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Chris Chatham is a grad student at the University of Colorado, Boulder.

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Cognitive Neuroscience:

New Optogenetic Tool for Neural Inhibition

 BPR Cognitive Neuroscience ] 

A fascinating paper from Gradinaru et al describes a genetically engineered mouse model of Parkinson's disease that expresses a photoreceptor in the neurons of a particular part of the brain - the subthalamic nucleus (STN). This area is widely thought...

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fMRI of a dead salmon: Why dead fish have almost nothing to do with "voodoo correlations" in neuroimaging

 BPR Cognitive Neuroscience ] 

A number of very smart people (and smart communities) seem like they might be under the impression that the "voodoo correlations" scandal in the neuroimaging community is somehow related to recent work by Bennett et al, who used fMRI to...

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Monitoring in the Psychological Refractory Period (of a sort)

 BPR Cognitive Neuroscience ] 

Something's afoot when a massively parallel and distributed system shows a bottleneck in performance. We've known that numerous bottlenecks plague cognition since the 1940's, but only with recent advances in neuroimaging have we been able to say whether these bottlenecks...

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Maximizing Mastication: Chewing Gum To Enhance Cognition

 BPR Cognitive Neuroscience ] 

Children assigned to chew sugar-free gum purportedly score 3% higher on standardized tests of math skills (as widely reported in the press). But is this just one of the 5% of all possible untrue hypotheses statistically guaranteed to have some...

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Live Webcast of Neuroimaging Summer School @ UCLA

Cognitive Neuroscience ] 

The UCLA Neuroimaging Summer Education Program starts today at 8:30 am Pacific. Standard Time - and is going to be streaming live at this address (video embedded below). The schedule is quite impressive, including talks from Rick Buxton, Mark Cohen,...

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Pavlov's Dogs: Proving the Null With Bayesianism

 BPR Cognitive NeuroscienceComputational 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...

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Inhibitory decline with age: The influence of failed strategy.

 BPR 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...

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Mind Wars: Jonathan Moreno, Neuroscience and the Military

Cognitive NeuroscienceLink PostsMiscellaneous ] 

An interesting video interview with the author of (the excellent) Mind Wars. Here are direct links to the videos....

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Gamma: Insight and Consciousness... Or just Microsaccades?

 BPR 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....

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Enhancing The Magnitude and Speed of Neural Activity - And Suppressing It?

 BPR 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...

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