Impairments of Memory and Learning in Older Adults Exposed to Polychlorinated Biphenyls via Consumption of Great Lakes Fish.

Evaluates the impact of polychlorinated biphenyls (PCB) and other fish-borne contaminants on intellectual functioning in older adults in Michigan. Elevation of markers of PCB, dichlorodiphenyl and dichloroethene in fish eaters; Association of exposure to lower scores on several measures of memory and learning; Lack of impact of exposure on visual and spatial functions.