Koko leans over to Dr. Penny Patterson and signs “you” to initiate a conversation. The rest of the sentence is probably documented in the Research Diary, which correlates with the date of this photo, and any videos taken on the same day. Interspecies communication research and care is truly a multimedia process, and benefits greatly from the latest technology in multimedia data capture and relational databases.
Koko initiates a conversation
Photographer: Ron Cohn