The contribution of cardiac vagal activity on peripheral perception under pressure.

The aim of this study is to explore the contribution of cardiac vagal activity (CVA), derived from heart rate variability (HRV), on peripheral perception under pressure. Forty-nine participants (n=49) completed a peripheral perception task under pressure. Peripheral perception was measured via the Vienna system from which performance variables were derived (total field of vision, total correct reactions, total incorrect reactions and omitted reactions).