Medical Definition of bradykinesia
: extreme slowness of movements and reflexes (such as that caused by Parkinson's disease or antipsychotic drugs) <Bradykinesia not only impedes the acceleration and slows the pace of mundane activities like walking and eating but also ultimately erases the ruffles and flourishes that make us who we are—such as talking with our hands, swinging our arms jauntily, or even raising a skeptical eyebrow.—Harriet Washington, Harvard Medical School Health Letter, May 1993>
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