From mind to molecules; studies of simple forms of nondeclarative memory show that memory is stored through alternations in synaptic strength; molecules import for short-term memory; declarative memory - encoding, storage, recall, and forgetting; declarative memory - the neocortex and the medial temporal lobe memory system; long-term potentiation and declarative forms of memory; the conversion of short-term to long-term memory; nondeclarative forms of memory - priming, perceptual learning, and emotional learning; learning habits; true memories, false memories, memory disorders, and the biological basis of individuality.