startle reflex
— Noun
– English
~ a normal reflex of young infants; a sudden loud noise causes the child to stretch out the arms and flex the legs
startle reaction
— Noun
– English
~ 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
startle
— Noun
– English
~ a sudden involuntary movement; "he awoke with a start"
startle response
— Noun
– English
~ 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