Abstract:
:It has been repeatedly demonstrated that schizophrenic patients are impaired in the comprehension of sentences with complex syntax. We investigated the hypothesis that this syntactic comprehension impairment in schizophrenia is not a purely linguistic dysfunction, but rather the reflection of a cognitive sequence processing impairment that is revealed as task complexity increases. We tested 10 schizophrenic patients using a standard measure of syntactic comprehension, and a non-linguistic sequence processing task, both of which required simple and complex transformation processing. Patients' performance impairment on the two tasks was highly correlated (r2 = 0.84), and there was a significant effect for complexity, independent of the task. These results are quite similar to those of aphasic patients with left hemisphere lesions. This suggests that syntactic comprehension deficits in schizophrenia reveal the dysfunction of cognitive sequence processing mechanisms that can be expressed both in linguistic and non-linguistic sequence tasks.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Lelekov T,Franck N,Dominey PF,Georgieff Ndoi
10.1097/00001756-200007140-00017subject
Has Abstractpub_date
2000-07-14 00:00:00pages
2145-9issue
10eissn
0959-4965issn
1473-558Xjournal_volume
11pub_type
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