior...
April 5, 2018: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/29596857/inversion-effects-for-faces-and-objects-in-developmental-prosopagnosia-a-case-series-analysis
#13
Solja K Klargaard, Randi Starrfelt, Christian Gerlach
The disproportionate face inversion effect (dFIE) concerns the finding that face recognition is more affected by inversion than recognition of non-face objects; an effect assumed to reflect that face recognition relies on special operations. Support for this notion comes from studies showing that face processing in developmental prosopagnosia (DP) is less affected by inversion than it is in normal subjects, and that DPs may even display face inversion superiority effects, i.e. better processing of inverted compared to upright faces...
March 26, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29549569/normative-accuracy-and-response-time-data-for-the-computerized-benton-facial-recognition-test-bfrt-c
#14
Bruno Rossion, Caroline Michel
We report normative data from a large (N = 307) sample of young adult participants tested with a computerized version of the long form of the classical Benton Facial Recognition Test (BFRT; Benton & Van Allen, 1968). The BFRT-c requires participants to match a target face photograph to either one or three of six face photographs presented simultaneously. We found that the percent accuracy on the BFRT-c (81%-83%) was below ceiling yet well above chance level, with little interindividual variance in this typical population sample, two important aspects of a sensitive clinical test...
March 16, 2018: Behavior Research Methods
https://www.readbyqxmd.com/read/29528680/reading-in-developmental-prosopagnosia-evidence-for-a-dissociation-between-word-and-face-recognition
#15
Randi Starrfelt, Solja K Klargaard, Anders Petersen, Christian Gerlach
OBJECTIVE: Recent models suggest that face and word recognition may rely on overlapping cognitive processes and neural regions. In support of this notion, face recognition deficits have been demonstrated in developmental dyslexia. Here we test whether the opposite association can also be found, that is, impaired reading in developmental prosopagnosia. METHOD: We tested 10 adults with developmental prosopagnosia and 20 matched controls. All participants completed the Cambridge Face Memory Test, the Cambridge Face Perception test and a Face recognition questionnaire used to quantify everyday face recognition experience...
February 2018: Neuropsychology
https://www.readbyqxmd.com/read/29528679/mapping-self-face-recognition-strategies-in-congenital-prosopagnosia
#16
Manuela Malaspina, Andrea Albonico, Junpeng Lao, Roberto Caldara, Roberta Daini
OBJECTIVE: Recent evidence showed that individuals with congenital face processing impairment (congenital prosopagnosia [CP]) are highly accurate when they have to recognize their own face (self-face advantage) in an implicit matching task, with a preference for the right-half of the self-face (right perceptual bias). Yet the perceptual strategies underlying this advantage are unclear. Here, we aimed to verify whether both the self-face advantage and the right perceptual bias emerge in an explicit task, and whether those effects are linked to a different scanning strategy between the self-face and unfamiliar faces...
February 2018: Neuropsychology
https://www.readbyqxmd.com/read/29504464/adults-have-moderate-to-good-insight-into-their-face-recognition-ability-further-validation-of-the-20-item-prosopagnosia-index-in-a-portuguese-sample
#17
Paulo Ventura, Lucy Anne Livingston, Punit Shah
No abstract text is available yet for this article.
May 1, 2018: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/29454895/ensemble-coding-of-face-identity-is-present-but-weaker-in-congenital-prosopagnosia
#18
Matthew K Robson, Romina Palermo, Linda Jeffery, Markus F Neumann
Individuals with congenital prosopagnosia (CP) are impaired at identifying individual faces but do not appear to show impairments in extracting the average identity from a group of faces (known as ensemble coding). However, possible deficits in ensemble coding in a previous study (CPs n = 4) may have been masked because CPs relied on pictorial (image) cues rather than identity cues. Here we asked whether a larger sample of CPs (n = 11) would show intact ensemble coding of identity when availability of image cues was minimised...
March 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29374245/identifying-hallmark-symptoms-of-developmental-prosopagnosia-for-non-experts
#19
Ebony Murray, Peter J Hills, Rachel J Bennetts, Sarah Bate
Developmental prosopagnosia (DP) is characterised by a severe and relatively selective deficit in face recognition, in the absence of neurological injury. Because public and professional awareness of DP is low, many adults and children are not identified for formal testing. This may partly result from the lack of appropriate screening tools that can be used by non-experts in either professional or personal settings. To address this issue, the current study sought to (a) explore when DP can first be detected in oneself and another, and (b) identify a list of the condition's everyday behavioural manifestations...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29327279/emotion-recognition-and-psychological-comorbidity-in-friedreich-s-ataxia
#20
Teresa Costabile, Veronica Capretti, Filomena Abate, Agnese Liguori, Francesca Paciello, Chiara Pane, Anna De Rosa, Silvio Peluso, Giuseppe De Michele, Alessandro Filla, Francesco Saccà
Friedreich's ataxia (FRDA) is an autosomal recessive disease presenting with ataxia, corticospinal signs, peripheral neuropathy, and cardiac abnormalities. Little effort has been made to understand the psychological and emotional burden of the disease. The aim of our study was to measure patients' ability to recognize emotions using visual and non-verbal auditory hints, and to correlate this ability with psychological, neuropsychological, and neurological variables. We included 20 patients with FRDA, and 20 age, sex, and education matched healthy controls (HC)...
January 11, 2018: Cerebellum
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