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为探讨下体负压下飞行员双任务脑力负荷评定中的意义,在完成由视觉追踪主任务和听觉Oddball附任务组成的双任务的过程中,同步记录了被试者多项心理生理指标。对资料分析的结果表明:追踪误差、脑事件相关电位P3波潜时和逐次心跳间期与脑力负荷关系较为密切。
In order to explore the significance of pilots’ dual-task mental workload assessment under lower body pressure, a number of psychological and physiological indicators of the subjects were recorded synchronously during the dual mission consisting of visual tracking task and auditory Oddball task. The results of data analysis show that: the tracking error, P3 related to brain event latency and heartbeat interval have a close relationship with mental workload.