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TMS and drugs.

Ulf Ziemann1

  • 1Motor Cortex Laboratory, Clinic of Neurology, Johann Wolfgang Goethe University Frankfurt, Schleusenweg 2-16, D-60528 Frankfurt am Main, Germany. u.ziemann@em.uni-frankfurt.de

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
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Summary
This summary is machine-generated.

This review explores how transcranial magnetic stimulation (TMS) can assess drug effects on brain activity and how drugs influence TMS measures. It highlights TMS as a tool for studying drug actions and brain responses.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Neurophysiology

Background:

  • Transcranial magnetic stimulation (TMS) offers measures of cortical excitability.
  • Central nervous system (CNS) drugs impact neurotransmitter systems.
  • Understanding drug-CNS interactions is crucial in neuropharmacology.

Purpose of the Study:

  • To review the intricate relationship between TMS and drugs.
  • To explore TMS as a tool for characterizing drug effects on the brain.
  • To investigate drug-induced changes in cortical excitability.

Main Methods:

  • Utilizing single-dose CNS active drugs to test TMS pharmaco-physiological properties.
  • Employing TMS measures as biomarkers for acute drug effects.
  • Applying arrays of TMS measures to study drugs with complex or unknown mechanisms.

Main Results:

  • Single drug doses can validate TMS measures of cortical excitability.
  • TMS measures can serve as biological markers for acute drug effects.
  • TMS can reveal patterns of drug action, including acute vs. chronic differences and drug-induced neurochemical changes.

Conclusions:

  • TMS is a versatile tool for studying drug effects on cortical excitability.
  • TMS can elucidate drug mechanisms and differentiate acute from chronic effects.
  • Investigating TMS-induced changes in endogenous neurotransmitters is a key area of focus.