A study on relationship between age and oddball-task difficulty on peak latency of P300

説明

Previous studies have reported that the peak latency of P300 in healthy adults increases with age and depends on task difficulty. We study the relations between the peak latency of P300 and task difficulty and age of subjects through three types of experiments. First experiment is a visual stimulation task with a single target stimulus and one or two non-target stimuli. Second experiment is a visual stimulation task with a single circle stimulus with variable diameter and a single non-target circle stimulus with invariable diameter. Third experiment is a visual stimulation task with a variable vertex target and non-target stimuli. The experimental results show that the relation between task difficulty and the peak latency of P300 changes with age.

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