Actual versus Self-reported Cognitive Dysfunction in HIV-1 Infection: Memory-Metamemory Dissociations

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Abstract
The relationship between subjective awareness and objective neuropsychological status in HIV-1 infection remains unclear. Forty-six HIV-1 seropositive males were administered a battery of neuropsychological measures assessing episodic memory, metacognition, and depression. Results of ANOVA revealed a dissociation between subjects' self-complaint of neuropsychological impairment and objective performance, with subjects who denied cognitive impairment performing worse on memory testing. Three subgroups were identified: A group whose self-reported cognitive impairment exceeded deficits demonstrated on memory testing (37% of subjects); a group who denied impairment but evidenced deficits on memory testing (26% of subjects); and a group whose self-appraisal was consistent with performance (37% of subjects). These data suggest that self-report of cognitive dysfunction among HIV-1 infected subjects is frequently at variance with objective neuropsychological testing and that diminished awareness of decline among medically symptomatic HIV-1 infected subjects can be identified.

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