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Recovery mechanisms of somatosensory function in stroke patients: implications of brain imaging studies

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Abstract

Somatosensory dysfunction is associated with a high incidence of functional impairment and safety in patients with stroke. With developments in brain mapping techniques, many studies have addressed the recovery of various functions in such patients. However, relatively little is known about the mechanisms of recovery of somatosensory function. Based on the previous human studies, a review of 11 relevant studies on the mechanisms underlying the recovery of somatosensory function in stroke patients was conducted based on the following topics: (1) recovery of an injured somatosensory pathway, (2) peri-lesional reorganization, (3) contribution of the unaffected somatosensory cortex, (4) contribution of the secondary somatosensory cortex, and (5) mechanisms of recovery in patients with thalamic lesions. We believe that further studies in this field using combinations of diffusion tensor imaging, functional neuroimaging, and magnetoencephalography are needed. In addition, the clinical significance, critical period, and facilitatory strategies for each recovery mechanism should be clarified.

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  1. Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Taegu, 705-717, Republic of Korea

    Sung Ho Jang

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Jang, S.H. Recovery mechanisms of somatosensory function in stroke patients: implications of brain imaging studies. Neurosci. Bull. 29, 366–372 (2013). https://doi.org/10.1007/s12264-013-1315-1

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