Abstract：
:Event-related potentials in two auditory target detection paradigms and two auditory paradigms without overt tasks were studied in 22 schizophrenic, 21 depressed, and 28 matched control subjects meeting Research Diagnostic Criteria. In the target detection paradigms, schizophrenics showed a pattern of reduced N120 amplitude and shorter P200 latency to frequently occurring tones, and reduced P300 and Slow Wave amplitude to infrequent target and nontarget tones. This pattern is consistent with impaired selective attention for stimuli. For depressed patients these variables were generally intermediate between those of schizophrenics and controls. In the other paradigms N120 latency was greater for schizophrenics, and P200 amplitude was less for depressed patients.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Roth WT,Pfefferbaum A,Kelly AF,Berger PA,Kopell BSdoi
10.1016/0165-1781(81)90023-8subject
Has Abstractpub_date
1981-04-01 00:00:00pages
199-212issue
2eissn
0165-1781issn
1872-7123pii
0165-1781(81)90023-8journal_volume
4pub_type
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