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Scientists proved that a 20-second hug releases oxytocin.
During hugging, the brain releases oxytocin, known as the "love hormone." This hormone lowers blood pressure, slows heart rate, and reduces stress. 20 seconds is the minimum threshold. 8 hugs per day is ideal for mental health. Petting animals creates a similar effect.
Some people see faces clearly but can’t recognize them: prosopagnosia. They rely on voice, gait, or hair cues—crowds become puzzles.
Blushing isn’t just embarrassment—it’s a “I’ve been seen” signal. Blood vessels widen, heat rises, and the involuntary reaction can carry a social message like an apology.
Yawns can be contagious for a reason: the brain can ‘simulate’ what it sees. The mirror neuron idea links empathy and learning in a single mechanism.
Brain surgery can be done while patient is awake. Headaches are felt by membranes around the brain, not the brain itself.
Recalling a memory isn’t pulling it off a shelf—it’s rewriting it. Each recall can update details, so the scene you’re sure about may be the latest edit.
The mind doesn’t compute everything from scratch; it uses shortcuts. They’re fast but can be trapped: a trustworthy-looking face or familiar phrasing creates a ‘true’ feeling. Speed trades off with accuracy.
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