Citation

Sato N, Kamada T, Miyake S, Akatsu J, Kumashiro M, Kume Y. J. Psychosom. Res. 1998; 45(2): 159-169.

Affiliation

Department of Industrial Engineering, Faculty of Science and Technology, Kinki University, Higashi-Osaka, Osaka, Japan. rinta@im.kindai.ac.jp

Copyright

(Copyright © 1998, Elsevier Publishing)

DOI

unavailable

PMID

9753388

Abstract

This study investigated changes in autonomic nervous activities due to psychological stress in Type A females. Eight Type A and eight Type B females performed a psychomotor task for 30 minutes. Power spectral analysis of heart rate variability (HRV) was used to examine the autonomic nervous activities. Results showed the low frequency (LF) component and LF/HF ratio in Type A females increased after the onset of the task. There were no significant differences in task performance between Type A and Type B females. The subjective mental workload increased gradually in Type A females during the tasks, whereas in Type B females this parameter did not change in a consistent manner. The results suggest that the sympathetic nervous system in Type A females was more stimulated by the task and Type A females felt a greater subjective mental workload than did Type B females.

Language: en