There's existing literature on using fMRI on patients with a coma to detect conscious awareness. Here is one example (that references further papers): https://

There's existing literature on using fMRI on patients with a coma to detect conscious awareness. Here is one example (that references further papers): https://www.frontiersin.org/articles/10.3389/fnins.2019.00976/full https://www.frontiersin.org/articles/10.3389/fnins.2019.0097...