Learning and memory are primary mental activities that are essential for life. Learning is the basis of memory, and we remember what we have learned. These functions are necessary for survival in that they allow the animal to adapt to the environment, to act effectively in the search of food, and to stay out of harm’s way. In humans, they are at the basis of one’s personal identity and provide the temporal continuity of the subjective experience, allowing the recollection of past events, both old and recent ones, and of the totality of the individual’s knowledge. Moreover, these functions make it possible to correlate and compare new information with that already stored, and to predict and plan.
KeywordsPrefrontal Cortex Episodic Memory Positron Emission Tomography Study Semantic Memory Medial Temporal Lobe
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