cff-version: 1.2.0 abstract: "Heart rate measurements during relived happiness and anger, measured with a smartphone app that relied on photoplethysmography." authors: - family-names: Lakens given-names: Daniel title: "Heart rate changes during relived happiness and anger measured with a smartphone app relying on photoplethysmography" keywords: version: 1 identifiers: - type: doi value: 10.4121/uuid:ab52261c-206b-4bed-a59d-026a16c04144 license: 4TU General Terms of Use date-released: 2013-01-28