EMOTION SIGNALS. “The evolution of trichromatic vision and high visual acuity within Old World primates have been partially linked to their extensive and frequent use of visual communication including facial displays.”
https://lnkd.in/di-WAXE
EMOTION SIGNALS. “The evolution of trichromatic vision and high visual acuity within Old World primates have been partially linked to their extensive and frequent use of visual communication including facial displays.”
https://lnkd.in/di-WAXE