Meet Portia
December 28, 2014 6:18 PM Subscribe
Portia is a jumping spider that eats other spiders, through complex layers[PDF] of visual recognition and planned, trial-and-error[PDF, html] movement, even losing sight of it's target. How does a hunter get to be smarter than the prey, while having the same number of neurons, not even as many as a honeybee? Well, that's the interesting part ...
Iterating Towards Bethlehem, via Echofuckingpraxia
Iterating Towards Bethlehem, via Echofuckingpraxia
Araneophagic jumping spiders discriminate between detour routes that do and do not lead to prey
Reliance on trial and error signal derivation by Portia africana, an araneophagic jumping spider from East Africa posted by the man of twists and turns at 6:38 PM on December 28, 2014 [12 favorites]
Awesome, and satisfying the "I need to learn more about Portia" itch that has been in the back of my head every since reading Echopraxia.
posted by blahblahblah at 8:12 PM on December 28, 2014 [3 favorites]
posted by blahblahblah at 8:12 PM on December 28, 2014 [3 favorites]
Jumping spiders are the cutest spiders. This is a fact.
posted by Ferreous at 8:23 PM on December 28, 2014 [9 favorites]
posted by Ferreous at 8:23 PM on December 28, 2014 [9 favorites]
This was actually a plot point in Peter Watts's latest novel Echopraxia.
posted by cthuljew at 10:24 PM on December 28, 2014
posted by cthuljew at 10:24 PM on December 28, 2014
From multiple angles -- SAT solving, deep learning, and biology -- we're learning quite a bit about learning.
It's simpler and stranger than we thought.
posted by effugas at 11:29 PM on December 28, 2014
It's simpler and stranger than we thought.
posted by effugas at 11:29 PM on December 28, 2014
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