File:Filename1.jpg
Figure 1. A schematic representation of how the thermal grill might produce an illusion of pain and illustrates the pathways described by Craig et al. Cool stimuli excite the spinothalamic pathway through the VMpo (purple), which subsequently inhibits the pathway through the MDvc (turquoise). In the thermal grill experiment both pathways are excited by the 20 oC stimulation (blue). The warm, 40 oC, bars (red), however, also inhibit the VMpo, but not the MDvc pathway, resulting in less excitation entering the inhibitory pathway. The net output is through the MDvc pathway to the anterior cingulate cortex resulting in the experience of a burning pain. Developed from Derbyshire [5].
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:39, 5 January 2010 | | 521 × 510 (115 KB) | Stuart Derbyshire (Talk | contribs) | Figure 1. A schematic representation of how the thermal grill might produce an illusion of pain and illustrates the pathways described by Craig et al. Cool stimuli excite the spinothalamic pathway through the VMpo (purple), which subsequently inhibits the |
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