Impact of Colored Light on Cardiorespiratory Coordination

Joint Authors

Edelhäuser, Friedrich
Weinzirl, Johannes
Hak, Florian
Cysarz, Dirk
Matthiessen, Peter F.
Kleinrath, Ullrich
Lühr, Birgit

Source

Evidence-Based Complementary and Alternative Medicine

Issue

Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-7, 7 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2013-12-31

Country of Publication

Egypt

No. of Pages

7

Main Subjects

Medicine

Abstract EN

Background.

Light exposure to the eye can influence different physiological functions, for example, the suprachiasmatic nucleus (SCN).

By affecting the autonomic nervous system, the SCN may influence the heart rate variability (HRV).

Standardized colored light exposure alters HRV but the results are inconsistent.

In this study we investigated the effects of nonstandardized red light (approx.

640 nm) and blue (approx.

480 nm) light (approx.

50 lx) on cardiorespiratory coordination and HRV.

Methods.

17 healthy subjects (7 males, age: 26.5 ± 6.2 years) were exposed to the following sequence (10 minutes each): daylight-red light-daylight-blue light-daylight.

Red and blue lights were created by daylight passing through colored glass panes.

Spectral measures of HRV (LF: low frequency, HF: high frequency oscillations, and sympathovagal balance LF/HF) and measures of cardiorespiratory coordination (HRR: heart respiration ratio, PCR: phase coordination ratio) were analyzed.

Results.

The LF component increased and the HF component decreased after red light.

Consequently, LF/HF increased after red light.

Furthermore, during red light HRR and PCR confined to 4 : 1, that is, 4 heartbeats during one respiratory cycle.

Conclusion.

Nonstandardized red and blue lights are able to alter the autonomic control reflected by HRV as well as cardiorespiratory coordination.

American Psychological Association (APA)

Edelhäuser, Friedrich& Hak, Florian& Kleinrath, Ullrich& Lühr, Birgit& Matthiessen, Peter F.& Weinzirl, Johannes…[et al.]. 2013. Impact of Colored Light on Cardiorespiratory Coordination. Evidence-Based Complementary and Alternative Medicine،Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-499957

Modern Language Association (MLA)

Edelhäuser, Friedrich…[et al.]. Impact of Colored Light on Cardiorespiratory Coordination. Evidence-Based Complementary and Alternative Medicine No. 2013 (2013), pp.1-7.
https://search.emarefa.net/detail/BIM-499957

American Medical Association (AMA)

Edelhäuser, Friedrich& Hak, Florian& Kleinrath, Ullrich& Lühr, Birgit& Matthiessen, Peter F.& Weinzirl, Johannes…[et al.]. Impact of Colored Light on Cardiorespiratory Coordination. Evidence-Based Complementary and Alternative Medicine. 2013. Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-499957

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-499957