Our Research The PhysioCam and neural metrics have a proven peer-reviewed research history Anxiety disorders are associated with reduced heart rate variability: a meta-analysis John A. Chalmers, Daniel S. Quintana, Maree J.-Anne Abbott and Andrew H. Kemp The PhysioCam: a novel noncontact sensor to Measure heart rate Variability in clinical and Field applications Maria I. Davila, Gregory F. Lewis and Stephen W. Porges Impact of Depression and Antidepressant Treatment on Heart Rate Variability: A Review and Meta-Analysis Andrew H. Kemp, Daniel S. Quintana, Marcus A. Gray, Kim L. Felmingham, Kerri Brown, and Justine M. Gatt Chapter 4 from Porges SW & Dana D (2018). Clinical Applications of the Polyvagal Theory: The Emergence of Polyvagal-Informed Therapies. Stephen W. Porges Depression and resting state heart rate variability in children and adolescents — A systematic review and meta-analysis Julian Koenig, AndrewH. Kempc, Theodore P. Beauchaine, Julian F. Thayer, Michael Kaess Orienting in a defensive world: Mammalian modifications of our evolutionary heritage. A Polyvagal Theory Stephen W. Porges Contact Us hello@televagal.com (UK) +44 20 3096 0620 (US) +1 (617) 861-6282 First Name Last Name Email Phone Message Send Sign up for our mailing list First Name Last Name Email Sign up Quantified depression and anxiety measurements from video Home Order Projects Team Research User Guide Login Facebook Linkedin