Assertion: caffeine's effect | /r/HasProperty | unpleasant psychoactive
Facets:
Source sentences:
text: Caffeine does predominantly induce unpleasant psychoactive effects (a form of operant punishment) in some individuals, and probably in other animals as well; in such cases, it necessarily induces aversive motivational salience towards the ingested caffeine-containing substance (i.e., the person avoids ingesting it again), such as coffee.