A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

This study consists of two parts. First, to identify specific prefrontal circuits that may play important roles in autism, we looked for physiological abnormalities that were specific for particular ...

Most abnormal behaviors are highly individualized and idiosyncratic. Stereotypic behaviors are classified as "habitual patterns of stimulation which, by virtue of their familiarity and repetitive ...

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 ...