neurons: sensory, inter, motor inhibitory neurons Cajal Hodkin synapse, axon, dendrite/dendron synaptic cleft, neurotransmitter hippocampus hypothalamus implicut/explicitemory autonomic nervous system habituation, sencitization, classical conditioning rationalism (Kant) vs empiricism (Locke) short-term (increased synaptic strength) memory -- consolidation --> long term (greater number of synapses) memory aplysia sensory maps in the brain effector gene vs. regulatory gene repressor/activator prion hippocampus involuntary/voluntary attention egocentric/allocentric spacial map age related forgetfullness: difficulty of converting short-term into long-term memory ethical issues of memory enhancement instinctive vs. learned fear/anxiety DaMasio mentioned striatum prefrontal cortex