期刊
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
卷 195, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ijpsycho.2023.112265
关键词
Media multitasking; Resting-state; EEG microstate; Attention control ability
In this study, electroencephalogram data was analyzed to compare the resting network activation between heavy media multitaskers (HMM) and light media multitaskers (LMM). The results showed that HMM had weaker activation in the attention network, but enhanced activation in the salience network. They also had an enhanced visual network and may feel less comfortable during resting-state periods. This suggests that chronic media multitasking leads to a bottom-up or stimulus-driven allocation of attention for HMM, while LMM use a top-down approach.
Multitasking with two or more media and devices has become increasingly common in our daily lives. The impact of chronic media multitasking on our cognitive abilities has received extensive concern. Converging studies have shown that heavy media multitaskers (HMM) have a greater demand for sensation seeking and are more easily distracted by task-irrelevant information than light media multitaskers (LMM). In this study, we analyzed the electroencephalogram data recorded during resting-state periods to investigate whether HMM and LMM differ with regard to basic resting network activation. Microstate analysis revealed that the activation of the attention network is weakened while the activation of the salience network is enhanced in HMM compared to LMM. This suggests that HMM's attention control is more likely to be guided by surrounding stimuli, which indirectly supports the deficit-producing hypothesis. Moreover, our results revealed that HMM had an enhanced visual network and may feel less comfortable than LMM during resting-state periods with eyes closed, supporting the view that HMM require more sensation seeking than LMM. Taken together, these results indicate that chronic media multitasking leads to HMM allocating attention in a bottom-up or stimulus-driven manner, while LMM deploy a top-down approach.
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