Abstract:
INTRODUCTION:Although there is evidence for language abnormality in schizophrenia, few studies have examined sign language in deaf patients with the disorder. This is of potential interest because a hallmark of sign languages is their use of classifiers (semantic or entity classifiers), a reference-tracking device with few if any parallels in spoken languages. This study aimed to examine classifier production and comprehension in deaf signing adults with schizophrenia. METHOD:Fourteen profoundly deaf signing adults with schizophrenia and 35 age- and IQ-matched deaf healthy controls completed a battery of tests assessing classifier and noun comprehension and production. RESULTS:The patients showed poorer performance than the healthy controls on comprehension and production of both nouns and entity classifiers, with the deficit being most marked in the production of classifiers. Classifier production errors affected handshape rather than other parameters such as movement and location. CONCLUSIONS:The findings suggest that schizophrenia affects language production in deaf patients with schizophrenia in a unique way not seen in hearing patients.
journal_name
Cogn Neuropsychiatryjournal_title
Cognitive neuropsychiatryauthors
Chatzidamianos G,McCarthy RA,Du Feu M,Rosselló J,McKenna PJdoi
10.1080/13546805.2018.1476227subject
Has Abstractpub_date
2018-07-01 00:00:00pages
229-241issue
4eissn
1354-6805issn
1464-0619journal_volume
23pub_type
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