Abstract
AbstractIntroduction. Previous studies, summarized in Parts I and II, have shown that the injection of radio-opaque isotope and implantation of flexible electrodes into the brain of rhesus monkeys introduced an additional independent variable into the experiment, thus confounding the certitude of the dependent variable. A behavioral study, where trauma was the only intervention, would greatly add to our understanding of the clinical/cognitive responses of whiplashed primates with possible implications for humans.Materials and Method. Three female, feral-raised rhesus monkeys that were experimentally naive were used as subjects. A modified Wisconsin General Testing Apparatus (Harlow (4)) with two Plexiglass partitions was used to measure the types of mental functioning evaluated by the Halstead-Reitan Scale (Reitan (9)) in suspected cases of brain injury. These were attention, memory, and perception. The 3 testing phases were: learning set discriminations, reversal learning, and delayed responding. Each su...
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