Definition of startle pattern
: the complex of psychophysiological changes that is elicited in an organism by an unexpected sudden stimulus (such as a loud noise) and includes tremor, sweating, palpitation, dry mouth, and a feeling of fear or panic sometimes followed by escape or avoidance reactions
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up startle pattern? Please tell us where you read or heard it (including the quote, if possible).