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This video shows Koko (age 4) signing and playing with Penny inside at the San Francisco Zoo. Koko loved to play chase and […]
This video shows Koko (age 4) signing and playing with Penny inside at the San Francisco Zoo. Koko loved to play chase and […]
In the above photo, a young Michael is gesturing to Koko that he wants her to “come” closer to him. This is an […]
In a previous KokoArc video, Koko Tickles Penny’s Foot (1978), we saw Koko and Penny laughing together, and it made us think of […]
In this (1978) video from our KokoArc research database, 7-year-old Koko tickles Penny’s left foot, then signs to Penny to remove her other […]
In this video from 1977, Penny sits with Koko and Mike with a drink in each hand. Koko signs “Drink” right away and […]
The book “Koko’s Kitten” is about Koko and her beloved first kitten who she named All Ball. The book tells the story of […]
In this video a young Koko visits Stanford’s campus with Dr. Penny Patterson in the early 1970s. Project Koko began with Patterson’s Stanford […]
In this video a young Koko visits Stanford’s campus with Dr. Patterson in 1974. Project Koko began with Patterson’s Stanford Psychology PhD project, […]
Koko loved taking walks with Penny, and enjoying Nature together! In this video from 1988, Koko and Penny are on a walk on […]
Koko Plays a Flute Duet with her Doll [2008 KokoArc Video] Koko was very creative and frequently initiated pretend play. She would make […]
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