Tag Archives: neuroscience

Brains sound like a wicked-hard space to think about. It’s a tightly connected (but not totally connected) network (graph theory) Each of the nodes’ 3-D location may be important as well (voxels) The signals propagate through time (dynamical) (Source: http://ajp.psychiatryonline.org/article.aspx?articleid=175895)

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http://video.ted.com/assets/player/swf/EmbedPlayer.swf rats’ brains, and presumably ours, tessellate the plane surface we walk on with multiple overlapping triangular grids (is there a mathematical reason triangles are optimal? euler characteristic, perhaps?) “path” neurons in the hippocampus fire as we cross these grids … Continue reading

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(Source: http://citeseerx.ist.psu.edu/viewdoc/download%3Fdoi%3D10.1.1.164.8427%26rep%3Drep1%26type%3Dpdf&ei=5EDtTc_mGcHo0QHUvfGHAQ&usg=AFQjCNFpC5msovlz5b849-g_AQM8wmGA5g&sig2=iGKSvdHK7sQYMEi9FZgxzg)

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Rat hippocampus, photographed by Thomas Deerinck. via billydalto (Source: http://www.olympusbioscapes.com/gallery/2010/2.html)

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The human brain is a highly connected net of 10¹⁰ neurons.

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(Source: http://www.tumblr.com/directory/recommend/science/hiremebecauseimsmart)

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