Mind Matters Natural and Artificial Intelligence News and Analysis

TagNematode worm

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Vibrant illustration of astrocytes wrapping around neurons in the human brain, highlighting synaptic connections

A Neuroscientist on the Limits of the “Cutting Edge” of His Field

As Dr. Joseph Green tells his podcast hosts, although scientists can observe all 302 nematode worm neurons, they cannot fully explain how the worm moves or finds food

The problem with neuroscience today, Dr. Green says, isn’t lack of data, but lack of a unifying theory.

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Generations

Even the Tiniest Brain in Nature Is Not Simple

Researchers have found that the worm with smallest known brain shows some surprisingly complex behaviors

The worm C. elegans can learn, using both associative and non-associative learning, despite having a brain of less than 400 neurons.

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Strongyloides stercoralis (threadworm) in stool, analyze by microscope

Stretton’s Paradox: The Paradox of the Lowly Worm

Because nature is full of intelligence, the more we learn, even about a worm, the less we "know"

George Gilder used the term “Stretton’s paradox” in connection with the attempt to understand the human connectome, the white matter in your brain that is as dense as the entire internet.

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New York City skyline

Can We Understand the Brain the Way We “Understand” New York City?

The “connectome” (a complete “wiring diagram” of the brain) is giving neuroscientists pause for thought

If the brain is immensely complex, it may elude complete understanding in detail. Deep Learning may survey it but that won’t convey understanding to us. We may need to look at more comprehensive ways of knowing.

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