Cited by 98Obsessive-Compulsive Spectrum DisordersTranscranial Magnetic Stimulation StudiesNeurological disorders and treatments

Modulation of motor cortex excitability in obsessive-compulsive disorder: an exploratory study on the relations of neurophysiology measures with clinical outcome

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Mantovani, Antonio, Rossi, Simone, Bassi, Bruce D., Simpson, Helen B., Fallon, Brian A., Lisanby, Sarah H.·2013·Psychiatry Research

Abstract

Low-frequency repetitive transcranial magnetic stimulation (rTMS) to supplementary motor area (SMA) showed clinical benefit in obsessive-compulsive disorder (OCD). Here we tested whether clinical improvement was associated with enhanced cortical inhibition as measured by single and paired-pulse TMS variables. In 18 OCD patients receiving 4 weeks of either active or sham rTMS in a double-blind randomized trial, we assessed bilateral resting and active motor thresholds (RMT and AMT), cortical silent period (CSP), short-interval intracortical inhibition (SICI) and intracortical facilitation (ICF). We tested correlations between changes in Yale-Brown Obsessive Compulsive Scale-Self-report (Y-BOCS-SR), Clinical Global Impression-Severity subscale (CGI-S) and cortical excitability measures. Active rTMS increased right hemisphere RMT whose change correlated with Y-BOCS-SR improvement. Baseline RMT hemispheric asymmetry, defined as the difference between left and right hemispheres RMT, and its normalization after active rTMS correlated with Y-BOCS-SR and CGI-S improvements. Active rTMS also increased right hemisphere SICI whose change correlated with Y-BOCS-SR and CGI-S at week 4, and with normalization of baseline RMT hemispheric asymmetry. Treatment-induced changes in cortical excitability measures are consistent with an inhibitory action of SMA rTMS on dysfunctional motor circuits in OCD. Correlations of neurophysiology measures with therapeutic outcome are supportive of the role of SMA in the modulation of OCD symptoms.

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  1. Koran LM, Hanna GL, Hollander E, Nestadt G, Simpson HB, 2007 American Psychiatric Association: practice guideline for the treatment of patients with obsessive-compulsive disorder. American Journal of Psychiatry, 164;, pp. 5– 53. 17849776
  2. Mantovani A, Leckman J, Aly M, Harrison A, Murphy D, Lisanby S, 2012 Effect of transcranial magnetic stimulation (TMS) on clinical symptoms and motor cortex excitability measures in tourette's syndrome. International. Journal of Neuropsychopharmacology, 15;, pp. 1S– 271S.

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Authors
Mantovani, A., Rossi, S., Bassi, B. D., Simpson, H. B., Fallon, B. A., & Lisanby, S. H.
Affiliations
  • University of Siena (IT)
  • University of Michigan (US)
  • New York State Psychiatric Institute (US)
  • Duke University (US)
Corresponding author
Mantovani, Antonio
Venue
Psychiatry Research
Publisher
Elsevier BV
Published
2013-12
Volume
210
Issue
3
Pages
1026-1032
ISSN
0165-1781 (ISSN-L)
OpenAlex
W1981019698
Cited by
98
References
52
Citations by year
2026: 5 · 2025: 7 · 2024: 6 · 2023: 6 · 2022: 9 · 2021: 5 · 2020: 6 · 2019: 9 · 2018: 7 · 2017: 6 · 2016: 9 · 2015: 12 · 2014: 10 · 2013: 1
FWCI
11.85
Type
journal article
Language
en
Open access
Locations
  • Psychiatry Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Use Siena air (University of Siena) (submittedVersion)
Funders
  • Department of Psychiatry, Columbia University/New York State Psychiatric Institute
  • Department of Neuroscience, Siena University
  • International Obsessive Compulsive Foundation
  • NIH (K24 MH091555)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
obsessive-compulsive disorder, supplementary motor area, repetitive transcranial magnetic stimulation, motor cortex excitability, cortical inhibition, short-interval intracortical inhibition, intracortical facilitation, resting motor threshold, active motor threshold, hemispheric lateralization, cortical silent period, treatment outcomes, CGI-S
MeSH terms
Adult, Aged, Cerebral Cortex, Double-Blind Method, Female, Humans, Male, Middle Aged, Motor Cortex, Neurophysiology, Obsessive-Compulsive Disorder, Treatment Outcome, Transcranial Magnetic Stimulation

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