Université de Fribourg

Time course of cardiovascular responses induced by mental and orthostatic challenges

Lackner, Helmut Karl ; Goswami, Nandu ; Papousek, Ilona ; Roessler, Andreas ; Grasser, Erik Konrad ; Montani, Jean-Pierre ; Jezova, Daniela ; Hinghofer-Szalkay, Helmut

In: International Journal of Psychophysiology, 2010, vol. 75, no. 1, p. 48-53

Cardiovascular responses to single stressors diminish over time. Interaction of different stressors influencing hemodynamic variables, indicative of stress-induced reactivity and physiological responses are, however, poorly understood. We investigated time course of mental (using mental arithmetic, MA) and orthostatic (using head up tilt, HUT) challenges induced responses in 16 males. Three...

Université de Fribourg

Rate of cardiovascular recovery to combined or separate orthostatic and mental challenges

Goswami, Nandu ; Lackner, Helmut Karl ; Papousek, Ilona ; Jezova, Daniela ; Hinghofer-Szalkay, Helmut ; Montani, Jean-Pierre

In: International Journal of Psychophysiology, 2010, vol. 75, no. 1, p. 54-62

Post stress neurovascular responses induced by physical and mental stress are poorly understood. We investigated the time course of cardiovascular and autonomic recovery, induced by orthostatic and mental challenge, using passive head up tilt (HUT) and mental arithmetic (MA), respectively, when applied singly (MA, HUT) or in combination (MA + HUT). Fifteen healthy males participated in three...