Repetitive behaviors are not an uncommon part of human experience, but not all repetitive actions serve the same purpose or carry the same meaning. Two types of behaviors that are often confused are ...

Domestic horses sometimes engage in stereotyped behaviors (a repetitive movement that appears to have no purpose or function.) In horses, these behaviors may include cribbing, pawing, head shaking, ...

Stereotypic movement disorder is a motor disorder that develops in childhood, typically before grade school, and involves repetitive, purposeless movement. Examples of stereotypic movements include ...