{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["126(2)"],"submitter":["Mulholland AM"],"pubmed_abstract":["<h4>Introduction</h4>Wearable devices often use photoplethysmography to estimate heart rate (HR) by measuring light reflected from the cutaneous vascular bed. Notably, higher melanin content of the epidermis may reduce the amount of light transmitted through the skin. Previous studies examining the impact of skin tone on photoplethysmographic HR measurement accuracy have produced mixed results; however, none measured epidermal melanin content.<h4>Purpose</h4>To determine whether objectively measured skin pigmentation influences the accuracy of photoplethysmographic HR measurement during rest, exercise, and recovery.<h4>Methods</h4>Skin pigmentation was quantified from colorimeter measures using Individual Typology Angle (ITA°), a strong correlate of epidermal melanin, in 28 healthy adults "],"journal":["European journal of applied physiology"],"pagination":["1057-1066"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12948776"],"repository":["biostudies-literature"],"pubmed_title":["Influence of skin pigmentation on the accuracy and data quality of photoplethysmographic heart rate measurement during exercise."],"pmcid":["PMC12948776"],"pubmed_authors":["Aguiar EJ","Mulholland AM","MacDonald HV","Wingo JE"],"additional_accession":[]},"is_claimable":false,"name":"Influence of skin pigmentation on the accuracy and data quality of photoplethysmographic heart rate measurement during exercise.","description":"<h4>Introduction</h4>Wearable devices often use photoplethysmography to estimate heart rate (HR) by measuring light reflected from the cutaneous vascular bed. Notably, higher melanin content of the epidermis may reduce the amount of light transmitted through the skin. Previous studies examining the impact of skin tone on photoplethysmographic HR measurement accuracy have produced mixed results; however, none measured epidermal melanin content.<h4>Purpose</h4>To determine whether objectively measured skin pigmentation influences the accuracy of photoplethysmographic HR measurement during rest, exercise, and recovery.<h4>Methods</h4>Skin pigmentation was quantified from colorimeter measures using Individual Typology Angle (ITA°), a strong correlate of epidermal melanin, in 28 healthy adults ","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-16T23:25:59.944Z","creation":"2026-07-12T03:11:25.062Z"},"accession":"S-EPMC12948776","cross_references":{"pubmed":["40968160"],"doi":["10.1007/s00421-025-05977-x"]}}