In vivo distribution of opioid receptors in man in relation to the cortical projections of the medial and lateral pain systems measured with positron emission tomography
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Cortical Modulation of Nociception
2021, NeuroscienceAcute Exercise Modulates Pain-induced Response on Sensorimotor Cortex ∼20 Hz Oscillation
2020, NeuroscienceCitation Excerpt :Previous research has suggested that beta band oscillatory activity could have a role in neural communication between cortical and subcortical networks (Hari et al., 1997; Cheyne, 2013). In addition, intracranial motor cortex stimulation has been reported to relieve neuropathic pain, possibly via endogenous opioid secretion, especially from periaqueductal gray and anterior and middle cingulate cortices, which receive projections from MI (Maarrawi et al., 2007; Peyron et al., 2007) and are reported to have high density of opioid receptors (Jones, et al., 1991). Comparable effect has been also reported in trained athletes after aerobic exercise, indicating that endurance exercise may mediate antinociceptive mechanism possibly due to an elevated opioidergic tone in the brain resulting from long-term exercise (Scheef et al., 2012).
Cingulate-mediated approaches to treating chronic pain
2019, Handbook of Clinical Neurology