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Scott P. Orr

4 papers in the library · 29 citations · publishing 2019-2024

Papers

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Comparison of autonomic reactivity to trauma and nightmare imagery: A Pilot Study

SLEEP Advances 2024 Christopher M. McGrory, Augustus Kram Mendelsohn, Suzanne L. Pineles et al. 2 citations

Study Objectives: Trauma-related nightmares (TRNs) are a hallmark symptom of PTSD and are highly correlated with PTSD severity and poor sleep quality. Given the salience and arousal associated with TRNs, they might be an effective target for imaginal exposures during Prolonged Exposure (PE) therapy. As a first step in this line of research, the current study compared participants' emotional...

DOI: 10.1093/sleepadvances/zpae060 (opens in new tab) Nightmare Arousal Recall Reactivity psychology +3

Mindfulness training and exercise differentially impact fear extinction neurocircuitry

Psychological Medicine September 1, 2023 Shaked E. Leibovitz, Gunes Sevinc, Jonathan Greenberg et al. 3 citations

Abstract Background The ability to extinguish a maladaptive conditioned fear response is crucial for healthy emotional processing and resiliency to aversive experiences. Therefore, enhancing fear extinction learning has immense potential emotional and health benefits. Mindfulness training enhances both fear conditioning and recall of extinguished fear; however, its effects on fear extinction...

Hippocampal circuits underlie improvements in self‐reported anxiety following mindfulness training

Brain and Behavior September 18, 2020 Gunes Sevinc, Jonathan Greenberg, Britta K. Hölzel et al. 24 citations

Abstract Introduction Mindfulness meditation has successfully been applied to cultivate skills in self‐regulation of emotion, as it employs the unbiased present moment awareness of experience. This heightened attention to and awareness of sensory experience has been postulated to create an optimal therapeutic exposure condition and thereby improve extinction learning. We recently demonstrated...

Strengthened Hippocampal Circuits Underlie Enhanced Retrieval of Extinguished Fear Memories Following Mindfulness Training.

Biological Psychiatry May 30, 2019 Gunes Sevinc, Britta K. Hölzel, Jonathan Greenberg et al.

Background: The role of hippocampus in context-dependent recall of extinction is well recognized. However, little is known about how intervention-induced changes in hippocampal networks relate to improvements in extinction learning. In this study, we hypothesized that mindfulness training creates an optimal exposure condition by heightening attention and awareness of present moment sensory...