Wilder Penfield's contributions to the structure–function relationships of the brain are well-known. Less well-known is the influence that Ivan Pavlov and the conditioned reflex had on Penfield's understanding of epileptogenesis, and on his concept of the acquisition of memories, language, and perception—what Penfield referred to as the physiology of the mind. Penfield invoked conditioned reflexes to explain responses to electrocortical stimulation of the temporal lobes that encompass memory, perception, and affect. Penfield referred to these responses as experiential phenomena since he considered that they constituted a record of past experiences. Penfield also invoked the conditioned reflex to explain the acquisition of the interpretive aspects of written and spoken language in the dominant temporal cortex. This article describes and discusses these neglected aspects of Penfield's work, and how they contributed to a broader understanding of the functional integration of the temporal cortex and the limbic system.
from Neurology recent issues https://ift.tt/2OeGizd
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