Breathing Space: Spatial Mapping of Breath and Cardiac Biofeedback for Affective State Representation and Coherence Training in Viscereality. - George Fejer; Till Holzapfel; Taru Hirvonen; Anestis Lalidis Mateo; Johannes Blum 002; Michael Gaebler; Bigna Lenggenhager (AlpCHI, 2026)