Psychologists who study the nature of the
learning process have uncovered many important principles about how we acquire
information about the structure of our environment and how we use this
understanding to interact effectively with our environment. As in earlier
editions, the fourth edition provides a thorough up to date coverage of such
principles and applications.
Much exciting new research in learning has
occurred in the last few years. And I focus attention on these findings
throughout the text. Some of the key new discoveries include the conditioning of
immune system suppression , the identification of behavioral economic principles
in operant conditioning, the deter monition of conditions that lead to a
reinforce being devalued the recognition of processes that provide the
reinforcing power of psychoactive drugs, the study of the question of whether
language learning occurs n primates and the relevance of memory reconstruction
to understanding the validity of repressed memories.