Enhancing activation in the right temporoparietal junction using theta-burst stimulation: Disambiguating between two hypotheses of top-down control of behavioral mimicry.
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Whereas previous research has focused on the role of the rTPJ when consciously inhibiting mimicry, we test the role of the rTPJ on mimicry within a social interaction, during which mimicking occurs nonconsciously. We wanted to determine whether higher rTPJ activation always inhibits the tendency to imitate (regardless of the context) or whether it facilitates mimicry during social interactions (when mimicking is an adaptive response). Participants received either active or sham intermittent theta-burst stimulation (iTBS: a type of stimulation that increases cortical activation) to the rTPJ. Next, we measured how much participants mimicked the hair and face touching of another person. Participants in the active stimulation condition engaged in significantly less mimicry than those in the sham stimulation condition. This finding suggests that even in a context in which mimicking is adaptive, rTPJ inhibits mimicry rather than facilitating it, supporting the hypothesis that rTPJ enhances representations of self over other regardless of the goals within a given context.
SubjectScience & Technology
Science & Technology - Other Topics
Published Version (Please cite this version)10.1371/journal.pone.0211279
Publication InfoDuffy, Korrina A; Luber, Bruce; Adcock, R Alison; & Chartrand, Tanya L (2019). Enhancing activation in the right temporoparietal junction using theta-burst stimulation: Disambiguating between two hypotheses of top-down control of behavioral mimicry. PloS one, 14(1). pp. e0211279. 10.1371/journal.pone.0211279. Retrieved from https://hdl.handle.net/10161/18948.
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Associate Professor of Psychiatry and Behavioral Sciences
Dr. Adcock received her undergraduate degree in psychology from Emory University and her MD and PhD in Neurobiology from Yale University. She completed her psychiatry residency training at Langley Porter Psychiatric Institute at UC-San Francisco and did neurosciences research as a postdoctoral fellow at UC-SF, the San Francisco VA Medical Center, and Stanford before joining the Duke faculty in 2007. Her work has been funded by NIDA, NIMH, NSF and Alfred P. Sloan and Klingenstein Fellows
Roy J. Bostock Marketing Distinguished Professor
Tanya Chartrand is the Roy J. Bostock Marketing Professor and Professor of Psychology and Neuroscience at Duke University. Her research interests focus on the nonconscious processes influencing emotion, cognition, and behavior. Tanya has published in numerous psychology and consumer behavior journals, including American Psychologist, Psychological Science, Journal of Experimental Psychology: General, Journal of Personality and Social Psychology, Advances in Experimental Social Psychology, Journa
Adjunct Associate Professor in the Department of Psychiatry and Behavioral Sciences
This author no longer has a Scholars@Duke profile, so the information shown here reflects their Duke status at the time this item was deposited.
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