Author Archive

Is Twitter an Echo Chamber?

I’ve been a member of both Facebook and Twitter for many years, and my experiences with the two couldn’t be more different. While both are “social” in the broadest sense, […]... More>

Who Are You? Identity and Dementia

Phineas Gage is arguably the most famous case study in the history of neuroscience. Gage was a railroad worker who in the autumn of 1848 was helping to prepare a […]... More>

The Neurology of Lending

Back in 1976, a young professor in Bangladesh starting making dubious low-interest loans to the rural poor of his country. Yunus Muhammad had the crazy idea that even impoverished farmers—men […]... More>

Impossible Knowledge: Are You an Expert?

I grew up with a habitual overclaimer. He wildly exaggerated his expertise, at times claiming knowledge of things he couldn’t possibly know—people, events, ideas that simply do not exist. Being […]... More>

I’m rich. You must be, too.

“Let me tell you about the very rich,” the novelist F. Scott Fitzgerald wrote in the 1920s. “They are different from you and me.” “Yes,” his friend and rival Ernest […]... More>