With different task load levels and input modality formats,P?3 wave of event related brain potential(ERP) were recorded and analyzed in eighteen healthy young man performing six dual tasks.

• 为探讨任务负荷水平及输入通道形式对脑事件相关电位（ERP）P3波的影响，记录分析了18名男性青年受试者在完成6种负荷水平、附任务形式不同的双任务过程中ERP的P3波。