startle reaction

synonyms: startle part, startle response
https://doi.org/10.1351/goldbook.12087
Rapid physiological and psychological response to a sudden, unexpected stimulus that includes muscle contraction and avoidance posturing, with an increase in heart rate, respiration, skin conductance, and a negative affect.
Note: In the startle response test, types and intensities of reactions (e.g., motor activity) are evaluated.
See: contracture
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 906 [Terms] [Paper]
Citation: 'startle reaction' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.12087 RIS BibTex EndNote
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