The Abnormal Involuntary Movement Scale (AIMS) is a clinical tool used to assess and monitor involuntary movements associated with certain medications or conditions. It primarily focuses on detecting tardive dyskinesia, a side effect of long-term or high-dose use of antipsychotic medications characterized by repetitive, involuntary, purposeless movements such as grimacing, tongue movements, lip smacking, and blinking.

Developed in the 1970s, the AIMS test is conducted through observation and patient reporting during a clinical examination. The scale assesses involuntary movements in various body parts, including the face, arms, legs, and trunk.

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