Brain activity during stimulation of the trigeminal nerve with noxious heat.

Brain activity during stimulation of the trigeminal nerve with noxious heat. Research Abstract Details 

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Brain activity during stimulation of the trigeminal nerve with noxious heat. Abstract Text:

Reny de Leeuw,C Ervin Davis,Romulo Albuquerque,Charles R Carlson,Anders H Andersen,

OBJECTIVE: The aim of this study was to observe areas of brain activation with painful hot stimulation to the trigeminal nerve. STUDY DESIGN: Nine healthy pain-free women (mean age 26.2 +/- 6.9 yrs) with a natural, regular menstrual cycle participated in the study. Whole-brain functional magnetic resonance imaging (fMRI) data were acquired for each participant on day 2 or 3 after the onset of menses using echo-planar imaging at 1.5T with near-isotropic spatial resolution and a temporal resolution of 4 s. RESULTS: Whole-brain fMRI with a Peltier thermode inside the head coil yielded a feasible imaging protocol with little disturbance from the thermode. Painful thermal stimulation of the left trigeminal system activated discrete brain regions within the insula, cingulate gyrus, thalamus, inferior parietal lobe/postcentral gyrus, right middle and inferior frontal gyri, cuneus, precuneus, and precentral gyrus. CONCLUSION: Painful stimulation of the trigeminal nerve resulted in activation of similar brain areas generally known for pain processing of painful peripheral stimulation.

Brain activity during stimulation of the trigeminal nerve with noxious heat. Publishing Authors By Initials

R de Leeuw,CE Davis,R Albuquerque,CR Carlson,AH Andersen,

For similar nervous system: peripheral nervous system: peripheral nerves: cranial nerves: trigeminal nerve research abstracts see: nervous system: peripheral nervous system: peripheral nerves: cranial nerves: trigeminal nerve research

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Brain activity during stimulation of the trigeminal nerve with noxious heat. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Oral surgery, oral medicine, oral pathology, oral

VOLUME: 102

Page Numbers: 750-7

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ISSN: 1528-395X

DAY: 14

MONTH: 07

YEAR: 2006

Brain activity during stimulation of the trigeminal nerve with noxious heat. Information

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LANGUAGE: eng

NlmUniqueID: 9508562

Brain activity during stimulation of the trigeminal nerve with noxious heat. Keywords Mesh Terms:

KEYWORDS: Trigeminal Nerve

MESH TERMS: physiopathology

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Grant and Affiliation Information for Brain activity during stimulation of the trigeminal nerve with noxious heat.

AFFILIATION: Orofacial Pain Center, College of Dentistry, University of Kentucky, Lexington, KY 40536-0297, USA. rdele0@uky.edu

Country: United States

AGENCY: United States NCRR

GRANT: P20 RR15592

ACRONYM: RR

MEDLINETA: Oral Surg Oral Med Oral Pathol

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