Video 1.
Harmaline-induced Tremor.
Subcutaneous administration of 20 mg/kg harmaline induced whole-body tremor in a mouse, whereas the saline-injected control mouse had no tremor. The harmaline-treated mouse exhibited action tremor in the body and tail during locomotion, as well as forelimb postural and action tremor. The harmaline-treated mouse also had intermittent rest tremor. The control mouse did not have any action tremor or forelimb tremors.