Detail that zoochosis can come from a variety of factors, including social isolation, small enclosures, noisy visitors, and lack of enrichment. Explore how zoos are working to reduce zoochosis through ...

A new three-volume study, Abnormal Psychology Across the Ages, shows how far we have come in diagnosing and treating mental illness. In the Renaissance, the mentally ill were feared, shunned, and ...

Across captive settings, nonhuman primates may develop an array of abnormal behaviors including stereotypic and self-injurious behavior. Abnormal behavior can indicate a state of poor welfare, since ...

The term “abnormal” when it comes to mental health and psychopathology is often taken for granted. You might have taken, or at least heard of, college courses in “abnormal psychology.” What, then, is ...