Why We Fear Snakes & Spiders: Evolutionary Brain Mechanisms | Ultra-Realistic Medical Animation
Автор: Biology by Dr. SaSa
Загружено: 2025-12-28
Просмотров: 6
Описание:
Discover why humans fear snakes and spiders, even when they pose little modern danger. This ultra-realistic, cinematic medical animation takes you inside the brain, from sensory perception to fear circuits, showing how evolution shaped our responses to ancient threats.
What you’ll see:
Visual and olfactory signals processed in the thalamus and amygdala
Activation of fear circuits: amygdala, hypothalamus, brainstem
Sympathetic nervous system response: adrenaline, heart rate, pupil dilation
Neural encoding of ancient danger vs modern context
Molecular-level neurochemistry: neurotransmitters, receptor activation
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Copyright Disclaimer:
All animations and scripts are created for educational purposes.
© 2025 Biology by Dr. SaSa.
All rights reserved.
This video and its visual content are original intellectual property.
Any unauthorized use, reproduction, redistribution, modification, or commercial exploitation
without prior written permission is strictly prohibited.
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