“…3,4 Cognitive load likely increases crash risk by its effects on attentional networks in the brain that increase event response times (RTs), miss rates, and the duration of single glances off the road. 3,4,5 The "Peripheral Detection Task" (PDT) has been proposed as one measure of the attentional effects of cognitive load. 1,3,6,7,8 The PDT measures RTs to, and misses of, peripheral light stimuli during secondary task performance.…”