title: Individual differences in the frequency of hippocampal theta activity in relation to the nonspecific (constitutional) excitability level in rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D004566:Electrodes; D004569:Electroencephalography; D006624:Hippocampus; D008297:Male; D051381:Rats; D012895:Sleep, REM; D013016:Sound