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The sensory modes necessary for postural balance include visual, vestibular and somatosensory information.
This study has two specific objectives: (1) to detect the α and βEEG activity of the entire scalp under the condition of sensational difficulty gradually increasing; (2) to compare the difference between the elderly and the young.
Recruited 12 young people (2 males and 10 females; 22.
Experimental procedure
Participants were told to wash their hair the day before the experiment and avoid caffeine or alcohol for 24 hours.
In terms of SOT balance score, the main effect and interaction effect (F3,66=14.
Six-component cluster averages and individual scalp maps from 24 participants.
The analysis of variance showed the main influence of SOT conditions in all conditions (left temporal occipital: F3,63=23.
The beta activity of the elderly group is almost zero under SEO conditions, or there is no continuous positive or negative.
Changes in EEG power do not match the gradual deterioration of behavioral data, but it reflects the different sensory strategies adopted by young people and old people when dealing with closed eyes or misleading somatosensory information.
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Age-related differences in alpha and beta band activity in sensory association brain areas during challenging sensory tasks.
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