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  2. Congenital insensitivity to pain - Wikipedia

    en.wikipedia.org/wiki/Congenital_insensitivity...

    A patient and doctor discuss congenital insensitivity to pain. For people with this disorder, cognition and sensation are otherwise normal; for instance, patients can still feel discriminative touch (though not always temperature [3]), and there are generally no detectable physical abnormalities.

  3. Congenital insensitivity to pain with anhidrosis - Wikipedia

    en.wikipedia.org/wiki/Congenital_insensitivity...

    Since people with this condition are unable to sweat, they are unable to properly regulate their body temperature. [1] Those affected are unable to feel pain and temperature. [2] [3] The absence of pain experienced by people with CIPA puts them at high risk for accidental self-injury. Corneal ulceration occurs due to lack of protective impulses ...

  4. Nociceptor - Wikipedia

    en.wikipedia.org/wiki/Nociceptor

    ' pain receptor ') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1] [2] [3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception.

  5. Gate control theory - Wikipedia

    en.wikipedia.org/wiki/Gate_control_theory

    Afferent pain-receptive nerves, those that bring signals to the brain, comprise at least two kinds of fibers - a fast, relatively thick, myelinated "Aδ" fiber that carries messages quickly with intense pain, and a small, unmyelinated, slow "C" fiber that carries the longer-term throbbing and chronic pain. Large-diameter Aβ fibers are ...

  6. 8 surprising ways your brain powers the rest of your body - AOL

    www.aol.com/8-surprising-ways-brain-powers...

    And that helps people feel happier, healthier, and more in control. Sign up now! 2. Your brain uses a lot of energy. ... But the brain itself has no pain receptors. That headache pain is coming ...

  7. Allodynia - Wikipedia

    en.wikipedia.org/wiki/Allodynia

    Allodynia is a condition in which pain is caused by a stimulus that does not normally elicit pain. [1] For example, sunburn can cause temporary allodynia, so that usually painless stimuli, such as wearing clothing or running cold or warm water over it, can be very painful.

  8. Crabs can actually feel pain as scientists call for humane ...

    www.aol.com/scientists-call-humane-ways-cook...

    However, information on the presence of specialised pain receptors in their body that detect such stimuli has remained elusive – until now. ... Why people are raving about 75 Hard 'mental ...

  9. Hypoalgesia - Wikipedia

    en.wikipedia.org/wiki/Hypoalgesia

    In the case of hypoalgesia, a decreased response to pain would be very beneficial in a situation where an organism's life was at stake, since feeling pain would be a hindrance rather than a help. It has been well documented that fear does cause a decrease in pain response, [ 6 ] however much like the exercise induced hypoalgesia, the exact ...