Columbia subject headings:
Anxiety--Congresses.
Aversive stimuli--Congresses.
Avoidance (Psychology)--Congresses.
Conditioned response--Congresses.
Motivation (Psychology)--Congresses.
Motivation (Psychology)--Physiological aspects--Congresses.
Harvard subject headings:
Anxiety--Congresses
Aversive stimuli--Congresses.
Avoidance (Psychology)--Congresses.
Conditioned response--Congresses.
Motivation (Psychology)--Congresses
Motivation (Psychology)--Physiological aspects--Congresses.
Princeton subject headings: