hyperkinesia is the disorder of abnormally slow movements.
what is the disorder of abnormally slow movements?
hyperkinesia
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rather than playing entire compositions, he tended to play only the portions he liked, generally preferring the fast movements and omitting the slow ones. occasionally he would play a piece, say "wasn't that wonderful? let's play it again!" and would play it again. another quirky habit was to reply to those who criticized his omission of slow movements. he would occasionally deny doing this, and purport to demonstrate his love for slow movements as well by playing one. but this would then be followed by a super otw fast movement and no further slow movements would be heard on his show.
seymour dekoven