Why the study?
Persistent stress impacts health and quality of life, and this study evaluates photoplethysmogram signal morphology parameters for mental stress assessment.
Do photoplethysmogram (PPG) signal morphology parameters change in response to mental stress in healthy subjects?
Population
18 healthy subjects
Comparison
Stress assessment using a modified Trier Social Stress Test
Key result
Mental stress was most sensitively detected by PPG morphology parameters including forward wave amplitude A1, diastole duration Td, reflected wave delay T13, and pulse interval Tp.
Authors
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PPG morphology parameters may enable non-invasive stress monitoring; leaves open validation before clinical adoption.
Observational (n=18)
Do photoplethysmogram (PPG) signal morphology parameters change in response to mental stress in healthy subjects?
Specific morphological parameters derived from photoplethysmogram signals, such as forward wave amplitude and diastole duration, are sensitive indicators of mental stress.
Rinkevičius et al. (2019) conducted an observational in Mental stress (n=18). Modified Trier Social Stress Test was evaluated on Sensitivity of PPG morphology parameters to mental stress. Mental stress was most sensitively detected by PPG morphology parameters including forward wave amplitude A1, diastole duration Td, reflected wave delay T13, and pulse interval Tp.
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