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Why Pets Have Surprisingly Small Brains

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When we domesticate an animal species, their brains shrink and they freak out less. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: - Domesticated animal: a species of animal bred by humans over generations to become nonreactive and gain characteristics suitable for life as a farm animal or pet - Tame animal: an individual animal raised in a way that it has become less dangerous and frightened of people - Feral animal: an animal that escapes from captivity or domestication (& regains some similar & some different characteristics compared to its pre-domesticated state) - "Fight or flight": an instinctive physiological response to a threatening situation that readies a creature to either to resist forcibly or escape - Limbic system: the brain’s “panic button” - a system of nerves and networks near the bottom of the cortex that controls basic emotions (e.g. fear, pleasure, anger) and drives (e.g. hunger, sex, dominance) - Telencephalon: the most developed and anterior part of the forebrain, consisting chiefly of the cerebral hemispheres, and the brain region that shrinks most in domesticated animals - Domestication: a sustained multigenerational, mutualistic relationship in which one species (e.g. humans) assumes a significant degree of influence over the reproduction and care of another species (e.g. cows) in order to secure a more predictable supply of a resource of interest (e.g. milk/meat/traction), and through which the do

Published 2017-12-06 · Watch on YouTube ↗
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