Queen - Bohemian Rhapsody

Queen - Bohemian Rhapsody









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Sphereflakes

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January 13, 2013 (1 photo)

January 13, 2013 (1 photo)









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Mapping a Living Brain, Neuron by Neuron It looks like an oddly shaped campfire, but it is activity ...

Mapping a Living Brain, Neuron by Neuron



It looks like an oddly shaped campfire, but it is activity of individual neurons across a larval fish brain. It is the first time that researchers have been able to image an entire vertebrate brain at the level of single cells.



Brain function relies on communication between large populations of neurons across multiple brain areas, a full understanding of which would require knowledge of the time-varying activity of all neurons in the central nervous system. Here we use light-sheet microscopy to record activity, reported through the genetically encoded calcium indicator GCaMP5G, from the entire volume of the brain of the larval zebrafish in vivo at 0.8 Hz, capturing more than 80% of all neurons at single-cell resolution. Demonstrating how this technique can be used to reveal functionally defined circuits across the brain, we identify two populations of neurons with correlated activity patterns. One circuit consists of hindbrain neurons functionally coupled to spinal cord neuropil. The other consists of an anatomically symmetric population in the anterior hindbrain, with activity in the left and right halves oscillating in antiphase, on a timescale of 20 s, and coupled to equally slow oscillations in the inferior olive.



NATURE Methods | Article:

http://www.nature.com/nmeth/journal/vaop/ncurrent/full/nmeth.2434.html



Video Nature: nmeth.2434_video_s4



Brain Activity Map Project: http://en.wikipedia.org/wiki/Brain_Activity_Map_Project



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Twinkle, Twinkle Musical Star

Twinkle, Twinkle Musical Star Early musical nurturing spreads a wide creative ripple through life.

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Science Magazine: Sign In

Science Magazine: Sign In

As a service to the community, AAAS/ Science has made this article free with registration. User Login. Sign In. Remember me. Forgot your user/password? Submit. Register for Free Join/Subscribe. Are Wo...





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The “Language” Gene and Women’s Wagging Tongues | Guest Blog, Scientific American Blog Network

The “Language” Gene and Women’s Wagging Tongues | Guest Blog, Scientific American Blog Network Aka, How to Twist Science to Reinforce Gender Stereotypes Genes are subject to multiple layers of regulation. An early regulatory point is transcription. During this process, regulatory ...

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