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Three Inferior Prefrontal Regions Of The Brain Found Receptive To Somatosensory Stimuli

Date:
November 21, 2002
Source:
American Physiological Society
Summary:
Research has shown that three inferior prefrontal regions of the monkey's brain (OFC, ventral area of the principal sulcus, and the anterior frontal operculum) all receive somatosensory stimuli (indirect sensations to the body as opposed to specific stimuli such as light). Now a groundbreaking research effort has incorporated two studies, combining positron emission tomography with neutral tactile (touch) stimulation to determine if these same regions in the human brain respond accordingly.

November 19, 2002) - Bethesda, MD -- We know quite a bit about the orbitofrontal cortex (OFC). It is part of the frontal lobe that lies superior to the orbit of the eyes. This area of the brain plays an important role in emotional behavior, receives direct inputs from the dorsomedial thalamus, temporal cortex, ventral tegmental area, olfactory system, and the amygdala (illustration). Its outputs go to several brain regions, including the cingulate cortex, hippocampal formation, temporal cortex, lateral hypothalamus, and amygdala. Finally, it communicates with other regions of the frontal cortex. Thus its inputs provide it with information about what is happening in the environment and what plans are being made by the rest of the frontal lobes. Its outputs permit it to affect a variety of behaviors and physiological responses, including emotional responses organized by the amygdala.


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American Physiological Society. "Three Inferior Prefrontal Regions Of The Brain Found Receptive To Somatosensory Stimuli." ScienceDaily. ScienceDaily, 21 November 2002. <www.sciencedaily.com/releases/2002/11/021120065011.htm>.
American Physiological Society. (2002, November 21). Three Inferior Prefrontal Regions Of The Brain Found Receptive To Somatosensory Stimuli. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2002/11/021120065011.htm
American Physiological Society. "Three Inferior Prefrontal Regions Of The Brain Found Receptive To Somatosensory Stimuli." ScienceDaily. www.sciencedaily.com/releases/2002/11/021120065011.htm (accessed April 20, 2014).

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