Abstract
In this paper, resting electroencephalogram (EEG) data of 73 healthy subjects are recorded for both eye-open and eye-close states. Multiple temporal features are extracted from the two resting states, and the relationship between the state-trait anxiety inventory (STAI) and the temporal features is studied. It is found that the temporal features are different in five brain regions between the eye-open and eye-close states. The mean value, the trimmean values, the iqr values, the mad values and the standard deviation of EEG data during eye-close state are higher than these temporal features during eye-open state. Meanwhile, there are differences for the median values and the skewness values between the eye-open and eye-close conditions for five brain regions. Besides, it is found that the STAI is negatively correlated with iqr values, mad values and std values in the right part of the brain under the eye-open condition, but positively correlated with the skewness values under the eye-close condition. These results demonstrate the possibility of using the temporal features to identify the normal subject's anxiety level, which also provide evidence for the differences of resting EEG for eye-open and eye-close conditions and their relationship with STAI in time domain.
Published Version
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