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Chris Chatham is a postdoctoral researcher at Brown University.
June 30, 2009
[ 
, Cognitive Neuroscience, Computational Modeling ]
How many times did Pavlov ring the bell before his dogs' meals until the dogs began to salivate? Surely, the number of experiences must make a difference, as anyone who's trained a dog would attest. As described in a brilliant...
Posted by Chris Chatham at 11:00 AM • 13 Comments • 0 TrackBacks
June 29, 2009
[ , Cognitive Neuroscience ]
Don't think of a white bear. Doesn't work so well, does it? Yet under some circumstances, people appear to be able to do precisely this: as described last week, young adults are thought (by some) to actually suppress the neural...
Posted by Chris Chatham at 12:35 PM • 1 Comments • 0 TrackBacks
June 26, 2009
[ Cognitive Neuroscience, Link Posts, Miscellaneous ]
An interesting video interview with the author of (the excellent) Mind Wars. Here are direct links to the videos....
Posted by Chris Chatham at 12:52 PM • 1 Comments • 0 TrackBacks
[ , Cognitive Neuroscience ]
The cognitive neurosciences have had high frequency oscillations on the brain: so called "gamma-waves", as recorded on the scalp, have been linked to working memory processes (via their interaction with slower "theta waves"), to cognitive insight, and even to consciousness....
Posted by Chris Chatham at 11:28 AM • 7 Comments • 0 TrackBacks
June 25, 2009
[ , Cognitive Neuroscience ]
By many current theories, we accomplish control over behavior by using the prefrontal cortex to "bias" the competitive dynamics playing out in the rest of the brain. By some models, this bias is positive - it helps the goal-relevant representations...
Posted by Chris Chatham at 11:18 AM • 4 Comments • 0 TrackBacks
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