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Updated: Jul 11, 2026
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Real-time Video Projection in an MRI for Characterization of Neural Correlates Associated with Mirror Therapy for Phantom Limb Pain
Published on: April 20, 2019
[Functional magnetic resonance imaging before motor cortex stimulation for phantom limb pain]
F Koppelstaetter1, C M Siedentopf, P Rhomberg
1Univ.-Klinik für Radiologie II, Medizinische Universität, Innsbruck, Austria.
Der Nervenarzt
|September 12, 2007
Summary
Functional magnetic resonance imaging (fMRI) identified cortical reorganization in a phantom limb pain patient. This diagnostic tool aids in guiding motor cortex stimulation for pain relief.
Area of Science:
- Neuroscience
- Medical Imaging
Background:
- Phantom limb pain (PLP) is a debilitating condition following amputation.
- Conventional treatments including medication and spinal cord stimulation can fail.
Observation:
- A patient with traumatic right arm amputation and intractable PLP underwent functional magnetic resonance imaging (fMRI).
- fMRI revealed significant cortical reorganization in response to tactile stimulation and motor imagery.
Findings:
- Tactile stimulation of the perioral region and stump, along with motor imagery, induced a caudal shift in fMRI activity.
- This shift indicated a reorganization of the somatosensory and motor cortex.
Implications:
- fMRI can diagnostically identify cortical reorganization associated with PLP.
- fMRI findings support the use of motor cortex stimulation and assist in precise electrode placement for PLP treatment.
