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 ...

Movement disorders, such as Parkinson’s disease, essential tremor, and dystonia, are characterized by their predominant motor symptoms, yet diseases causing abnormal movement also encompass several ...

Functional neurological disorder (FND) describes motor and/or sensory symptoms that arise from the voluntary motor or somatosensory nervous system and are experienced as involuntary. FND is a ...