Symptom correlates of vulnerability to backward masking in schizophrenia

M. Green, E. Walker

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The authors used the backward-masking procedure to investigate visual information processing in schizophrenic and bipolar patients, determining the critical interstimulus interval at which the masked target could be identified for each subject. Multiple regression analysis revealed that a negative symptom rating was a significant predictor of this internal among schizophrenic patients: greater negative symptoms were associated with longer intervals. Positive symptom ratings were not predictive of performance. Symptom ratings do not predict performance of bipolar patients. Group comparisons revealed that schizophrenic patients who had mixed positive and negative symptoms had significantly longer intervals than normal control subjects did. These results have implications for theories of information processing in schizophrenia.

Original languageEnglish
Pages (from-to)181-186
Number of pages6
JournalAmerican Journal of Psychiatry
Issue number2
StatePublished - 1986
Externally publishedYes


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