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A sample of acutely hospitalized paranoid and nonparanoid schizophrenics and another sample of paranoid and nonparanoid schizophrenics studied at follow-up were compared on measures of cognitive functioning, disordered thinking, and drive dominated thinking using the WAIS, the Rorschach test, the object sorting test, and an overall index of outcome functioning (N = 67). Results suggested that cognitive regression is related more to acute psychological disturbance than to the presence or absence of paranoia, that the presence of socialized drive dominated thinking during the acute phase is related to better posthospital adjustment at follow-up, and that paranoid schizophrenics show better cognitive functioning after the acute phase. Results did not support the theory that suggests an etiological relation between homosexual conflict and paranoia.

Forty-seven children treated for lead poisoning (PbB 50 to 365 microgram/dl) were compared to siblings next in age (PbB less than 40 microgram/dl) by a battery of psychologic tests. Symptoms were present in 18 but none had frank encephalopathy. Physical and neurologic examinations revealed no residual damage. Mean psychologic test scores showed no significant difference between patients and controls except in the arithmetic subtest, in which patients' scores were not related to lead concentration. Intelligence tests failed to distinguish children successfully treated from their sibling controls.