Startle reaction

{
  "id": "MLC-T-CHM-011321",
  "term": "Startle reaction",
  "field": "Chemistry",
  "definition": "A rapid, involuntary physiological and behavioral response to a sudden, intense sensory stimulus, such as a loud noise or a sudden touch. This reflex involves a cascade of muscle contractions, particularly in the neck and trunk, and is mediated by primitive brainstem circuits. It serves as a protective mechanism to prepare the body for potential danger.",
  "synonyms": [
    "startle part",
    "startle response"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "contracture"
  ],
  "references": [
    "PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 906 (https://doi.org/10.1515/pac-2015-0103)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/startle-reaction/"
}