P 23 fMRI-mapping of somatosensory finger representation in complex regional pain syndrome

Somatosensory deficits are often reported in patients with complex regional pain syndrome (CRPS). In particular reduced spatial tactile resolution is a typical clinical finding in CRPS patients. The detailed underlying mechanism for development and preservation of these deficits is not yet fully understood.However, a systematic review of studies on pain representation and cerebral representation showed a smaller representation of the hand in the primary somatosensory cortex (S1) contralateral to the affected upper limb (Di Pietro et al., 2013).

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