The Machinery of the Brain

afferent nerves alpha rhythm appear automatic axon body Brain Mechanisms brain waves brainstem cause cell centers cerebellum cerebral cortex characteristics chemical circuit complex conditioning connections consciousness corpus callosum cortical damage dendrites discrimination effects electric stimulation electrode employed epilepsy epileptic evidence example experiments frequently frog frontal lobes function genetic glands hemisphere human brain hypothalamus implanted electrodes impulses input insect interconnections interneurons involved kind large number learned lower animals measurements memory trace ment mental monkey motor muscles muscular nature nervous system neurons normal observed on/off operation optic nerve organs output patient Penfield perform physical portion potential processes produced properties pulses receptor reflex regions response reticular activating system reticular formation retina scientist seems sensations sensory signal similar specific speech areas spinal cord storage stored switch techniques temporal lobes terminals tion tissue triggered tropisms visual cortex voltage