I'm probably flaunting my ignorance here, but how isn't this an extremely tenuous connection? The graphs are unconvincing beyond a "... Maybe? I guess?" and com

I'm probably flaunting my ignorance here, but how isn't this an extremely tenuous connection? The graphs are unconvincing beyond a "... Maybe? I guess?" and comparing brain activity to NN activity seems dubious. I'd be curious what other sounds look like for both.