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Examining the Role of Lateral Parietal Cortex in Emotional Distancing Using TMS.

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Date
2020-10
Authors
Powers, John P
Davis, Simon W
Neacsiu, Andrada D
Beynel, Lysianne
Appelbaum, Lawrence G
LaBar, Kevin S
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Abstract
We recently proposed a neurocognitive model of distancing-an emotion regulation tactic-with a focus on the lateral parietal cortex. Although this brain area has been implicated in both cognitive control and self-projection processes during distancing, fMRI work suggests that these processes may be dissociable here. This preregistered (NCT03698591) study tested the contribution of left temporoparietal junction (TPJ) to distancing using repetitive transcranial magnetic stimulation. We hypothesized that inhibiting left TPJ would decrease the efficiency of distancing but not distraction, another regulation tactic with similar cognitive control requirements, thus implicating this region in the self-projection processes unique to distancing. Active and sham continuous theta burst stimulation (cTBS) were applied to 30 healthy adults in a single-session crossover design. Tactic efficiency was measured using online reports of valence and effort. The stimulation target was established from the group TPJ fMRI activation peak in an independent sample using the same distancing task, and anatomical MRI scans were used for individual targeting. Analyses employed both repeated-measures ANOVA and analytic procedures tailored to crossover designs. Irrespective of cTBS, distancing led to greater decreases in negative valence over time relative to distraction, and distancing effort decreased over time while distraction effort remained stable. Exploratory analyses also revealed that active cTBS made distancing more effortful, but not distraction. Thus, left TPJ seems to support self-projection processes in distancing, and these processes may be facilitated by repeated use. These findings help to clarify the role of lateral parietal cortex in distancing and inform applications of distancing and distraction.
Type
Journal article
Subject
Continuous theta burst stimulation
Emotion regulation
Psychological distance
Reappraisal
Transcranial magnetic stimulation
Permalink
https://hdl.handle.net/10161/21631
Published Version (Please cite this version)
10.3758/s13415-020-00821-5
Publication Info
Powers, John P; Davis, Simon W; Neacsiu, Andrada D; Beynel, Lysianne; Appelbaum, Lawrence G; & LaBar, Kevin S (2020). Examining the Role of Lateral Parietal Cortex in Emotional Distancing Using TMS. Cognitive, affective & behavioral neuroscience, 20(5). pp. 1090-1102. 10.3758/s13415-020-00821-5. Retrieved from https://hdl.handle.net/10161/21631.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Appelbaum

Lawrence Gregory Appelbaum

Adjunct Associate Professor in the Department of Psychiatry and Behavioral Sciences
Greg Appelbaum is an Adjunct Associate Professor in the Department of Psychiatry and Behavioral Sciences in the Duke University School of Medicine.  Dr. Appelbaum's research interests primarily concern the brain mechanisms underlying visual cognition, how these capabilities differ among individuals, and how they can be improved through behavioral, neurofeedback, and neuromodulation interventions. Within the field of cognitive neuroscience, his research has addressed visual pe
Davis

Simon Wilton Davis

Assistant Professor in Neurology
My research centers around the use of structural and functional imaging measures to study the shifts in network architecture in the aging brain. I am specifically interested in changes in how changes in structural and functional connectivity associated with aging impact the semantic retrieval of word or fact knowledge. Currently this involves asking why older adults have particular difficulty in certain kinds of semantic retrieval, despite the fact that vocabularies and knowledge stores typic
LaBar

Kevin S. LaBar

Professor of Psychology and Neuroscience
My research focuses on understanding how emotional events modulate cognitive processes in the human brain. We aim to identify brain regions that encode the emotional properties of sensory stimuli, and to show how these regions interact with neural systems supporting social cognition, executive control, and learning and memory. To achieve this goal, we use a variety of cognitive neuroscience techniques in human subject populations. These include psychophysiological monitoring, functional magnetic
Neacsiu

Andrada Delia Neacsiu

Assistant Professor in Psychiatry and Behavioral Sciences
I am a clinical psychologist with a primary interest in outpatient interventions for difficulties managing emotional experiences that interfere with well-being. As a clinician, I specialize in Dialectical Behavior Therapy (DBT) and Cognitive Behavioral Therapy (CBT) for adults who report a variety of mental health problems, including personality, mood, anxiety, eating, trauma, stress-related, adjustment, and impulse control disorders. My approach to psychotherapy includes working collaborativ
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