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Peer reviewedJacobson, Joseph L.; And Others – Developmental Psychology, 1992
In four year olds who had been exposed to polychlorinated biphenyls (PCBs) before birth, prenatal exposure was associated with less efficient visual discrimination processing and more errors in short memory scanning. Postnatal exposure was unrelated to cognitive performance. (GLR)
Descriptors: Attention Span, Cognitive Processes, Intelligence Quotient, Poisons
