Research published last year shows that *pupil *dilation is inked to the
degree of uncertainty during decision-maling: if somebody is less sure about their
decision, they feel heightened arousal awakening, which causes the pupils to
*dilate. This change in the eye may also reveal あ
: one group Of
researchery/ for example/ found that watching for dilation made it possible to
predict when a cautious person who was used to saying no' Was about to make
ーーー
the tricky decision to say yes"