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Of reflex.   May also be referred to as start and startle.

A sudden involuntary movement; "he awoke with a start".

This concept's ID is @1~4502

Contains

  • startle response 0 facts

    A complicated involuntary reaction to a sudden unexpected stimulus (especially...

  • startle reflex 0 facts

    A normal reflex of young infants; a sudden loud noise causes the child to stretch...

  • wince 0 facts

    A reflex response to sudden pain.