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  2. 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 ...

  3. Electroanalgesia - Wikipedia

    en.wikipedia.org/wiki/Electroanalgesia

    It works by interfering with the electric currents of pain signals, inhibiting them from reaching the brain and inducing a response; different from traditional analgesics, such as opiates which mimic natural endorphins and NSAIDs (non-steroidal anti-inflammatory drugs) that help relieve inflammation and stop pain at the source.

  4. Wide dynamic range neuron - Wikipedia

    en.wikipedia.org/wiki/Wide_dynamic_range_neuron

    Another type of pain, known as neuropathic pain, is caused by a direct problem or disease that affects the nerves in the central nervous system. [11] The sensory pathways the WDR neurons can play a role in. A subset of this neuropathic pain, known as chronic neuropathic pain, is characterized by its long lasting and high pain intensity.

  5. What Is Chronic Pain? Here Are the Symptoms, Causes, and ...

    www.aol.com/lifestyle/chronic-pain-symptoms...

    Chronic pain doesn’t just come from neurological signals. It might create its own, finds a 2019 study in the International Journal of Molecular Sciences that reviewed brain imaging studies.

  6. Nociception - Wikipedia

    en.wikipedia.org/wiki/Nociception

    The hypothalamus signals for the release of hormones that make pain suppression more effective; some of these are sex hormones. Periaqueductal grey (with hypothalamic hormone aid) hormonally signals reticular formation's raphe nuclei to produce serotonin that inhibits laminae pain nuclei. [15] Lateral spinothalamic tract aids in localization of ...

  7. Chronic pain - Wikipedia

    en.wikipedia.org/wiki/Chronic_pain

    People with chronic pain tend to have higher rates of depression [100] and although the exact connection between the comorbidities is unclear, a 2017 study on neuroplasticity found that "injury sensory pathways of body pains have been shown to share the same brain regions involved in mood management." [101] Chronic pain can contribute to ...

  8. 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.

  9. 10 Surprising Causes of Back Pain - AOL

    www.aol.com/lifestyle/10-surprising-causes-back...

    "Obesity is a major factor in causing acute and chronic back pain due to several factors, including the overload on the spinal column," says Dr. Medhat Mikhael, MD, a pain management specialist ...

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