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Courtney L. Gallen

3 papers in the library · 80 citations · publishing 2019-2025

Papers

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Dynamic medial parietal and hippocampal deactivations under DMT relate to sympathetic output and altered sense of time, space, and the self

Imaging Neuroscience April 16, 2025 Lorenzo Pasquini, Alexander J. Simon, Courtney L. Gallen et al. 4 citations

Abstract N,N-Dimethyltryptamine (DMT) is a serotonergic psychedelic, known to rapidly induce short-lasting alterations in conscious experience, characterized by a profound and immersive sense of physical transcendence alongside rich and vivid auditory distortions and visual imagery. Multimodal neuroimaging data paired with dynamic analysis techniques offer a valuable approach for identifying...

A complex systems perspective on psychedelic brain action.

Trends Cogn Sci February 3, 2023 Manesh Girn, Fernando E. Rosas, Richard E. Daws et al. 76 citations

Recent findings suggesting the potential transdiagnostic efficacy of psychedelic-assisted therapy have fostered the need to deepen our understanding of psychedelic brain action. Functional neuroimaging investigations have found that psychedelics reduce the functional segregation of large-scale brain networks. However, beyond this general trend, findings have been largely inconsistent. We argue...

Closed-loop Digital Meditation Improves Sustained Attention in Young Adults

Nature Human Behaviour June 3, 2019 David A Ziegler, Alexander J. Simon, Courtney L. Gallen et al.

Attention is a fundamental cognitive process that is critical for essentially all aspects of higher-order cognition and real-world activities. Younger generations have deeply embraced information technology and multitasking in their personal lives, school and the workplace, creating myriad challenges to their attention. While improving sustained attention in healthy young adults would be...