Jordan Peterson does not understand evolution or nervous systems! Jordan Peterson thinks that because lobsters exhibit dominance hierarchies, dominance hierarchies are a metazoan universal, and that serotonin puts hierarchies into all brains. This is, of course, flaming bullshit.
Articles cited:
Erwin DH, Laflamme M, Tweedt SM, Sperling EA, Pisani D, Peterson KJ (2011) The Cambrian conundrum: early divergence and later ecological success in the early history of animals. Science 334(6059):1091-7.
Fong PP, Ford AT (2014) The biological effects of antidepressants on the molluscs and crustaceans: A review. Aquatic Toxicology 151: 4-13.
Venter JC, di Porzio U, Robinson DA, Shreeve SM, Lai J, Kerlavage AR, Fracek SP Jr, Lentes KU, Fraser CM. (1988) Evolution of neurotransmitter receptor systems. Prog Neurobiol 30(2-3):105-69.
