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Base de datos CISDOC

ID (ISN) del documento111685
Número CIS 11-0434
ISSN - Título de la serie 0169-8141 - International Journal of Industrial Ergonomics
Año 2011
Número de serie
Autor(es) DiDomenico A., Nussbaum M.A.
Título Effects of different physical workload parameters on mental workload and performance
Información bibliográfica 2011, Vol.41, p.255-260. Illus. 31 ref.
Resumen The design and evaluation of an occupational task should include an assessment of mental workload, since excessive levels of mental workload can cause errors or delayed information processing. Physically demanding work that is performed concurrently with a cognitive task may impact mental workload by impairing mental processing or decreasing performance. The objective of this study was to determine whether there is a differential effect of various types of physical activity on both mental workload and cognitive performance. Objective and subjective assessment tools (heart rate variability and visual analogue scale) were used as indicators of mental workload, while correct responses during an arithmetic task reflected levels of performance. Thirty participants performed a combination of tasks involving both physical and mental workload. Changes in subjective ratings generally corresponded to changes in both performance on the arithmetic task and objective mental workload assessment. Some discrepancies occurred at the highest physical force exertion level as participants perceived an increase in effort to maintain the same level of performance.
Descriptores (primarios) carga física; carga de trabajo mental; rendimiento cognitivo; ergonomía
Descriptores (secundarios) fuerza muscular; medida de la frecuencia cardíaca; apreciación subjetiva; valoración estadística
Tipo de documento D - Artículos periódicos
Tema(s) Fisiología del trabajo
Broad subject area(s) Fisiología, ergonomía
Navegación por categoria(s) Mental workload