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Updated: Feb 2, 2026
05:51
Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness
Published on: May 3, 2018
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Towards Objective Olfactory Evaluation Based On Peripheral Arterial Stiffness And Heart Rate Variability Indices
Summary
This study introduces a system to objectively measure how odors affect the body. Unpleasant smells were found to increase arterial stiffness and alter heart rate variability, indicating a physiological stress response.
Area of Science:
- Physiological responses to olfactory stimuli
- Biomedical engineering for sensory assessment
Background:
- Objective evaluation of odor quality is challenging.
- Existing methods lack quantitative biological response measurements.
- Understanding olfactory impact on cardiovascular health is crucial.
Purpose of the Study:
- To develop and validate an olfactory stimulation-biological response measurement system.
- To quantitatively assess the physiological effects of odor perception.
- To investigate the relationship between odor quality and cardiovascular parameters.
Main Methods:
- Development of a system for controlled olfactory stimulation.
- Simultaneous measurement of arterial stiffness index beta, low frequency/high frequency (LF/HF) ratio, and heart rate (HR).
- Conducting olfactory sensory assessment experiments using the developed system.
Main Results:
- The proposed system successfully measured biological responses to odor stimuli.
- Unpleasant odors significantly increased the arterial stiffness index beta.
- Exposure to unpleasant odors led to an increase in the LF/HF ratio, indicating altered autonomic nervous system balance.
Conclusions:
- The developed system provides a quantitative and objective method for evaluating odor quality based on biological responses.
- Olfactory perception of unpleasant odors can induce measurable physiological stress, specifically increasing arterial stiffness and modifying heart rate variability.
- This research opens avenues for further investigation into the psychophysiological effects of odors.
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