Cortical spreading depression induced state dependency.
D000161:Acoustic Stimulation; D000818:Animals; D002540:Cerebral Cortex / Q000502:physiology*; D003214:Conditioning, Classical; D013181:Cortical Spreading Depression; D004597:Electroshock; D005108:Extinction, Psychological; D005793:Generalization, Psychological; D006339:Heart Rate; D008297:Male; D008568:Memory; D051381:Rats