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Related Experiment Videos

Stimulant withdrawal

J A Lago1, T R Kosten

  • 1Yale University School of Medicine, Department of Psychiatry Substance Abuse Research Center, Connecticut.

Addiction (Abingdon, England)
|November 1, 1994
PubMed
Summary
This summary is machine-generated.

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Stimulant abstinence shows biological changes, but a distinct withdrawal phase is debated. Research indicates varied symptoms and brain activity shifts, necessitating further investigation into acute versus chronic post-use effects.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Pharmacology

Background:

  • Stimulant use disorder is a significant public health concern.
  • Understanding abstinence symptomatology is crucial for effective treatment.
  • Previous research on stimulant withdrawal has yielded conflicting results.

Purpose of the Study:

  • To review the existing literature on abstinence symptoms following stimulant use.
  • To explore biological and physical changes observed during stimulant abstinence.
  • To examine proposed models of stimulant abstinence and their empirical support.

Main Methods:

  • Literature review of studies on stimulant abstinence.
  • Analysis of findings from outpatient and inpatient studies.
  • Examination of biological measures including neuroimaging (PET, FDG) and hormonal assays.

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Main Results:

  • Evidence suggests biological and physical changes during abstinence, including altered brain glucose metabolism and dopamine D2 receptor binding.
  • One outpatient study proposed a phasic model (crash, withdrawal, extinction), which was not supported by two inpatient studies.
  • Inpatient studies reported gradual mood improvement without a distinct 'crash' phase over 21-28 days.

Conclusions:

  • Definitive physical withdrawal symptoms in stimulant abstinence are less clear compared to other substances like alcohol or opiates.
  • Amphetamine withdrawal symptoms appear similar to cocaine withdrawal.
  • Further research is required to clearly distinguish between acute and chronic post-stimulant use symptoms.