Abstract:
:The current study investigated the relationship between clinical evaluations of social functioning and neurocognitive test results, including various fluency tests for assessing divergent thinking, in patients with schizophrenia. The Optional Thinking Test (OTT) was used to measure the ability of individuals to conceive of alternatives. This test assesses alternative thinking, or the capacity to generate solutions to problems. The current study examined 36 schizophrenia patients and 25 normal subjects using the Mini-Mental State Examination (MMSE), the Rey Auditory Verbal Learning Test (RAVLT), the Letter Cancellation Test (LCT), the Letter and Category Fluency Tests, and the OTT for neurocognitive assessment, as well as the Positive and Negative Syndrome Scale (PANSS), the Global Assessment of Functioning (GAF), the Social Functioning Scale (SFS), and the Life Assessment Scale for the Mentally Ill - Interpersonal Relations (LASMI-I) for clinical measures. The schizophrenia patients had significantly poorer performances on the MMSE, RAVLT, LCT (time), fluency tests, and OTT than the controls. In the OTT, the proportions of classified strategies were indistinguishable between the schizophrenia patients and the controls. Alternative thinking, as measured by the OTT, was correlated with verbal fluency and attention but was not correlated with the social functioning scores (GAF, SFS, LASMI-I), whereas the Means-Ends Problem-Solving was correlated with the GAF in schizophrenia. Patients with schizophrenia could conceive of the same categories of alternatives as healthy people, but could not conceive as many alternatives.
journal_name
Psychiatry Clin Neuroscijournal_title
Psychiatry and clinical neurosciencesauthors
Chino B,Mizuno M,Nemoto T,Yamashita C,Kashima Hdoi
10.1111/j.1440-1819.2006.01461.xsubject
Has Abstractpub_date
2006-02-01 00:00:00pages
63-9issue
1eissn
1323-1316issn
1440-1819pii
PCNjournal_volume
60pub_type
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