Sentences with phrase «from painful stimuli»
The nervous system is so sophisticated and sensitive that it actually stimulates your muscles to contract so you can move away from the painful stimulus without your brain having to tell the muscles to contract.
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Compared to other accepted monitors for measuring the body's response to painful stimulation during surgery, the nociception (pain) index better discriminated presumed pain - causing stimuli from non-pain-causing stimuli.
As its temperature varied from pleasant (near body temperature) to painful (49 degrees Celsius), subjects had to rate both pain intensity and pain unpleasantness of the noxious stimulus.
The study focuses on the activity of the neurons located in the dorsal horn, where painful stimuli from any injured area of the body and analgesic information coming from the brain begin to be processed.
When comparing brain responses from each trial, the group identified several brain structures that were more or less active before and during the painful stimulus in those who experienced a placebo effect.
The receptor transmits other types of painful stimuli in addition to the chili's sting, and knowing where capsaicin binds narrows down the range of molecules that could prevent the receptor from sending pain impulses.
While there is at this time no clear explanation for chronic pain, recent work on the nervous system suggests that it may result from pathological changes in the nervous mechanisms that result in pain continuing and non-painful stimuli being perceived as painful.