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- W4387398466 abstract "Despite the increasing popularity of neurofeedback (NF), aiming at voluntary modulation of dysfunctional prefrontal cortex (PFC) signals, in the treatment of binge-eating disorder (BED) and/or overweight, mechanisms remain poorly understood. Based on a randomized-controlled trial offering 12 food-specific real-time functional near-infrared spectroscopy (rtfNIRS)-NF sessions to participants with BED (n = 22), this preregistered study examined (1) online regulation success as predictor for offline regulation success, defined by PFC signals during regulation versus watch, and subjective regulation success, and (2) changes in loss of control (LOC) eating after vs. before and across 12 rtfNIRS-NF-sessions. Higher online regulation success expectedly predicted better subjective, but worse offline regulation success. LOC eating decreased after vs. before, but not over rtfNIRS-NF-sessions, and was not associated with subjective or offline regulation success. The association between online and subjective regulation success confirmed the presumed mechanism of operant conditioning underlying rtfNIRS-NF-learning. The contrary association between online and offline regulation indicated differential PFC involvement upon subtraction of automatic food-specific responses from regulation signals for offline success. Decreased LOC eating after food-specific rtfNIRS-NF-sessions suggested the potential of NF in BED treatment. Results may guide the optimization of future NF studies in larger samples with BED." @default.
- W4387398466 created "2023-10-07" @default.
- W4387398466 creator A5006746727 @default.
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- W4387398466 creator A5040642354 @default.
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- W4387398466 creator A5093015799 @default.
- W4387398466 date "2023-10-01" @default.
- W4387398466 modified "2023-10-07" @default.
- W4387398466 title "Mechanisms underlying fNIRS-neurofeedback over the prefrontal cortex for participants with binge-eating disorder" @default.
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