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Post-traumatic stress disorder (PTSD) often co-occurs with chronic pain. Neither the underlying mechanism of this comorbidity nor the nature of pain perception among subjects with PTSD is well defined. This study is the first systematic and quantitative evaluation of pain perception and chronic pain in subjects with PTSD. The study group consisted of 32 outpatients with combat- and terror-related...
To study whether the nociceptive withdrawal reflex (WR) and pain sensation are differentially affected by supraspinal modulation and to determine the nature of this modulation.The WR and pain sensation elicited by electrical stimulation were measured in complete spinal cord injury (SCI) subjects and in intact controls under two different experimental conditions; “facilitation” and “neutral” control...
The aims of this study were to explore: (a) the interrelation between spatial summation (SS) and spatial discrimination (SD) of pain, (b) whether the two phenomena are subserved by different sensory channels. SS and SD of pain were measured with contact heat stimuli delivered at slow (0.50°C/s) and fast (40°C/s) rise times. Pressure nerve block of the radial nerve was employed to assess whether differential...
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