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By definition, lying involves withholding the truth. Response inhibition may therefore be the cognitive function at the heart of deception. Neuroimaging research has shown that the same brain region that is activated during response inhibition tasks, namely the inferior frontal region, is also activated during deception paradigms. This led to the hypothesis that the inferior frontal region is the neural substrate critically involved in withholding the truth. In the present study, we critically examine the functional necessity of the inferior frontal region in withholding the truth during deception. We experimentally manipulated the neural activity level in right inferior frontal sulcus (IFS) by means of neuronavigated continuous theta-burst stimulation (cTBS). Individual structural magnetic resonance brain images (MRI) were used to allow precise stimulation in each participant. Twenty-six participants answered autobiographical questions truthfully or deceptively before and after sham and real cTBS. Deception was reliably associated with more errors, longer and more variable response times than truth telling. Despite the potential role of IFS in deception as suggested by neuroimaging data, the cTBS-induced disruption of right IFS did not affect response times or error rates, when compared to sham stimulation. The present findings do not support the hypothesis that the right IFS is critically involved in deception.
Pubmed ID: 23087636 RIS Download
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A portal to educate, engage and create an online community. The Fisher Center for Alzheimer''s Research Foundation, founded in 1995, was created in answer to the recommendations of three U.S. Senate commissioned symposia held in the 1990s by the National Institutes of Health (NIH) to gather information on the cause, care and cure of Alzheimer''s disease. The Fisher Center was created following this design. The funding initiatives of the Foundation are appropriated accordingly to the three areas cited by the NIH task force cause, care and cure. The primary resources of the Foundation are directed toward scientific research into the cause and hopefully the cure of Alzheimer''s disease. To this end, the Foundation under the direction of its founder, Zachary Fisher, and in collaboration with David Rockefeller, constructed the Fisher Center for Alzheimer''s Disease Research at The Rockefeller University, headed by 2000 Nobel Prize winner, Paul Greengard, Ph.D. The 10,000 square foot laboratory is the most advanced facility of its kind in the country equipped with the latest in equipment necessary to undertake an interdisciplinary assault on this disease. The Fisher Center also has collaborative programs at the University of Genoa and supports the work of well over 60 scientists and researchers across the United States and in 17 foreign countries. The Foundation also funds projects for the care of people with Alzheimer''s disease and their caregivers. The Fisher Alzheimer''s Disease Education and Resources Program at the New York University School of Medicine was established under the direction of Barry Reisberg, M.D., internationally known expert in the care of Alzheimer''s patients. The Foundations Alzheimer''s Information Program was created in 2001 to answer the primary need of caregivers for comprehensive, easily accessible information. Our goals are to: Understand the Cause of Alzheimer''s To find a Cure for this devastating disease Improve the Care of people living with the disease to enhance their quality of life and that of their caregivers and families About Our Research Beating Back Beta Amyloid Improving the Quality of Life for Alzheimers Patients Reversing Nerve Cell Damage Using Hormones to Slow the Progress of Disease Curing Early-Onset Alzheimers The Science of Caregiving Scientific Studies
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