Peripheral symptoms of intoxication commonly include mydriasis, blurred vision, flushed face, fever, dry skin
and mucous membranes, tachycardia, urinary retention,
and constipation. Central symptoms may include memory loss, disorientation, incoherence, hallucinations, psychosis, delirium, hyperactivity, twitching or jerking movements, stereotypy, and seizures.
Note the Central symptoms of twitching or jerking movements.
Dennis
PS from Drugs.