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Related Experiment Videos

Cocaine-induced alterations in neuro-development

B E Kosofsky1

  • 1Laboratory of Molecular and Developmental Neuroscience, Massachusetts General Hospital-East, Charlestown 02129, USA.

Seminars in Speech and Language
|June 11, 1998
PubMed
Summary

Prenatal cocaine exposure can harm infant brain development, leading to lasting behavioral issues like attention and impulsivity problems. Understanding these effects is crucial for early intervention and support.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Toxicology

Background:

  • Prenatal drug exposure is a major cause of infant developmental issues.
  • Cocaine exposure in utero may act as a behavioral teratogen, impacting fetal brain development.
  • Outcomes vary based on exposure levels, genetics, and postnatal environment.

Purpose of the Study:

  • To explain cocaine's effects on neurodevelopment.
  • To outline potential underlying mechanisms of these changes.
  • To discuss clinical implications for affected children.

Main Methods:

  • Review of clinical and preclinical data on prenatal cocaine exposure.
  • Analysis of behavioral and developmental outcomes in exposed infants.
  • Exploration of factors influencing developmental trajectories.

Main Results:

  • Some cocaine-exposed neonates show altered arousal and habituation.
  • Persistent subtle behavioral deficits, including attention and impulsivity challenges, are observed.
  • A spectrum of developmental outcomes exists, influenced by multiple factors.

Conclusions:

  • Cocaine exposure during pregnancy can lead to significant neurodevelopmental alterations.
  • These alterations can manifest as difficulties in attention, impulsivity, and responsiveness.
  • Further research and clinical attention are needed to address the long-term consequences.

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