Slow brain potentials in a visual monitoring task

被引:5
作者
Freude, G [1 ]
Ullsperger, P [1 ]
Erdmann, U [1 ]
机构
[1] Fed Inst Occupat Safety & Hlth, D-10317 Berlin, Germany
关键词
slow brain potentials; bereitschaftspotential; clock monitoring task; preparation;
D O I
10.1016/S0167-8760(99)00058-6
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
The purpose of this study was to analyse slow brain potentials (SPs) during visual monitoring, needed to perform the dock-monitoring task (CMT). This task was successfully applied in behavioural studies, in which attention capabilities were investigated in dependence on individual factors. Clearly pronounced preparatory SPs were observed during the CMT reflecting a high level of preparation and attention, necessary for achieving high performance accuracy. The well-known influence of task repetition on SPs and the relation between SP and behaviour were confirmed. The practicability of the CMT, the clear and easily detectable SP components and the sensitivity of the present approach makes it recommendable for further applications, e.g. for the evaluation of the effects of occupational/environmental exposures on processes of information processing. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:231 / 241
页数:11
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