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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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Deep Brain Stimulation with Simultaneous fMRI in Rodents
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Combining functional imaging with brain stimulation in Parkinson's disease.

Ignacio Obeso1, Nicola J Ray, Francesca Antonelli

  • 1Toronto Western Research Institute and Hospital, University Health Network, University of Toronto, Toronto, Canada.

International Review of Psychiatry (Abingdon, England)
|December 28, 2011
PubMed
Summary

Deep brain stimulation (DBS) and transcranial magnetic stimulation (TMS) can alter brain activity for neurological disorders. Combining these with neuroimaging helps understand how they impact motor, cognitive, and behavioral functions in Parkinson's disease.

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Area of Science:

  • Neuroscience
  • Neurology
  • Psychiatry

Background:

  • Deep brain stimulation (DBS) and transcranial magnetic stimulation (TMS) are advanced tools for studying brain mechanisms in neurological and psychiatric diseases.
  • These techniques show potential for modulating brain activity and function, but their precise mechanisms of action remain under investigation.
  • Functional neuroimaging is crucial for understanding how brain stimulation influences neuronal activity and networks.

Purpose of the Study:

  • To review current research on the effects of DBS and TMS in Parkinson's disease (PD).
  • To emphasize the role of neuroimaging in elucidating the mechanisms of brain stimulation in PD.
  • To explore the impact of these techniques on motor, cognitive, and behavioral aspects of PD.

Main Methods:

  • Review of existing literature on DBS and TMS in Parkinson's disease.
  • Focus on studies combining brain stimulation with functional neuroimaging techniques.
  • Analysis of research investigating effects on motor, cognitive, and behavioral outcomes.

Main Results:

  • Neuroimaging combined with DBS and TMS provides insights into how brain stimulation affects neural networks in PD.
  • Evidence suggests these techniques can modulate motor, cognitive, and behavioral functions in Parkinson's disease patients.
  • The precise mechanisms by which DBS and TMS yield clinical outcomes are increasingly being understood through integrated approaches.

Conclusions:

  • The combination of brain stimulation techniques (DBS, TMS) and neuroimaging is vital for understanding their therapeutic effects in Parkinson's disease.
  • Further research is needed to fully elucidate the complex neural mechanisms underlying the observed clinical improvements.
  • This review highlights the progress made in understanding how these interventions impact motor, cognitive, and behavioral symptoms in PD.