“…Autonomic Reactivity. Depression is also associated with psychophysiological stress reactivity (Bylsma et al, 2008(Bylsma et al, , 2014Nelson, Byrne, Sheeber, et al, 2017), with most research finding blunted autonomic responses as depressive symptoms increase (Carroll et al, 2007;Phillips, 2011;Salomon et al, 2009;Schwerdtfeger & Rosenkaimer, 2011;Stange et al, 2017;York et al, 2007), although some findings have been mixed, with regard to the direction of effects (Kibler & Ma, 2004;Light et al, 1998;Matthews et al, 2005;Stange et al, 2017). As Schwerdtfeger and Rosenkaimer (2011) point out, these mixed findings may be due to type of stressor (active vs. passive).…”