Tonic heart rate: experiments on the effects of collative variables lead to a hypothesis about its motivational significance.
D000818:Animals; D001143:Arousal; D003118:Color Perception; D003220:Conflict, Psychological; D004597:Electroshock; D004924:Escape Reaction; D006339:Heart Rate; D006801:Humans; D008297:Male; D009042:Motivation; D010897:Pitch Discrimination; D011930:Reaction Time