What is the relationship between mental workload factors and cognitive load types?

被引：212

作者：

Galy, Edith ^{[1
]}

Cariou, Magali ^{[2
]}

Melan, Claudine ^{[2
]}

机构：

[1] Univ Aix Marseille, Ctr Res Psychol Cognit Language & Emot, Marseille, France

[2] Univ Toulouse, Work & Cognit Lab, Toulouse, France

来源：

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY | 2012年 / 83卷 / 03期

关键词：

Workload measures; Cognitive load; Time pressure; Task difficulty; Alertness; Working memory task; AUTONOMIC NERVOUS-SYSTEM; HEART-RATE; PERFORMANCE; LEVEL; STRESS; INFORMATION; VARIABILITY; CONTROLLERS; DIFFICULTY; EFFICIENCY;

D O I：

10.1016/j.ijpsycho.2011.09.023

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

The present study tested the hypothesis of an additive interaction between intrinsic, extraneous and germane cognitive load, by manipulating factors of mental workload assumed to have a specific effect on either type of cognitive load. The study of cognitive load factors and their interaction is essential if we are to improve workers' wellbeing and safety at work. High cognitive load requires the individual to allocate extra resources to entering information. It is thought that this demand for extra resources may reduce processing efficiency and performance. The present study tested the effects of three factors thought to act on either cognitive load type, i.e. task difficulty, time pressure and alertness in a working memory task. Results revealed additive effects of task difficulty and time pressure, and a modulation by alertness on behavioral, subjective and psychophysiological workload measures. Mental overload can be the result of a combination of task-related components, but its occurrence may also depend on subject-related characteristics, including alertness. Solutions designed to reduce incidents and accidents at work should consider work organization in addition to task constraints in so far that both these factors may interfere with mental workload. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：269 / 275

页数：7

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