8A07.2
Excessive startle reflex
Reflexo de sobressalto excessivo
CategoryDefinition
Exaggerated startle reaction (eye blinking, muscle jerks, body spasms) that occur in response to unexpected stimuli. May be secondary to hyperkeplexia, myoclonic neurological diseases, or neuropsychiatric disorders.
Index Terms
Excessive startle reflexHereditary hyperekplexia due to Glycine receptor subunit mutationsHyperekplexia due to certain specified neuropsychiatric disorder