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Tay-Sachs, Canavan, Sandhoff, GM1 and related diseases

Startle response

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Term Definition
Startle response

The startle response or reflex is a normal reflex for an infant when he or she is startled or feels like they are falling. The infant will have a "startled" look and the arms will fling out sideways with the palms up and the thumbs flexed. Presence of the startle response in babies older than a few months is abnormal and associated with neurological damage. For more details visit:

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Synonyms: Moro reflex


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