Document Detail

Apparent motion perception in patients with paranoid schizophrenia.
MedLine Citation:
PMID:  22865160     Owner:  NLM     Status:  Publisher    
Impaired perceptual inference has been suggested to be at the core of positive symptoms in schizophrenia. Apparent motion (AM) is a visual illusion in which perceptual inference gives rise to the experience of a single object moving back and forth when two spatially separated objects are flashed in alternation. Here, we investigated the strength of AM perception in patients with paranoid schizophrenia. Patients were less susceptible to the illusion as indicated by a lower probability of motion perception at the individual's optimal presentation frequency for AM. In addition, the probability of AM perception was inversely related to delusional conviction in the patient group. These results suggest that schizophrenia may be associated with a reduced susceptibility to visual phenomena that commonly rely on perceptual inference.
Lia Lira Olivier Sanders; Walter de Millas; Andreas Heinz; Norbert Kathmann; Philipp Sterzer
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-5
Journal Detail:
Title:  European archives of psychiatry and clinical neuroscience     Volume:  -     ISSN:  1433-8491     ISO Abbreviation:  Eur Arch Psychiatry Clin Neurosci     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9103030     Medline TA:  Eur Arch Psychiatry Clin Neurosci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany,
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