[webmaven]

> It involves the realization that different brain regions must communicate, but also contain their own representation of reality.

Sure, but this is complicated by regions being fuzzy and overlapping (or perhaps interpenetrating).

[pontifier]

Each part in a healthy brain should ideally take input, process it somehow, and reflect back an echo that amplifies and dampens the parts that match it's representation of reality. The lines between regions aren't as important.

I'm almost thinking about how this could be turned into a device for conveying information with actual echos.

[webmaven]

> I'm almost thinking about how this could be turned into a device for conveying information with actual echos.

Like the acoustic delay line memory used in early computers?

https://en.m.wikipedia.org/wiki/Delay_line_memory#Mercury_de...