Hancock, P.A., Meshkati, N., & Robertson, M.M. (1985). Physiological reflections of mental workload. Aviation, Space, and Environmental Medicine, 56, 1110-1114.
Studies reporting physiological responses as reflections of mental workload are reviewed briefly. The differing measures are located in a two-dimensional space whose axes represent first, practical application and second, relevance to actual central nervous system activity as viewed from spatial and systemic congruence.