Thanks! However, neurons in smaller organisms tend to be smaller. So I think the actual brain mass of humans would be similar to the land arthropods and the nematodes. Fish are larger organisms, so it does look like the brain mass of fish would be significantly larger than humans. There is the question of whether a larger neuron could provide more value or dis-value than a smaller neuron. If it is the same, then neuron count would be the relevant number.
Thanks! However, neurons in smaller organisms tend to be smaller. So I think the actual brain mass of humans would be similar to the land arthropods and the nematodes. Fish are larger organisms, so it does look like the brain mass of fish would be significantly larger than humans. There is the question of whether a larger neuron could provide more value or dis-value than a smaller neuron. If it is the same, then neuron count would be the relevant number.