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Advances in cortical modulation of pain

Authors Quintero GC

Received 30 March 2013

Accepted for publication 15 August 2013

Published 19 September 2013 Volume 2013:6 Pages 713—725


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 6

Gabriel C Quintero

Florida State University – Panama, Neuroscience, Republic of Panama; Smithsonian Tropical Research Institute (STRI), Balboa, Republic of Panama

Abstract: Pain is an intricate phenomenon composed of not only sensory-discriminative aspects but also of emotional, cognitive, motivational, and affective components. There has been ample evidence for the existence of an extensive cortical network associated with pain processing over the last few decades. This network includes the anterior cingulate cortex, forebrain, insular cortex, ventrolateral orbital cortex, somatosensory cortex, occipital cortex, retrosplenial cortex, motor cortex, and prefrontal cortex. Diverse neurotransmitters participate in the cortical circuits associated with pain processing, including glutamate, gamma-aminobutyric acid, dopamine, and opioids. This work examines recent rodent studies about cortical modulation of pain, mainly at a molecular level.

Keywords: pain, glutamate, glia, cingulate cortex, somatosensory cortex, insular cortex

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