visual neuroscience
ddobbs | May 12, 2010Traveling. But here's what I'm reading during train, plane, and bus rides -- and over meals:
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Gravity-defying ramps take illusion prize. This contest always produces fascinating stuff. This time, the ball rolls up. Video here.

Vaughan Bell ponders cortisol, dopamine, neuroplasticity, and other things that set off his bullshit detector. Riff launched from a post from Neuroskeptic on cortisol and childcare scare stories, equally read-worthy.
Dan Vorhaus does a wonderful round-up of reactions and implications stemming from the news that genetic testing is coming to Walgreens. Best blog-…
ddobbs | May 19, 2009
Found some Koufax footage. About halfway through this short clip he Ks Mantle, looking, and a bit later, in the dark footage toward the end, is a good strip of him throwing the devastating curve. Note there the emphatic downward motion of his shoulder -- which brought down his hand the faster, which (along with big, flexible hands and fingers) helped him make the ball spin 15 times on the way to the plate instead of the MLB-standard 12-13.
Following up my curveball coverage of last week, faithful reader and Cognitive Daily maestro Dave Munger wrote in noting that Arthur Shapiro, one of the…
ddobbs | May 15, 2009
Koufax, bringing the four-seamer. God save the guy at the plate.
I always look forward to the Illusion of the Year contest, but this year brings a special treat: a new explanation of how the curveball baffles batters.
Just a few days ago, during BP, my friend Bill Perreault threw me one of those really nasty curves of his, and though I read it about halfway in, I was still ahead -- and still unprepared for the sudden slanting dive it made at that last crucial moment. The good curves do that: Even when you have that millisecond of curveball detection beforehand, they still seem to take a…