For yet more mood enhancement, hang some of those beautiful, chile - decorated Italian glass lamps. (fieryfoodscentral.com)
This reduced capacity to hear natural sound reduces the restorative properties of spending time in nature, such as mood enhancement and stress reduction, interfering with the enjoyment typically experienced by park visitors. (sciencedaily.com)
In a followup study (led by University of Arizona psychologists Jay Sanguinetti and John JB Allen) preliminary results suggest 2 megahertz TUS (which traverses skull more readily) may be more effective in mood enhancement than 8 megahertz TUS. (sciencedaily.com)