Matt’s Reviews > Thinking, Fast and Slow > Status Update

Matt
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Attention and effort - Do hard calculations under time stress (system 2) and pupils dilate. Relax between tasks, and they shrink back down. Concentrating on system 2 can make you 'blind.'. Like the invisible gorilla. As you become skilled, energy use, and pupil dilation decreases.
— Nov 19, 2012 07:37PM
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