Abstract
The selective sparing and impairment of specific categories of knowledge in patients with neurological damage may help reveal the organization of semantic knowledge in the brain. We report the selective sparing of the category of body parts in a patient who is otherwise impaired in naming and comprehending a wide range of other semantic categories. This pattern of performance and its complementary pattern already described in the neuropsychological literature are interpreted within a model of semantic memory that postulates a categorical structure for evolutionarily important categories of knowledge.
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