"markers" Of Vulnerability And Episodes In Paranoid And Nonparanoid Schizophrenics

TL;DRAbstract

The vulnerability model of schizophrenia (Zubin & Spring, 1977) postulates that individuals have a certain level of vulnerability to schizophrenia which is a relatively enduring trait. An episode of schizophrenia is hypothesized to be a function of this level and stressful events, either in the environment or as perceived by the person. One way of investigating this model is to locate both "markers" of vulnerability and episodes by comparing remitted and episodic schizophrenics, to see how they differ (potential episode markers) and how they are similar (potential vulnerability markers).;Schizophrenics in differing phases of illness have demonstrated a letter detection deficit under conditions of rapid processing (Asarnow & MacCrimmon, 1978). It was hypothesized that remitted and episodic paranoid and nonparanoid schizophrenics would all show similar performances when compared to normal controls. This hypothesis was not borne out, as the remitted patients' performance tended to

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