Enhanced phase-amplitude coupling of human electrocorticography selectively in the posterior cortical region during rapid eye movement sleep

被引:1
|
作者
Togawa, Jumpei [1 ,2 ]
Matsumoto, Riki [1 ,3 ]
Usami, Kiyohide [4 ]
Matsuhashi, Masao [4 ]
Inouchi, Morito [4 ,5 ]
Kobayashi, Katsuya [1 ]
Hitomi, Takefumi [6 ]
Nakae, Takuro [7 ,8 ]
Shimotake, Akihiro [1 ]
Yamao, Yukihiro [7 ]
Kikuchi, Takayuki [7 ]
Yoshida, Kazumichi [7 ]
Kunieda, Takeharu [9 ]
Miyamoto, Susumu [7 ]
Takahashi, Ryosuke [1 ]
Ikeda, Akio [4 ]
机构
[1] Kyoto Univ, Grad Sch Med, Dept Neurol, Kyoto 6068507, Japan
[2] Kyoto Univ, Grad Sch Med, Dept Resp Care & Sleep Control Med, Kyoto 6068507, Japan
[3] Kobe Univ, Grad Sch Med, Div Neurol, Kobe, Hyogo 6500017, Japan
[4] Kyoto Univ, Grad Sch Med, Dept Epilepsy Movement Disorders & Physiol, Kyoto 6068507, Japan
[5] Natl Hosp Org Kyoto Med Ctr, Dept Neurol, Kyoto 6128555, Japan
[6] Kyoto Univ, Grad Sch Med, Dept Clin Lab Med, Kyoto 6068507, Japan
[7] Kyoto Univ, Grad Sch Med, Dept Neurosurg, Kyoto 6068507, Japan
[8] Shiga Gen Hosp, Dept Neurosurg, Moriyama, Shiga 5248524, Japan
[9] Ehime Univ, Grad Sch Med, Dept Neurosurg, Toon, Ehime 7910295, Japan
关键词
consciousness; electrocorticography; phase-amplitude coupling; REM sleep; wakefulness; GAMMA OSCILLATIONS; PREFRONTAL CORTEX; CAUSAL ROLE; SLOW; CONSCIOUSNESS; CLASSIFICATION; HIPPOCAMPUS; JUNCTION; STATES;
D O I
10.1093/cercor/bhac079
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The spatiotemporal dynamics of interaction between slow (delta or infraslow) waves and fast (gamma) activities during wakefulness and sleep are yet to be elucidated in human electrocorticography (ECoG). We evaluated phase-amplitude coupling (PAC), which reflects neuronal coding in information processing, using ECoG in 11 patients with intractable focal epilepsy. PAC was observed between slow waves of 0.5-0.6 Hz and gamma activities, not only during light sleep and slow-wave sleep (SWS) but even during wakefulness and rapid eye movement (REM) sleep. While PAC was high over a large region during SWS, it was stronger in the posterior cortical region around the temporoparietal junction than in the frontal cortical region during REM sleep. PAC tended to be higher in the posterior cortical region than in the frontal cortical region even during wakefulness. Our findings suggest that the posterior cortical region has a functional role in REM sleep and may contribute to the maintenance of the dreaming experience.
引用
收藏
页码:486 / 496
页数:11
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