Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Startle reflex

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Startle reflex: A reflex seen in normal infants in response to a loud noise. The infant makes a sudden body movement, bringing the legs and arms toward the chest.

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