Writing

All blog posts Data science Sanity checks as data sidekicks. Organizing knowledge A long time ago, I wrote my own note-taking software. This got me thinking a lot about how we organize knowledge on computers. We want to tag things, and for those tags to have their own hierarchy. (also) Wouldn’t it be great if our […]

Research

I finished my PhD in neuroscience in 2010, working in Ken Norman‘s Computational Memory lab at Princeton. Jump to: summary of PhD work on forgetting scientific publications teaching Weakening memories by half-remembering them For my PhD thesis, I worked on a series of behavioral and fMRI memory experiments to understand a little more about forgetting, called ‘Weakening memories by half-remembering […]

How to beat an fMRI lie detector

In a not-so-distant dystopia, you might be placed in a brain scanner to test whether you’re telling the truth. Here’s how to cheat. The polygraph First, you’ll need some background on old-school lie-detection technology. [This is a simplified story – see polygraphs for a richer account.] Polygraphs are seismographs for the nervous system. They measure […]