Visual masking & schizophrenia

Visual masking is a frequently used tool in schizophrenia research. Visual masking has a very high sensitivity and specificity and masking paradigms have been proven to be endophenotypes. Whereas masking is a powerful technique to study schizophrenia, the underlying mechanisms are discussed controve...

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Main Authors: Michael H. Herzog, Andreas Brand
Format: Article
Language:English
Published: Elsevier 2015-06-01
Series:Schizophrenia Research: Cognition
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2215001315000116
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author Michael H. Herzog
Andreas Brand
author_facet Michael H. Herzog
Andreas Brand
author_sort Michael H. Herzog
collection DOAJ
description Visual masking is a frequently used tool in schizophrenia research. Visual masking has a very high sensitivity and specificity and masking paradigms have been proven to be endophenotypes. Whereas masking is a powerful technique to study schizophrenia, the underlying mechanisms are discussed controversially. For example, for more than 25 years, masking deficits of schizophrenia patients were mainly attributed to a deficient magno-cellular system (M-system). Here, we show that there is very little evidence that masking deficits are magno-cellular deficits. We will discuss the magno-cellular and other approaches in detail and highlight their pros and cons.
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spelling doaj.art-1ae5569a11f84c94bf9d33d60e6552722022-12-21T18:33:20ZengElsevierSchizophrenia Research: Cognition2215-00132015-06-0122647110.1016/j.scog.2015.04.001Visual masking & schizophreniaMichael H. Herzog0Andreas Brand1Laboratory of Psychophysics, Brain Mind Institute, École Polytechnique Fédérale de Lausanne (EPFL), SwitzerlandKlinikum Bremen-Ost, Bremen, GermanyVisual masking is a frequently used tool in schizophrenia research. Visual masking has a very high sensitivity and specificity and masking paradigms have been proven to be endophenotypes. Whereas masking is a powerful technique to study schizophrenia, the underlying mechanisms are discussed controversially. For example, for more than 25 years, masking deficits of schizophrenia patients were mainly attributed to a deficient magno-cellular system (M-system). Here, we show that there is very little evidence that masking deficits are magno-cellular deficits. We will discuss the magno-cellular and other approaches in detail and highlight their pros and cons.http://www.sciencedirect.com/science/article/pii/S2215001315000116Hyperactive magno-cellular systemHypoactive magno-cellular systemEndophenotypesEarly visual processingSchizophrenia
spellingShingle Michael H. Herzog
Andreas Brand
Visual masking & schizophrenia
Schizophrenia Research: Cognition
Hyperactive magno-cellular system
Hypoactive magno-cellular system
Endophenotypes
Early visual processing
Schizophrenia
title Visual masking & schizophrenia
title_full Visual masking & schizophrenia
title_fullStr Visual masking & schizophrenia
title_full_unstemmed Visual masking & schizophrenia
title_short Visual masking & schizophrenia
title_sort visual masking schizophrenia
topic Hyperactive magno-cellular system
Hypoactive magno-cellular system
Endophenotypes
Early visual processing
Schizophrenia
url http://www.sciencedirect.com/science/article/pii/S2215001315000116
work_keys_str_mv AT michaelhherzog visualmaskingschizophrenia
AT andreasbrand visualmaskingschizophrenia