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(Redirected from Startle Reaction)
The 'startle reaction', also called 'startle response' or 'alarm reaction', is the response of mind and body to a sudden unexpected stimulus, such as a flash of light, a loud noise, or a quick movement near the face. In human beings, the reaction includes physical movement away from the stimulus, a contraction of the muscles of the arms and legs, and often blinking. It also includes blood pressure, respiration, and breathing changes. The muscle reactions generally resolve themselves in a matter of seconds. The other responses take somewhat longer. An exaggerated startle reaction is called hyperexplexia (also hyperekplexia) The exaggerated startle response is often seen in patients with Post Traumatic Stress Disorder (PTSD).
★ Moro reflex ("Startle reflex")
★ Prepulse inhibition - attenuation of the startle response after a weaker preceding stimulus, or ''prepulse''.
★ Surprise (emotion)
★ Startle Response and PTSD
The 'startle reaction', also called 'startle response' or 'alarm reaction', is the response of mind and body to a sudden unexpected stimulus, such as a flash of light, a loud noise, or a quick movement near the face. In human beings, the reaction includes physical movement away from the stimulus, a contraction of the muscles of the arms and legs, and often blinking. It also includes blood pressure, respiration, and breathing changes. The muscle reactions generally resolve themselves in a matter of seconds. The other responses take somewhat longer. An exaggerated startle reaction is called hyperexplexia (also hyperekplexia) The exaggerated startle response is often seen in patients with Post Traumatic Stress Disorder (PTSD).
| Contents |
| See also |
| External links |
See also
★ Moro reflex ("Startle reflex")
★ Prepulse inhibition - attenuation of the startle response after a weaker preceding stimulus, or ''prepulse''.
★ Surprise (emotion)
External links
★ Startle Response and PTSD
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