This is a guest post by Tim Allen, principal engineer at Wharton Research Data Services at the University of Pennsylvania, a member of the Readers Council and an organizer of the Philadelphia Python ...

Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who ...