UCLA study shows that individual brain cells track where we are and how we move

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Northerner

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Leaving the house in the morning may seem simple, but with every move we make, our brains are working feverishly to create maps of the outside world that allow us to navigate and to remember where we are.

Take one step out the front door, and an individual brain cell fires. Pass by your rose bush on the way to the car, another specific neuron fires. And so it goes. Ultimately, the brain constructs its own pinpoint geographical chart that is far more precise than anything you'd find on Google Maps.

But just how neurons make these maps of space has fascinated scientists for decades. It is known that several types of stimuli influence the creation of neuronal maps, including visual cues in the physical environment — that rose bush, for instance — the body's innate knowledge of how fast it is moving, and other inputs, like smell. Yet the mechanisms by which groups of neurons combine these various stimuli to make precise maps are unknown.

http://newsroom.ucla.edu/portal/ucla/ucla-neurophysicists-find-that-245726.aspx

Fascinating! 🙂
 
My brain cells aren't as good as they used to be. Once upon a time I could walk a brand new route once and from then on be able to retrace it quite a while afterwards.

Now, I'm not quite so capable (full of self-doubt)!

Andy 🙂
 
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