Octopus, Nervous System

Every arm on an octopus has its own massive nervous system
Octopus arms have segmented nerve systems, controlling movement and sensory input. Each segment enables independent control.
Octopus Arms Are Controlled by a Nervous System That's Like No Other
The neurons in the octopus's arms are concentrated along an axial nerve cord that undulates down the length of each arm, with nodes centered around each of the suckers. It seems complex and focused, and a team led by neuroscientist Cassady Olsen wanted to study it in detail to see if they could learn more about how it functions.
Octopus arms have segmented nervous systems to power extraordinary movements
New research from the University of Chicago revealed that the nervous system circuitry that controls arm movement in octopuses is segmented, giving these extraordinary creatures precise control across all eight arms and hundreds of suckers to explore their environment,
How Do Octopuses Control 8 Arms? Scientists Discover Strange Segmented Nervous System
Never challenge an octopus to a popping and locking dance off, that’s what my grandad always said. With eight worm-like arms, they exhibit extraordinary dexterity and control, and now scientists have uncovered a curious feature of their nervous systems that makes it possible.
Why every arm of an octopus moves with a mind of its own
One of the most striking things about these creatures, however, is the fact that each of their eight arms almost seems to have a mind of its own, allowing an octopus to multitask in a manner that humans can only dream about.
Study unveils the unique nervous system of octopus arms
A study from the University of Chicago has revealed a critical mechanism in the octopus's nervous system that allows for exceptional movement in its eight arms and hundreds of suckers. The study describes the complex neural circuitry of the octopus arm, which is much more complicated than that found in any other animal.
Study Finds That an Octopus' Incredible Eight Arm Dexterity Comes From a Segmented Nervous System
A fascinating study found that the prehensile arms of an octopus are segmented from the rest of the cephalopod's body.
Octopus Arms Boast Segmented Nervous Systems
Octopus arms move with incredible dexterity, bending, twisting, and curling with nearly infinite degrees of freedom. New research from the University
Octopuses can control arms with segmented nervous system, researchers claim
Researchers claim that octopuses can control their arms with a segmented nervous system. The team from the University of Chicago said a large nerve cord runs down each arm, forming a series of segments that allow them to move with extreme dexterity.
US: Octopus Arms Control Movement with Segmented Nervous System, New Research Reveals
Chicago, United States - January 15, 2025 New research from the University of Chicago has uncovered how octopuses control their extraordinary arm movements with a segmented nervous system, providing them with unparalleled precision.
Australian Geographic2d
Serious sea smarts
The mimic octopus, which lives in sandy habitats devoid of any shelter, even impersonates some of the ocean’s deadliest ...
Octopuses could be the next big species after humans
While Nayler's story is wholly fictional, it is not without basis in a very real school of zoological thought, one which holds that octopuses are indeed unique within the animal kingdom as we ...
Civil Beat15d
Octopuses And Their Relatives Are A New Animal Welfare Frontier
While this is useful in mammals, the nervous system of an octopus is built completely differently. Over half of the ...
Scientific American23d
Are Octopuses Too Smart to Be Farmed?
While this is useful in mammals, the nervous system of an octopus is built completely differently ... but distributed in “mini-brains,” or ganglia, in the arms. Within the central brain ...