Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

Abstract

Previous research has supported the use of virtual reality (VR) to decrease stress, anxiety, perceptions of pain, and increase positive affect. However, the effect of VR on blood pressure (BP) and autonomic function in healthy populations have not been explored. This study quantifies the effect of instructed meditation augmented by a virtual environment (VE) on BP and heart rate variability (HRV) during rest and following physical (isometric handgrip) or mental (serial sevens subtraction) stress. Sixteen healthy participants underwent all conditions, and those that responded to the stress tests were included in the analysis of stress recovery. Results showed that under resting conditions, VE had no significant effect on BP or HRV when compared to seated rest and the VE video on a 2D screen. Following serial sevens, VE maintained the increased low frequency (LF) power of HRV (66±4 normalized units (n.u.)) compared to seated rest (55±5 n.u., p=0.0060); VE maintained the decreased high frequency (HF) power of HRV (34±4 n.u.) compared to seated rest (44±5 n.u., p=0.014); and VE maintained the increased LF/HF ratio (2.4±0.5) compared to seated rest (1.6±0.3, p=0.012). Hence, after mental stress, VE sustains the increased sympathetic drive and reduced parasympathetic drive. VE may act as a stimulatory driver for autonomic activity and BP. Further studies are required to investigate the effect of different types of VE on BP and autonomic function.

LanguageEnglish
Title of host publication2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages2768-2771
Number of pages4
Volume2018-July
ISBN (Electronic)9781538636466
ISBN (Print)9781538636473
DOIs
Publication statusPublished - 1 Jul 2018
Event40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2018 - Honolulu, United States
Duration: 18 Jul 201821 Jul 2018

Conference

Conference40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2018
CountryUnited States
CityHonolulu
Period18/07/1821/07/18

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Meditation
Virtual reality
Heart Rate
Blood Pressure
Blood pressure
Pain Perception
Exercise Test
Healthy Volunteers
Anxiety
Research
Population

Cite this

Kazzi, C., Blackmore, C., Shirbani, F., Tan, I., Butlin, M., Avolio, A. P., & Barin, E. (2018). Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability. In 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (Vol. 2018-July, pp. 2768-2771). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/EMBC.2018.8512816
Kazzi, Christina ; Blackmore, Conner ; Shirbani, Fatemeh ; Tan, Isabella ; Butlin, Mark ; Avolio, Alberto P. ; Barin, Edward. / Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability. 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Vol. 2018-July Institute of Electrical and Electronics Engineers (IEEE), 2018. pp. 2768-2771
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abstract = "Previous research has supported the use of virtual reality (VR) to decrease stress, anxiety, perceptions of pain, and increase positive affect. However, the effect of VR on blood pressure (BP) and autonomic function in healthy populations have not been explored. This study quantifies the effect of instructed meditation augmented by a virtual environment (VE) on BP and heart rate variability (HRV) during rest and following physical (isometric handgrip) or mental (serial sevens subtraction) stress. Sixteen healthy participants underwent all conditions, and those that responded to the stress tests were included in the analysis of stress recovery. Results showed that under resting conditions, VE had no significant effect on BP or HRV when compared to seated rest and the VE video on a 2D screen. Following serial sevens, VE maintained the increased low frequency (LF) power of HRV (66±4 normalized units (n.u.)) compared to seated rest (55±5 n.u., p=0.0060); VE maintained the decreased high frequency (HF) power of HRV (34±4 n.u.) compared to seated rest (44±5 n.u., p=0.014); and VE maintained the increased LF/HF ratio (2.4±0.5) compared to seated rest (1.6±0.3, p=0.012). Hence, after mental stress, VE sustains the increased sympathetic drive and reduced parasympathetic drive. VE may act as a stimulatory driver for autonomic activity and BP. Further studies are required to investigate the effect of different types of VE on BP and autonomic function.",
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Kazzi, C, Blackmore, C, Shirbani, F, Tan, I, Butlin, M, Avolio, AP & Barin, E 2018, Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability. in 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). vol. 2018-July, Institute of Electrical and Electronics Engineers (IEEE), pp. 2768-2771, 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2018, Honolulu, United States, 18/07/18. https://doi.org/10.1109/EMBC.2018.8512816

Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability. / Kazzi, Christina; Blackmore, Conner; Shirbani, Fatemeh; Tan, Isabella; Butlin, Mark; Avolio, Alberto P.; Barin, Edward.

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Vol. 2018-July Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 2768-2771.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

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Kazzi C, Blackmore C, Shirbani F, Tan I, Butlin M, Avolio AP et al. Effects of instructed meditation augmented by computer-rendered artificial virtual environment on heart rate variability. In 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Vol. 2018-July. Institute of Electrical and Electronics Engineers (IEEE). 2018. p. 2768-2771 https://doi.org/10.1109/EMBC.2018.8512816