国際ジャーナルへの論文掲載情報

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Authors: Kenta Matsumura & Takehiro Yamakoshi

Title: iPhysioMeter: A new approach for measuring heart rate and normalized 
pulse volume using only a smartphone

Journal(書誌情報): Behavior Research Methods, 45(4), 1272-1278, 2013

doi: 10.3758/s13428-012-0312-z

論文URL: http://link.springer.com/article/10.3758%2Fs13428-012-0312-z

Abstract: Heart rate (HR) and normalized pulse volume (NPV) are physiological 
indices that have been used in a diversity of psychological studies. However, 
measuring these indices often requires laborious processes. We therefore 
developed a new smartphone program, named iPhysioMeter, that makes it possible 
to measure beat-by-beat HR and ln NPV using only a smartphone. We examined its 
accuracy against conventional laboratory measures. Mental stress tasks were 
used to alter HR and ln NPV in 12 participants. Bland-Altman analyses revealed 
negligible proportional bias for HR and ln NPV or for their change values, 
expressed as ΔHR and Δln NPV. However, a relatively large fixed bias did 
emerge for ln NPV, as well as a small one for Δln NPV, although both were 
within the limits of agreement. These findings suggest that iPhysioMeter can 
yield valid measures of the absolute level of HR and of relative changes in ln 
NPV.

著者Contact先の email: kenta16moon@se.kanazawa-u.ac.jp

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