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The physiological and psychological mechanisms of infra-slow oscillation

JING Xiu-Juan¹, AO Yu-Jia², OUYANG Yu-Jie², LIU Yang², WANG Yi-Feng^2,*

¹Tianfu College of Southwestern University of Finance and Economics, Chengdu 610052, China；²Institute of Brain and Psychological Sciences, Sichuan Normal University, Chengdu 610066, China

Abstract

 Infra-slow oscillation (ISO) is a kind of brain rhythm between 0.01 and 0.5 Hz. ISO is widely distributed in multiple brain regions. As an important psychophysiological activity, the ISO interacts with high-frequency neural rhythm via cross-frequency coupling, but has different activity patterns from high-frequency neural activity. Physiologically, the ISO may be generated by the dynamic activity of thalamus, glia, and ions. Psychologically, the frequency, amplitude, and phase of ISO could all regulate cognitive activities, but in different ways. Investigations on the ISO expands the neural rhythm research to lower frequency range, further promoting the construction of rhythmic theory of brain function.

Key words: infra-slow oscillation; thalamus; glia; neural rhythm; cognitive efficiency

Received: 2020-10-21　　Accepted: 2020-12-25

Corresponding author: 王一峰　　E-mail: wyf@sicnu.edu.cn

Citing This Article：

JING Xiu-Juan, AO Yu-Jia, OUYANG Yu-Jie, LIU Yang, WANG Yi-Feng. The physiological and psychological mechanisms of infra-slow oscillation. Acta Physiol Sin 2021; 73 (6): 973-979 (in Chinese with English abstract).