Functional magnetic resonance imaging analysis of attention to one's heartbeat.

Functional magnetic resonance imaging analysis of attention to one's heartbeat. Research Abstract Details 

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Functional magnetic resonance imaging analysis of attention to one's heartbeat. Abstract Text:

Joseph Tracy,Nitin Goyal,Adam Flanders,Richard Weening,Joseph Laskas,Peter Natale,Brigid Waldron,Joseph Tracy,Nitin Goyal,Adam Flanders,Richard Weening,Joseph Laskas,Peter Natale,Brigid Waldron,

OBJECTIVES: The convergence of a neural system for monitoring external stimuli with mechanisms that process somatic information leads to the hypothesis that the anterior parietal cortex may mediate attention to a specific internal visceral signal. METHODS: We measured regional brain activity through functional magnetic resonance imaging and directed subjects (6 men and 11 women) to attend to their own heartbeat, and to a heartbeat played on an external tape. RESULTS: Statistical parametric brain mapping revealed the importance of right (nondominant) parietal cortex to directing attention internally to one's visceral state and focusing on a specific body signal. CONCLUSIONS: The parietal activation may be taking advantage of monitoring skills typically utilized for vigilance to the external environment, in addition to working as a higher-level recognition system for signals emerging from the viscera. The finding suggests that the parietal cortex plays a central role in an interoceptive attention system that monitors bodily states.

Functional magnetic resonance imaging analysis of attention to one's heartbeat. Publishing Authors By Initials

J Tracy,N Goyal,A Flanders,R Weening,J Laskas,P Natale,B Waldron,J Tracy,N Goyal,A Flanders,R Weening,J Laskas,P Natale,B Waldron,

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Functional magnetic resonance imaging analysis of attention to one's heartbeat. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Psychosomatic medicine

VOLUME: 69

Page Numbers: 952-60

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ISSN: 1534-7796

DAY: 8

MONTH: 11

YEAR: 2007

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LANGUAGE: eng

NlmUniqueID: 376505

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Grant and Affiliation Information for Functional magnetic resonance imaging analysis of attention to one's heartbeat.

AFFILIATION: Departments of Neurology, Thomas Jefferson University/Jefferson Medical College, 900 Walnut Street, Suite 206, Philadelphia, PA 19107, USA. joseph.i.tracy@jefferson.edu

Country: United States

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MEDLINETA: Psychosom Med

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