stereotyped Uncontrolled, repetitive movement within a restricted pattern. A feature of Pervasive Developmental Disorders.

In animal behavior, stereotypies have been defined as behaviors that are repetitive, performed the same way each time, and seem to serve no obvious purpose or function. They may be compulsive behaviors that have become displaced, perhaps due to boredom, frustration, or unresolved stress.

Children with autism, Trevarthen et al Repetitive actions lacking curiosity and creativity.

The art or process of making stereotype plates.