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Related Experiment Videos

Passive avoidance performance following neonatal alcohol exposure.

S Barron1, E P Riley

  • 1Department of Psychology, San Diego State University, CA 92182.

Neurotoxicology and Teratology
|March 1, 1990
PubMed
Summary
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Neonatal alcohol exposure impaired response inhibition in rats, particularly in females. This highlights potential sex-based differences in alcohol

Area of Science:

  • Neuroscience
  • Developmental Psychology

Background:

  • Prenatal alcohol exposure is linked to cognitive deficits, including impaired response inhibition.
  • Neonatal alcohol exposure models the human third trimester brain growth spurt.

Purpose of the Study:

  • To investigate the effects of neonatal alcohol exposure on response inhibition using a passive avoidance task.
  • To examine potential sex differences in alcohol's impact on cognitive function during development.

Main Methods:

  • Artificially reared (AR) rats received ethanol (6 g/kg or 4 g/kg) or control treatments from gestation day (GD) 26-32.
  • Subjects were tested on passive avoidance acquisition and 24-hr retention at 23 days old.

Main Results:

  • Female rats exposed to 6 g/kg ethanol required more trials to reach criterion in both acquisition and retention.

Related Experiment Videos

  • Neonatal alcohol exposure demonstrated effects on response inhibition, with notable sex differences.

    • Conclusions:

    • Neonatal alcohol exposure can lead to deficits in response inhibition.
    • Differential sex sensitivity to alcohol's neurodevelopmental effects may exist.