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Updated: Nov 20, 2025

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Vulnerability to addiction.

R Maldonado1, P Calvé2, A García-Blanco2

  • 1Laboratory of Neuropharmacology-Neurophar, Department of Experimental and Health Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain; Hospital Del Mar Medical Research Institute (IMIM), Barcelona, Spain.

Neuropharmacology
|January 22, 2021
PubMed
Summary
This summary is machine-generated.

This review explores brain networks and innovative technologies for understanding addiction, a chronic brain disease. It highlights how techniques like DREADDs and calcium imaging advance addiction research and treatment development.

Keywords:
AddictionCalcium imagingDREADDDSM-5ElectrophysiologyInhibitory controlTherapeutic approach

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Area of Science:

  • Neuroscience
  • Psychiatry

Background:

  • Addiction is a chronic brain disease with significant global health and socioeconomic impacts.
  • Decades of research have focused on its neurobiological underpinnings and treatment development.

Purpose of the Study:

  • To review brain networks implicated in addiction vulnerability.
  • To summarize innovative technological approaches for investigating neural circuits in addiction.

Main Methods:

  • Review of the evolution of addiction definitions (DSM).
  • Discussion of advanced experimental techniques: Designer Receptors Exclusively Activated by Designer Drugs (DREADDs), calcium imaging, and electrophysiology.
  • Integration of these techniques with behavioral approaches.

Main Results:

  • These techniques have enabled critical advances in understanding addiction-related neural circuits.
  • They have clarified the neurobiological basis of various components of the addictive process.
  • Novel tools targeting specific brain regions offer insights into complex aspects of addiction.

Conclusions:

  • Innovative technologies are crucial for dissecting the neurobiology of addiction vulnerability.
  • Further understanding of specific neural circuits can inform novel therapeutic strategies.
  • This work contributes to the special issue on 'Vulnerabilities to Substance Abuse'.