startle response

startle response
noun
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
Syn: ↑startle reaction
Hypernyms: ↑startle, ↑jump, ↑start

* * *

noun

Useful english dictionary. 2012.

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  • Startle reaction — The startle reaction, also called the startle response, startle reflex or alarm reaction, is the response of mind and body to a sudden unexpected stimulus, such as a flash of light, a loud noise (acoustic startle reflex), or a quick movement near …   Wikipedia

  • startle reaction — noun 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 • Syn: ↑startle response • Hypernyms: ↑startle, ↑jump, ↑start * * *… …   Useful english dictionary

  • startle pattern — noun or startle reaction or startle response : the complex of psychophysiological changes that is elicited in an organism by an unexpected sudden stimulus (as a loud noise) and includes tremor, sweating, palpitation, dry mouth, and a feeling of… …   Useful english dictionary

  • startle reaction — ▪ psychology also called  Startle Pattern,         an extremely rapid psychophysiological response of an organism to a sudden and unexpected stimulus such as a loud sound or a blinding flash of light. In human beings it is characterized by… …   Universalium

  • Startle reflex — A reflex seen in normal infants in response to a loud noise. The infant with make a sudden body movement, bringing the legs and arms toward the chest. * * * see Moro reflex * * * 1. Moro r. 2. see under reaction …   Medical dictionary

  • Disease, exaggerated startle — A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of… …   Medical dictionary

  • Disease, startle — A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of… …   Medical dictionary

  • Exaggerated startle disease — A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of… …   Medical dictionary

  • Galvanic skin response — (GSR), also known as electrodermal response (EDR), psychogalvanic reflex (PGR), or skin conductance response (SCR), is a method of measuring the electrical resistance of the skin. There has been a long history of electrodermal activity research,… …   Wikipedia

  • Orienting response — The orienting response, also called orienting reflex, is an organism s immediate response to a change in its environment, when that change is not sudden enough to elicit the startle reflex. The phenomenon was first described by Russian… …   Wikipedia

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