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Signs of overstimulation in premature infants

Extremely premature infants are born before the nervous system is mature enough to handle outside stimuli without becoming overstimulated. Such an infant is said to have a disorganized nervous system.

If your premature infant has a disorganized nervous system, you may notice physical reactions (destabilization) in the presence of too much sound, touch, movement, or light, including:

  • A drop in blood oxygen levels (oxygen desaturation).
  • A drop in heart rate (bradycardia).
  • A rapid heart rate (tachycardia).
  • Looking away from you when you speak or make eye contact, a more subtle sign of overstimulation.

If you see such signs, give your infant some peace and quiet. The next time you're together, try only one stimulus at a time (such as touch or voice, but not both).

Author Debby Golonka, MPH
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Pat Truman, MATC
Primary Medical Reviewer Michael J. Sexton, MD
- Pediatrics
Specialist Medical Reviewer Jennifer Merchant, MD
- Neonatal-Perinatal Medicine
Last Updated May 8, 2007

WebMD Medical Reference from Healthwise

Last Updated: May 08, 2007
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.