Parietal operculum
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| Brain: Parietal operculum | ||
|---|---|---|
| NeuroNames | hier-78 | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753
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The parietal operculum, forming the superior bank of the sylvian fissure, as studied in the cat, contains the secondary somatosensory representation, 'S-II', and a second somatotopic representation (parietal ventral, or PV). Anatomically, primate S-II receives inputs from area 3 and area 1, and projects to PV and area 7. PV has projections to area 5 and premotor areas.
Function
Single cell recording in primates show neurons with larger receptive fields than primary somatosensory cortex, responding to bilateral tactile stimuli, and showing attentional modulation.
In humans, PO is activated during somatosensory stimulation, texture discrimination tasks, and in motor tasks involving sensory feedback. It is also involved in tactile learning and memory, and may also perform co-ordinate transformations from the somatotopic to other spatial frames.
See also
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
