“…Findings from several studies of non-patient groups suggest that even brief visual encounters with real or simulated nature settings can elicit significant psychophysiological restoration within 3-5 min at most, or as quickly as 20 s (e.g., Fredrickson and Levenson, 1998;Hartig et al, 1995;Parsons and Hartig, 2000;Ulrich et al, 1991;Van den Berg et al, 2003). This restoration is manifested as reduced negative affect, heightened positive affect, and changes in physiological systems indicative of lower arousal or stress mobilization (electrocortical, cardiovascular, neuroendocrine, musculoskeletal) (Parsons and Hartig, 2000).…”