Physiological aspects Memory 29 Brain 15 Learning 8 Physiology 5 Learning, Psychology of 3 Memory disorders 3 Neuroplasticity 3 Recollection (Psychology) 3 Animal memory 2 Behavior 2 Cats 2 Criticism and interpretation 2 Growth 2 Human information processing 2 Memory in literature 2 Neurobiology 2 Neurophysiology 2 Research 2 Space perception 2 Teaching 2 Testing 2 Visual perception 2 Adjustment (Psychology) 1 Age factors 1 Alzheimer's disease 1 Animal intelligence 1 Attention 1 Cerebral cortex 1 Emotions 1