Acoustic startle in maltreated children

Rafael Klorman, Dante Cicchetti, Joan E. Thatcher, James R. Ison

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


We investigated the eyeblink component of acoustic startle reactions in maltreated children. Previous research indicates that acoustic startle is enhanced in adult males with posttraumatic stress disorders (PTSD) whereas findings on women with PTSD have been inconsistent. In accord with the only previous report for children with PTSD, we found that maltreated boys, particularly those who had been physically abused, responded to increases in startle probe loudness with smaller increments in amplitude of startle eyeblink and smaller reductions in blink latency than did comparison boys. Results for girls were inconsistent: younger maltreated girls had smaller startle amplitude and slower onset latency than controls, whereas older maltreated girls exhibited the opposite pattern.

Original languageEnglish (US)
Pages (from-to)359-370
Number of pages12
JournalJournal of Abnormal Child Psychology
Issue number4
StatePublished - Aug 2003
Externally publishedYes

Bibliographical note

Funding Information:
This research was supported by grants MH47333 (RK), MH54643 and the Spunk Fund, Inc. (DC), and AG095247 (JRI). We thank Robert F. Simons for providing a program to score startle responses and Lawrence E. Ota for engineering assistance.


  • Acoustic startle
  • Maltreatment
  • Physical abuse


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