Dendritic action potentials and computation in human layer 2/3 cortical neurons

Science General Neuroscience
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XOR
XOR900×694 371 KB

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They talk about dendrite performing XOR, but computation here is grey-scale, not binary. Isn’t it more like computing absolute difference, perhaps between outputs of dendritic segments, which sum over active synapses?

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It was mentioned in the Economist, out of all places, so I found open access link: http://www.mashqliu.com/Uploads/file/20201021/2020102120200969969.pdf
This XOR could be a huge deal, but I don’t understand the mechanism behind it.

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What? Where (specifically)?

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Science section, neuron modeling, page 71. It mentions Numenta too, as avoiding catastrophic forgetting.
More recent overview of dendritic spiking: Redirecting

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Going from spiking to bursting, this just popped up on my Twitter feed:

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