The mere perception of illusory contours causes positive affect. http://psycnet.apa.org/psycinfo/2017-06944-001/ …pic.twitter.com/HpnykiSmNZ
4:41 AM - 17 Feb 2017
from Bonn, Germany
0 replies
4 retweets
12 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.