BS 161 Joseph Ledoux
Brain Science with Ginger Campbell, MD: Neuroscience for Everyone
00:00
The Sub-Cortical Circuits of Life
All organisms have these survival behaviors, whether it's detecting danger, incorporating nutrients, balancing fluids and ions, reproducing and so forth. But invertebrates don't have an amygdala. They have their own nervous systems. Every animal with a nervous system has a survival circuit. It's something that controls those kinds of survival behaviors. So why is fear so universal if not because of this circuit involving the amygdala? Well what's universal is the ability to detect danger and the need to live in every culture they live in.
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