The foundation for our understanding of subjective drug effects comes from human and non-human animal ‘drug discrimination’ research (see Colpaert, 1999). These models typically require the subject to ...

Operant conditioning, sometimes called instrumental conditioning or Skinnerian conditioning, is a method of learning that uses rewards and punishment to modify behavior. Through operant conditioning, ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American While second nature to many of us, driving a ...