The diseased brain of an Alzheimer's patient is characterized by:   A. Clumps of amyloid plaque protein that inhibit neural transmission   B. Neurofibrillary tangles   C. Senescent junctions   D. Both A and B

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Learning and memory

Learning is defined as a relatively permanent and irreversible adaptive change in behavior. It always results from experience. The ability of an organism to store and recall the effects, sensations, and knowledge gained through learning and experience is called memory.