4 ms·
Kind of a crossover thing from the blind cooking post, but it's interesting that they have smaller eyes and smaller brains. Basically, if you assume that visio
by pugworthy 3y ago
Kind of a crossover thing from the blind cooking post, but it's interesting that they have smaller eyes and smaller brains.
Basically, if you assume that vision requires a lot of compute power to process, and that compute power (that is, brains) are major energy users, those with simpler vision processing needs use less energy.
It's kind of a first principles thing I suppose. What uses a lot of energy? Brain. What is the brain doing a lot? Managing vision. Idea? Reduce vision input.
- tough 3y agohow does this apply to octopuses having brain-like tissue ina ll it's arms?
- adrian_b 3y agoThey have that for the same reason, because they have huge arrays of sensors in their arms and they need to process their output close to the sensors, due to the low speed of propagation of signals through nerves. An artificial robot does not have these constraints of proximity between sensors and the place where their output is processed, because the delay over electrical wires is negligible at the time scale of most sensor outputs.
- samus 3y agoA big factor is also the lack of predators. To help avoid predators, it helps to have good eyes and the brains to process what you see. If there are no predators, then other factors exert their influence. Large, complex organs consume lots of energy and "harmful" mutations that shrink them will accumulate because the lack of energy on prehistoric Mallorca makes that an advantage.