Definition
Visceral pain arises from the internal organs, such as the heart and the gastrointestinal tract. In contrast, somatic pain arises from the skin and deeper tissues, including muscle. The central nervous system regions activated by visceral pain in humans, including the thalamus, have been studied noninvasively with positron emission tomography (PET) and functional magnetic resonance imaging (fMRI), functional imaging techniques that measure increased regional cerebral blood flow as a marker of neuronal activation.
Characteristics
Thalamic activation (defined as a statistically significant increase in regional blood flow during the condition of interest) has been reported in many but not all functional cerebral imaging studies of visceral pain in humans. The cerebral representation of visceral pain was first...
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© 2013 Springer-Verlag Berlin Heidelberg
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Ladabaum, U. (2013). Thalamus, Clinical Visceral Pain, Human Imaging. In: Gebhart, G.F., Schmidt, R.F. (eds) Encyclopedia of Pain. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28753-4_4451
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DOI: https://doi.org/10.1007/978-3-642-28753-4_4451
Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-642-28753-4
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