Traveling waves in the prefrontal cortex during working memory

被引：41

作者：

Bhattacharya, Sayak ^{[1
,2
]}

Brincat, Scott L. ^{[1
,2
]}

Lundqvist, Mikael ^{[1
,2
]}

Miller, Earl K. ^{[1
,2
]}

机构：

[1] MIT, Picower Inst Learning & Memory, Cambridge, MA 02139 USA

[2] MIT, Dept Brain & Cognit Sci, Cambridge, MA 02139 USA

来源：

PLOS COMPUTATIONAL BIOLOGY | 2022年 / 18卷 / 01期

关键词：

SPIRAL WAVES; TOP-DOWN; NEURONAL OSCILLATIONS; DYNAMICS; SYNCHRONIZATION; COMMUNICATION; MODULATION; MECHANISM; ATTENTION;

D O I：

10.1371/journal.pcbi.1009827

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Neural oscillations are evident across cortex but their spatial structure is not well- explored. Are oscillations stationary or do they form "traveling waves", i.e., spatially organized patterns whose peaks and troughs move sequentially across cortex? Here, we show that oscillations in the prefrontal cortex (PFC) organized as traveling waves in the theta (4-8Hz), alpha (8-12Hz) and beta (12-30Hz) bands. Some traveling waves were planar but most rotated. The waves were modulated during performance of a working memory task. During baseline conditions, waves flowed bidirectionally along a specific axis of orientation. Waves in different frequency bands could travel in different directions. During task performance, there was an increase in waves in one direction over the other, especially in the beta band.

引用

页数：22

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