Performance characteristics of chronic schizophrenia on attention tests sensitive to unilateral brain damage

Masafumi Mizuno, Motoichiro Kato, Giuseppe Sartori, Hiroshi Okawara, Haruo Kashima

研究成果: Article査読

8 被引用数 (Scopus)

抄録

The aims of this study were to investigate the lateralization hypothesis of schizophrenia, comparing chronic schizophrenics with unilateral brain-damaged subjects and normal controls, using attentional tests sensitive to the unilateral brain damage. Three attentional tests with different modes of stimuli, two vigilance tasks that require the self-paced or nonself-paced responses of subjects and one divided attention task, were administered to 28 chronic schizophrenics, 26 right and 24 left unilateral brain-damaged subjects, and 20 normal controls. The results indicated that schizophrenics performed a possible right-hemisphere damages pattern and also a left pattern in part, with failure of all tasks to show either pattern related to a number of differences between the three tasks. Furthermore, the attention deficits of schizophrenics are less than those of brain-damaged subjects but are clearly abnormal compared with the normal controls.

本文言語English
ページ(範囲)427-433
ページ数7
ジャーナルJournal of Nervous and Mental Disease
185
7
DOI
出版ステータスPublished - 1997 7月 1

ASJC Scopus subject areas

  • 精神医学および精神衛生

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