Archive for September, 2009

Dead salmon in fMRI machine shows signs of thought (not really)

Monday, September 21st, 2009

This poster, by Bennett, Baird, Miller, and Wolford, provides a memorable reminder that you have to do a statistical correction for multiple comparisons when you datamine a large number of things for correlation.

“The task administered to the salmon involved completing an open-ended mentalizing task. The salmon was shown a series of photographs depicting human individuals in social situations with a specified emotional valence. The salmon was asked to determine what emotion the individual in the photo must have been experiencing.”

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Vector manipulation meets Web2.0

Wednesday, September 16th, 2009