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The Hidden Psychology Of Highly Sensitive People - Dr Sasha Hamdani - #1147
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What Actually Causes Emotional Sensitivity?
At 10:20 · chapter starts 7:07
This is the neuroscience deep-dive at the heart of the episode. Dr. Hamdani explains that RSD is built on three interlocking failures: a threat-detector (the amygdala) set permanently to high alert, a rational override system (the prefrontal cortex) running below capacity, and a frayed neural highway between the two. Dopamine imbalance means there is not enough of the right neurotransmitter at the right time to dampen the emotional cascade. Norepinephrine then floods the body with alarm chemicals — elevating heart rate, causing sweating and trembling — convincing the person that something genuinely dangerous is happening. Chris illustrates the opposite end of the spectrum with footage of Dana White calmly observing an active shooter situation at the White House Correspondents' Dinner, visibly enjoying the spectacle while everyone else hides under tables — a vivid real-world example of an underactive amygdala. [1] — Dr. Sasha Hamdani "When rejection hits, the norepinephrine surge isn't metaphorical — heart rate spikes, chest tightens, and people think they're having a hea…" 09:33
When rejection hits, the norepinephrine surge isn't metaphorical — heart rate spikes, chest tightens, and people think they're having a heart attack or panic attack. Your body is screaming 'danger' long before your brain has time to check whether the threat is real.
Emotionally sensitive people have a hyperactive amygdala, an underactive prefrontal cortex, and a frayed connection between the two — making emotional regulation structurally harder.
