Pupillometry


Emotions such as heightened arousal can make pupils dilate. Belladonna (or deadly  nightshade) was once used by women to dilate their pupils, thus making them seemingly more attractive.

Source: Wade, N. J. & Swanston, M. T. (2013), Visual Perception. An Introduction. 3rd edition, London, Taylor and Francis Group.

Comments & Responses

Leave a Reply