Quick - What's closer to 1/150: 1/50 or 1/1000?
If you said 1/1000, you've given the answer provided more often by second graders than by undergraduates. And you're also right....
Posted by Chris Chatham at 2:51 PM • 8 Comments • 0 TrackBacks
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Chris Chatham is a grad student at the University of Colorado, Boulder.
September 30, 2008
If you said 1/1000, you've given the answer provided more often by second graders than by undergraduates. And you're also right....
Posted by Chris Chatham at 2:51 PM • 8 Comments • 0 TrackBacks
September 26, 2008
[
, Developmental Psychology ]
My friend Geoff once said that "all cognition is social." Smugly, I reminded myself that the conclusions of cognitive psychologists are drawn on evidence where social cues are kept constant. But even in the absence of confounding social cues, perhaps...
Posted by Chris Chatham at 2:32 PM • 0 Comments • 0 TrackBacks
September 15, 2008
[ Cognitive Neuroscience, Computational Modeling ]
Much has been written about the nonspatial functions of the parietal lobe, but these nonspatial functions are rarely evaluated as to whether they are also nonmotoric or reflect some covert form of spatial attention. Establishing whether the parietal lobe has...
Posted by Chris Chatham at 6:04 PM • 5 Comments • 0 TrackBacks
September 12, 2008
[
, Artificial Intelligence, Cognitive Neuroscience ]
Much evidence supports the idea that parietal cortex is involved in the simple maintenance of information, such as in object permanence paradigms (also here) and other tasks. This evidence is part of the justification for the "parietofrontal integration theory", which...
Posted by Chris Chatham at 1:01 PM • 1 Comments • 0 TrackBacks
September 3, 2008
[
, Cognitive Neuroscience, Developmental Psychology ]
Visual perception is constantly challenged by visual occlusion: objects in our environment constantly obscure one another, and seem to "disappear" when in fact they are nonetheless present. Young infants begin to demonstrate a basic understanding of "object permanence" at some...
Posted by Chris Chatham at 11:30 AM • 1 Comments • 0 TrackBacks
September 2, 2008
[
, Cognitive Neuroscience, Computational Modeling ]
An absence of evidence is not itself evidence for the absence of a particular effect. This simple problem - generally known as the problem of null effects - yields many difficulties in cognitive science, making it relatively easier to parcellate...
Posted by Chris Chatham at 10:13 AM • 2 Comments • 0 TrackBacks
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