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Charles (Chuck) Bryant

👤 Person
851 total appearances

Appearances Over Time

Podcast Appearances

Stuff You Should Know
THE HUMAN SCREAM

So let's talk about sound for a minute because all sound comes from and is perceived by us through a series of processes in the brain.

Stuff You Should Know
THE HUMAN SCREAM

And most of these are in the higher brain region, but screams are different.

Stuff You Should Know
THE HUMAN SCREAM

They happen in the lower brain region.

Stuff You Should Know
THE HUMAN SCREAM

And it's a very interesting thing.

Stuff You Should Know
THE HUMAN SCREAM

It kind of lives in its own, as far as like humans making sound, lives in its own area.

Stuff You Should Know
THE HUMAN SCREAM

It's very distinct from all the other sounds we make.

Stuff You Should Know
THE HUMAN SCREAM

So for screams and some involuntary vocalizations, but really screams, the sound production takes a different and like you said, a much faster path.

Stuff You Should Know
THE HUMAN SCREAM

The signal starts in the limbic system and it skips that higher brain processing.

Stuff You Should Know
THE HUMAN SCREAM

It happens in the amygdala, basically.

Stuff You Should Know
THE HUMAN SCREAM

The emotional stimulus that the amygdala is all about just sends a scream signal.

Stuff You Should Know
THE HUMAN SCREAM

It's sort of like a direct path, like an express train through that brain stem to all the anatomy that you were talking about and the neck junk.

Stuff You Should Know
THE HUMAN SCREAM

And that scream just comes out immediately.

Stuff You Should Know
THE HUMAN SCREAM

And the craziest part is our body actually picks up on this immediately.

Stuff You Should Know
THE HUMAN SCREAM

before our ears and brain can even process what we've just heard.

Stuff You Should Know
THE HUMAN SCREAM

And I mean, that's why when somebody screams like a blood curdling scream out in public, you're you're instantly reacting.

Stuff You Should Know
THE HUMAN SCREAM

You don't hear that and then decide like, well, maybe I should go see what's going on over there.

Stuff You Should Know
THE HUMAN SCREAM

Like your body is instantly reacting because it is unconsciously picked up on that scream before it's even registered in your brain.