Tegan McCaslin – AI Impacts

Primates vs birds: Is one brain architecture better than the other?

The boring answer to that question is, “Yes, birds.” But that’s only because birds can pack more neurons into a walnut-sized brain than a monkey with a brain four times that size. So let’s forget

Image credit: By J. Arthur Thomson - http://www.gutenberg.org/files/17786/17786-h/17786-h.htm, Public Domain, https://commons.wikimedia.org/w/index.php?curid=9943793

Investigation into the relationship between neuron count and intelligence across differing cortical architectures

Survey participants (n = 83) were given anonymized descriptions of behavior in the wild for four animals: one bird species and one primate species with a similar neuron count, and one bird species and one

Brain wiring: The long and short of it

When I took on the task of counting up all the brain’s fibers and figuratively laying them end-to-end, I had a sense that it would be relatively easy–do a bit of strategic Googling, check out

Transmitting fibers in the brain: Total length and distribution of lengths

The human brain’s approximately 86 billion neurons are probably connected by something like 850,000 km of axons and dendrites. Of this total, roughly 80% is short-range, local connections (averaging 680 microns in length), and approximately