Harkins S W, Thompson L W, Moss S F, Nowlin J B
Exp Aging Res. 1976 Sep;2(5):409-23. doi: 10.1080/03610737608257999.
The relationship between heart rate deceleration (HRD) and the contingent negative variation (CNV) was evaluated in 12 healthy, elderly men during performance of a signaled reaction time task. While amplitude of the CNV and HRD did parallel RT, CNV alone was found to be predictive of individual differences in speed of response indicating that phasic concordance of these physiological responses is probably not an important factor in age changes in RT. The results indicate the probable importance of central physiological indices such as the CNV over peripheral events such as HRD in the evaluation of RT performance in elderly individuals.
在12名健康老年男性执行信号反应时任务期间,对心率减速(HRD)与关联性负变(CNV)之间的关系进行了评估。虽然CNV的幅度和HRD确实与反应时平行,但发现仅CNV就能预测个体反应速度的差异,这表明这些生理反应的相位一致性可能不是反应时年龄变化的重要因素。结果表明,在评估老年人的反应时表现时,诸如CNV这样的中枢生理指标可能比诸如HRD这样的外周事件更重要。