"startle response"@en-us . . . . "a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise); involves flexion of most skeletal muscles and a variety of visceral reactions"@en-us . "0"^^ . . . "100865031"^^ . "0"^^ . . "startle reaction"@en-us . "100813363"@en-us . . . . . . "startle response"^^ . "00865031-n"^^ .