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Why Koko Probably Could Not Use Sign Language

Soup Emporium · Commentary · 49 min · 2021 · YouTube title: Why Koko (Probably) Couldn't Talk (Sorry) | The Deep Dive
Why it's here

Recommended as a thorough debunking of Koko's supposed language ability in threads about animal communication.

What it covers

A long video essay arguing that Koko the gorilla probably could not actually use sign language. It examines the cherry-picked data and the lack of transparency behind the claims, drawing on published critiques.