The orbicularis oculi reflex was studied in 48 comatose patients and the results were correlated with clinical and pathological findings. The late component of the reflex was absent or of minimal amplitude in all cases regardless of the site of lesions, reflecting a diffuse suppression of the reticular system rather than a specific or local block in the brain-stem. Alteration of the early compo...

Complex regional pain syndrome (CRPS) is the current taxonomic label for a syndrome previously known by many names (reflex sympathetic dystrophy, causalgia, Sudeck’s atrophy, shoulder-hand syndrome, neuroalgodystrophy, reflex neurovascular dystrophy, etc). It is an inflammatory and neuropathic pain disorder, often involving both peripheral and central sensitization, but principally characterize...