Back to Search
Start Over
The Effects of Guided Imagery on Heart Rate Variability in Simulated Spaceflight Emergency Tasks Performers.
- Source :
- BioMed Research International; 6/7/2015, Vol. 2015, p1-8, 8p
- Publication Year :
- 2015
-
Abstract
- Objectives. The present study aimed to investigate the effects of guided imagery training on heart rate variability in individuals while performing spaceflight emergency tasks. Materials and Methods. Twenty-one student subjects were recruited for the experiment and randomly divided into two groups: imagery group (n=11) and control group (n=10). The imagery group received instructor-guided imagery (session 1) and self-guided imagery training (session 2) consecutively, while the control group only received conventional training. Electrocardiograms of the subjects were recorded during their performance of nine spaceflight emergency tasks after imagery training. Results. In both of the sessions, the root mean square of successive differences (RMSSD), the standard deviation of all normal NN (SDNN), the proportion of NN50 divided by the total number of NNs (PNN50), the very low frequency (VLF), the low frequency (LF), the high frequency (HF), and the total power (TP) in the imagery group were significantly higher than those in the control group. Moreover, LF/HF of the subjects after instructor-guided imagery training was lower than that after self-guided imagery training. Conclusions. Guided imagery was an effective regulator for HRV indices and could be a potential stress countermeasure in performing spaceflight tasks. [ABSTRACT FROM AUTHOR]
- Subjects :
- UNIVERSITIES & colleges
ANALYSIS of variance
COLLEGE students
ELECTROCARDIOGRAPHY
HEART beat
MEDICAL emergencies
PROBABILITY theory
RESEARCH funding
SELF-evaluation
SPACE flight
STRESS management
TASK performance
VISUALIZATION
REPEATED measures design
DATA analysis software
DESCRIPTIVE statistics
PSYCHOLOGY
Subjects
Details
- Language :
- English
- ISSN :
- 23146133
- Volume :
- 2015
- Database :
- Complementary Index
- Journal :
- BioMed Research International
- Publication Type :
- Academic Journal
- Accession number :
- 109274508
- Full Text :
- https://doi.org/10.1155/2015/687020