First published on ARNI Institute for Stroke Rehabilitation website | March 9, 2020
Neuromodulatory non-invasive brain stimulation (NIBS) techniques are experimental therapies for improving motor function after stroke. The aim of neuromodulation is to enhance adaptive or suppress maladaptive processes of post-stroke reorganisation. However, results on the effectiveness of these methods, which include transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) are mixed. It’s posited that recent developments in NIBS technology will likely contribute to individualised therapy. Moving beyond single-area stimulation, targeting specific muscle groups that play different roles in post-stroke motor recovery (for example, finger flexors vs. extensors) may well be possible using multi-locus TMS. NIBS in stroke faces a challenge reminiscent of the development of other stroke therapies, such as thrombolysis and mechanical thrombectomy, where early studies were largely mixed before patient selection and individualising protocols were refined to determine its therapeutic potential.
So, researchers at UCL want to find out:
- How brain activity changes after someone has a stroke.
- If weak, non-invasive brain stimulation could encourage the brain into a pattern of brain activity which is useful for upper limb rehabilitation.
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Image by Gerd Altmann from Pixabay
