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Behavioral sensitization in humans.

K W Sax1, S M Strakowski

  • 1Bipolar and Psychotic Disorders Research Program, Department of Psychiatry, University of Cincinnati College of Medicine, OH 45267-0559, USA.

Journal of Addictive Diseases
|October 30, 2001
PubMed
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Behavioral sensitization, an amplified response to repeated stimulant use, is observed in humans, mirroring animal models. This phenomenon may inform our understanding of stimulant dependence development and requires further investigation into human neurobiology.

Area of Science:

  • Neuroscience
  • Psychology
  • Pharmacology

Background:

  • Behavioral sensitization is a key concept in understanding stimulant dependence.
  • This phenomenon, characterized by progressively enhanced behavioral responses to repeated stimulant administration, has been extensively studied in animal models.
  • Its relevance to human stimulant dependence is significant but under-researched.

Purpose of the Study:

  • To review the existing evidence for behavioral sensitization in human subjects.
  • To compare human sensitization findings with established animal models.
  • To highlight the need for further research into human sensitization characteristics and underlying neurobiological mechanisms.

Main Methods:

  • Review of existing literature on behavioral sensitization studies in human subjects.

Related Experiment Videos

  • Comparison of observed human responses to repeated stimulant administration with animal sensitization data.
  • Identification of gaps in current research regarding human sensitization.

    • Main Results:

    • Studies in human subjects indicate that repeated stimulant administration can lead to enhanced behavioral responses.
    • These human responses appear to resemble the phenomenon of sensitization observed in animal models.
    • Limited human studies exist, highlighting a gap in the application of this model to humans.

    Conclusions:

    • Behavioral sensitization is a plausible phenomenon in humans, potentially modeling aspects of stimulant dependence.
    • Further research is crucial to fully characterize human behavioral sensitization.
    • Future studies should focus on the neurobiological systems involved in human sensitization.