n. one of two motivational systems which govern human and animal behavior. Activated by incentive motivation, the response is towards the stimuli as something desired. It is associated with positive affective responses being generated and, thus, behavior is further positively reinforced. Prposed by British psychologist Jeffrey Alan Gray (1934-2004). Compare behavioral inhibition system.

BEHAVIORAL APPROACH SYSTEM (BAS): "The Behavioral Approach System (BAC) activates an approach behavior, and this is in response to favorable cues geared towards reward. "
Cite this page: N., Pam M.S., "BEHAVIORAL APPROACH SYSTEM (BAS)," in, April 7, 2013, (accessed November 13, 2020).