Neurobiology of the Hippocampus

action activity adenosine afferents amnesia amplitude analysis animals appears association behavior Brain Res changes choice complex connections correlates cortex cues culture dendritic dentate described direct effect enhancement entorhinal et al evidence evoked example experiments fibers field findings firing frequency function given granule cells groups gyrus hippocampal hippocampal formation impairment increase indicate input involved layer learning lesions Lynch maze mechanisms membrane memory monkeys neurons normal O'Keefe observed occur Olton organization path pathway patients pattern performance place cells position possible postsynaptic potentials present Press problem procedure processes produced projection pyramidal cells rats recent recorded reference region release response seen shown similar single slices spatial specific spike spine stimulation structure studies suggest synaptic task temporal theta rhythm trials types York