Exploration of changes in the brain response to sleep-related pictures after cognitive-behavioral therapy for psychophysiological insomnia
- Authors
- Kim, Seog Ju; Lee, Yu Jin; Kim, Nambeom; Kim, Soohyun; Choi, Jae-Won; Park, Juhyun; Gwak, Ah Reum; Kang, Chang-Ki; Kang, Seung-Gul; Jeong, Do-Un
- Issue Date
- 2-Oct-2017
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- SCIENTIFIC REPORTS, v.7
- Journal Title
- SCIENTIFIC REPORTS
- Volume
- 7
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/5590
- DOI
- 10.1038/s41598-017-13065-0
- ISSN
- 2045-2322
- Abstract
- Psychophysiological insomnia (PI) includes arousal to sleep-related stimuli (SS), which can be treated by cognitive behavioral therapy for insomnia (CBT-I). The present study was an exploratory, prospective intervention study that aimed to explore brain response to visual SS in PI before and after CBT-I. Blood oxygen level dependent (BOLD) signal differences in response to SS and neutral stimuli (NS) were compared between 14 drug-free PI patients and 18 good sleepers (GS) using functional magnetic resonance imaging (fMRI). BOLD changes after CBT-I in patients were also examined. PI patients showed higher BOLD activation to SS in the precentral, prefrontal, fusiform, and posterior cingulate cortices before CBT-I. The increased responses to SS were reduced after CBT-I. The increased response to SS in the precentral cortex was associated with longer wake time after sleep onset (WASO), and its reduction after CBT-I was associated with improvements in WASO. Clinical improvements after CBT-I were correlated with BOLD reduction in the right insula and left paracentral cortex in response to SS. PI showed hyper-responses to SS in the precentral cortex, prefrontal cortex, and default mode network and these brain hyper-responses were normalized after CBT-I. CBT-I may exert its treatment effects on PI by reducing hyper-responses to SS in the precentral cortex and insula.
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Collections - 의과대학 > 의학과 > 1. Journal Articles
- 보건과학대학 > 방사선학과 > 1. Journal Articles
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