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Organizational behavior of the premature infant
Birth Defects Original Article Series
|January 1, 1979
Insights
Premature infants show distinct heart rate responses to sound. Younger premature infants (31 weeks) decelerate heart rate, while older ones (32-36 weeks) accelerate then decelerate, indicating developing behavioral organization.
Area of Science:
- Neonatal physiology
- Developmental neuroscience
- Auditory processing in infants
Background:
- Premature infants exhibit varying abilities to organize behavior.
- Sensory stimulation (auditory, kinesthetic, vestibular) influences infant development.
- Understanding premature infant responses is crucial for developmental care.
Purpose of the Study:
- To investigate the behavioral organization of premature infants.
- To describe heart rate responses to auditory stimuli in premature infants.
- To correlate gestational age with auditory response patterns.
Main Methods:
- Studied twenty premature infants (31-36 weeks gestation).
- Applied auditory stimuli to assess responses.
- Monitored heart rate changes as an indicator of response.
Main Results:
- All twenty infants demonstrated heart rate changes in response to auditory stimuli.
- Infants at 31 weeks gestation exhibited heart rate deceleration.
- Infants between 32-36 weeks gestation showed acceleration followed by deceleration.
Conclusions:
- Premature infants' heart rate responses to auditory stimuli vary with gestational age.
- These distinct patterns suggest developing behavioral organization capabilities.
- Auditory stimulation can be used to assess neurological maturity in premature infants.
Abstract:
The ability of the premature infant to organize behavior was described in relation to auditory, kinesthetic, and vestibular stimulation. Twenty infants from 31--36 weeks gestation were shown to have heart rate responses to auditory stimuli. The 31 week infant showed deceleration, while 32--36 week infants showed comparable patterns of acceleration followed by deceleration.