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Related Experiment Video

Updated: May 30, 2026

Presynaptic Dopamine Dynamics in Striatal Brain Slices with Fast-scan Cyclic Voltammetry
08:49

Presynaptic Dopamine Dynamics in Striatal Brain Slices with Fast-scan Cyclic Voltammetry

Published on: January 12, 2012

Sub-second dopamine detection in human striatum.

Kenneth T Kishida1, Stefan G Sandberg, Terry Lohrenz

  • 1Human Neuroimaging Laboratory, Virginia Tech Carilion Research Institute, Roanoke, Virginia, United States of America.

Plos One
|August 11, 2011
PubMed
Summary
This summary is machine-generated.

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See all related articles

Researchers modified fast-scan cyclic voltammetry technology for sub-second dopamine measurements in humans. This breakthrough enables real-time dopamine level monitoring in the brain during surgery, advancing decision-making research.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Analytical Chemistry

Background:

  • Fast-scan cyclic voltammetry (FSCV) enables rapid, sub-second monitoring of neurotransmitter release.
  • Existing FSCV technology is primarily used in animal models for dopamine detection.

Purpose of the Study:

  • To adapt and validate FSCV technology for sub-second dopamine measurements in the human brain.
  • To demonstrate the feasibility of in vivo human dopamine detection during neurosurgical procedures.

Main Methods:

  • Modification of carbon fiber microelectrodes for human brain compatibility.
  • In vitro and in vivo validation of modified electrodes using rat models.
  • Acute measurement of dopamine release in the human caudate nucleus during Deep Brain Stimulation (DBS) electrode implantation surgery.

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Assessment of Dopaminergic Homeostasis in Mice by Use of High-performance Liquid Chromatography Analysis and Synaptosomal Dopamine Uptake
11:26

Assessment of Dopaminergic Homeostasis in Mice by Use of High-performance Liquid Chromatography Analysis and Synaptosomal Dopamine Uptake

Published on: September 21, 2017

Related Experiment Videos

Last Updated: May 30, 2026

Presynaptic Dopamine Dynamics in Striatal Brain Slices with Fast-scan Cyclic Voltammetry
08:49

Presynaptic Dopamine Dynamics in Striatal Brain Slices with Fast-scan Cyclic Voltammetry

Published on: January 12, 2012

Assessment of Dopaminergic Homeostasis in Mice by Use of High-performance Liquid Chromatography Analysis and Synaptosomal Dopamine Uptake
11:26

Assessment of Dopaminergic Homeostasis in Mice by Use of High-performance Liquid Chromatography Analysis and Synaptosomal Dopamine Uptake

Published on: September 21, 2017

Main Results:

  • Modified electrodes successfully measured stimulated dopamine release in rats, consistent with previous findings.
  • Sub-second dopamine release was acutely measured in the human caudate nucleus during surgery.
  • The developed technology shows high potential for real-time dopamine level monitoring in humans.

Conclusions:

  • Adapted FSCV technology provides a feasible method for sub-second dopamine measurements in the human brain.
  • This technique opens new avenues for studying dopamine's role in human decision-making and neurological disorders.
  • Real-time dopamine monitoring during surgery offers unprecedented insights into brain function.