Key result
A smartphone app using photoplethysmography successfully measured higher heart rates during relived anger and happiness outside a laboratory environment.
Why the study?
Can a smartphone app using photoplethysmography measure heart rate differences associated with emotional states?
Can a smartphone app using photoplethysmography measure heart rate differences associated with emotional states?
Answers are grounded in this paper and cite their sources.
Smartphone-based photoplethysmography is feasible for detecting heart rate changes associated with emotional states outside of clinical settings.
This study demonstrates the feasibility of measuring heart rate (HR) differences associated with emotional states such as anger and happiness with a smartphone. Novice experimenters measured higher HRs during relived anger and happiness (replicating findings in the literature) outside a laboratory environment with a smartphone app that relied on photoplethysmography.
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Daniël Lakens (2013) studied this question. A smartphone app using photoplethysmography successfully measured higher heart rates during relived anger and happiness outside a laboratory environment.
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