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How Early-Life Antipsychotic Drug Administration Modifies Behavioral and Brain Function in Adulthood.

Mark E Bardgett1

  • 1Department of Psychological Science, Northern Kentucky University, Highland Heights, KY, USA. bardgettm@nku.edu.

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Summary
This summary is machine-generated.

Antipsychotic drug exposure in early life, before puberty, causes lasting brain and behavioral changes in animal models. This highlights the need to reduce childhood antipsychotic use and limit treatment duration.

Keywords:
AtypicalChildrenD2 receptorDopamineForebrainHaloperidolOlanzapinePostnatalPrenatalRatRisperidoneTypical

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pharmacology

Background:

  • Childhood antipsychotic prescriptions have increased significantly over 30 years.
  • Limited research exists on the impact of these drugs on developing brains.

Purpose of the Study:

  • To review preclinical studies on the effects of prenatal and early postnatal antipsychotic drug exposure.
  • To synthesize findings on short- and long-term consequences of early-life antipsychotic administration.

Main Methods:

  • Systematic review and synthesis of preclinical (animal model) studies.
  • Analysis of studies examining D2-type dopamine receptor blockade.
  • Evaluation of neurodevelopmental and behavioral outcomes.

Main Results:

  • Prenatal exposure generally leads to a long-term hypodopaminergic state.
  • Early postnatal exposure typically results in a hyperdopaminergic state.
  • Exposure before puberty causes persistent neural and behavioral alterations post-treatment.

Conclusions:

  • Early-life antipsychotic administration induces enduring changes in brain function and behavior.
  • Findings support reducing antipsychotic use in children.
  • Recommendations include limiting dose and duration for necessary treatments.