Longitudinal characterization of EEG power spectra during eyes open and eyes closed conditions in children

脑电图 睁开眼睛 听力学 心理学 头皮 电生理学 发展心理学 化学 神经科学 医学 解剖 平衡(能力)
作者
Joseph R. Isler,Nicoló Pini,Maristella Lucchini,Lauren C. Shuffrey,Santiago Morales,Maureen E. Bowers,Stephanie C. Leach,Ayesha Sania,Lily Wang,Carmen Condon,J. David Nugent,Amy J. Elliott,Christa Friedrich,Rebecca Andrew,Nathan A. Fox,Michael Myers,William P. Fifer
出处
期刊:Psychophysiology [Wiley]
卷期号:60 (1) 被引量:2
标识
DOI:10.1111/psyp.14158
摘要

This study is the first to examine spectrum-wide (1 to 250 Hz) differences in electroencephalogram (EEG) power between eyes open (EO) and eyes closed (EC) resting state conditions in 486 children. The results extend the findings of previous studies by characterizing EEG power differences from 30 to 250 Hz between EO and EC across childhood. Developmental changes in EEG power showed spatial and frequency band differences as a function of age and EO/EC condition. A 64-electrode system was used to record EEG at 4, 5, 7, 9, and 11 years of age. Specific findings were: (1) the alpha peak shifts from 8 Hz at 4 years to 9 Hz at 11 years, (2) EC results in increased EEG power (compared to EO) at lower frequencies but decreased EEG power at higher frequencies for all ages, (3) the EEG power difference between EO and EC changes from positive to negative within a narrow frequency band which shifts toward higher frequencies with age, from 9 to 12 Hz at 4 years to 32 Hz at 11 years, (4) at all ages EC is characterized by an increase in lower frequency EEG power most prominently over posterior regions, (5) at all ages, during EC, decreases in EEG power above 30 Hz are mostly over anterior regions of the scalp. This report demonstrates that the simple challenge of opening and closing the eyes offers the potential to provide quantitative biomarkers of phenotypic variation in brain maturation by employing a brief, minimally invasive protocol throughout childhood.
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