There is a lot of evidence implicating the thalamus (esp the central thalamus) and likely brain stem structures such as the locus coeruleus. But birds do have something analogous to the c. cortex at the micro level, it just doesnt have 6+lamina. Still, yum!https://twitter.com/SquashedBox/status/1223726232560336898 …
I think those interested in neurophilosophy should pay close attention to the debates about animal rights. Some arguments used by advocates of animal rights can make us rethink the ethical limitations of neuroscientific experiments.