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Manipulating it has been shown to be powerful, affecting cognitive performance, mood and even physiology, our work envisions and implements a smart office prototype, capable of digitally transforming its atmosphere - creating what we call Mediated Atmospheres (MA) - using computationally controlled lighting, video projection and sound. Additionally, we equipped this space with a modular real-time data collection infrastructure, integrating a set of biosignal sensors. Through a user study (N=29) we demonstrate MA's effects on occupants\u2019 ability to focus and to recover from a stressful situation. Our evaluation is based on subjective measurements of perception, as well as objective measurements, extracted from recordings of heart rate variability and facial features. We compare multiple signal processing approaches for quantifying changes in occupant physiological state. Our findings show that MA significantly (p&lt;0.05) affect occupants\u2019 perception as well as physiological response, which encouragingly correlate with occupants\u2019 perception. Our findings is a first step towards personalized control of the ambient atmosphere to support wellbeing and productivity.<\/jats:p>","DOI":"10.1145\/3090096","type":"journal-article","created":{"date-parts":[[2017,6,30]],"date-time":"2017-06-30T18:32:46Z","timestamp":1498847566000},"page":"1-23","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":27,"title":["Mediated Atmospheres"],"prefix":"10.1145","volume":"1","author":[{"given":"Nan","family":"Zhao","sequence":"first","affiliation":[{"name":"MIT Media Lab"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asaph","family":"Azaria","sequence":"additional","affiliation":[{"name":"MIT Media Lab"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph A.","family":"Paradiso","sequence":"additional","affiliation":[{"name":"MIT Media Lab"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2017,6,30]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Tenth International Conference on Solid State Lighting 7784","author":"Aldrich Matthew","year":"2010","unstructured":"Matthew Aldrich , Nan Zhao , and Joseph Paradiso . 2010 . 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