Ontology highlight
ABSTRACT:
SUBMITTER: Karjalainen T
PROVIDER: S-EPMC4967806 | biostudies-literature | 2016 Aug
REPOSITORIES: biostudies-literature
Social cognitive and affective neuroscience 20160406 8
The reinforcement-sensitivity theory proposes that behavioural activation and inhibition systems (BAS and BIS, respectively) guide approach and avoidance behaviour in potentially rewarding and punishing situations. Their baseline activity presumably explains individual differences in behavioural dispositions when a person encounters signals of reward and harm. Yet, neurochemical bases of BAS and BIS have remained poorly understood. Here we used in vivo positron emission tomography with a µ-opioi ...[more]