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startle reaction

/ˈstɑːrtl riˈækʃən/

Traduction: Réaction involontaire, physiologique et psychologique, à un stimulus soudain et inattendu tel qu'un bruit fort ou un mouvement brusque, impliquant souvent une tension musculaire, un clignement des yeux et un bref sursaut ou figement.

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phrase

/ˈstɑːrtl riˈækʃən/C1formalscientific
  • frRéaction involontaire, physiologique et psychologique, à un stimulus soudain et inattendu tel qu'un bruit fort ou un mouvement brusque, impliquant souvent une tension musculaire, un clignement des yeux et un bref sursaut ou figement.

An involuntary physiological and psychological response to a sudden, unexpected stimulus such as a loud noise or abrupt movement, often involving muscle tension, blinking, and a brief freeze or jump.

  1. Involuntary response to sudden stimulusC1formal

    A rapid, involuntary physiological and behavioral response to an unexpected, sudden, or intense stimulus, such as a loud noise or a sudden movement.

    frréaction de sursaut

    • The startle reaction to the door slamming caused him to drop his coffee.
    • Researchers measured the startle reaction in participants by playing a sudden loud tone.
    • A strong startle reaction is a normal part of the human defense system.