@article{ref1,
title="Measuring working memory load effects on electrophysiological markers of attention orienting during a simulated drive",
journal="Ergonomics",
year="2017",
author="Ross, Veerle and Vossen, Alexandra Y. and Smulders, Fren T. Y. and Ruiter, Robert A. C. and Brijs, Tom and Brijs, Kris and Wets, Geert and Jongen, Ellen M. M.",
volume="61",
number="3",
pages="429-443",
abstract="Intersection accidents result in a significant proportion of road fatalities, and attention allocation likely plays a role. Attention allocation may depend on (limited) working memory (WM) capacity. Driving is often combined with tasks increasing WM load, consequently impairing attention orienting. This study (n = 22) investigated WM load effects on event-related potentials (ERPs) related to attention orienting. A simulated driving environment allowed continuous lane-keeping measurement. Participants were asked to orient attention covertly towards the side indicated by an arrow, and to respond only to moving cars appearing on the attended side by pressing a button. WM load was manipulated using a concurrent memory task. ERPs showed typical attentional modulation (cue: contralateral negativity, LDAP; car: N1, P1, SN and P3) under low and high load conditions. With increased WM load, lane-keeping performance improved, while dual task performance degraded (memory task: increased error rate; orienting task: increased false alarms, smaller P3).Practitioner Summary: Intersection driver-support systems aim to improve traffic safety and flow. However, in-vehicle systems induce WM load, increasing the tendency to yield. Traffic flow reduces if drivers stop at inappropriate times, reducing the effectiveness of systems. Consequently, driver-support systems could include WM load measurement during driving in the development phase.<p /> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="10.1080/00140139.2017.1353708",
url="http://dx.doi.org/10.1080/00140139.2017.1353708"
}