The program was not always accurate, but I found that the user would simply ignore these and move on. The following year I was tricking friends into believing they were talking to a real girl over a modem when they were really just talking to the computer. I was first exposed to Eliza in the summer of 1992 where I created a simple version of Eliza in Scheme for an introductory computer class. that extremely short exposures to a relatively simple computer program could induce powerful delusional thinking in quite normal people." Users unconsciously assumed Eliza's questions implied interest and emotional involvement, even when they knew that the program did not have real emotions. The basic program script was able to elicit emotional responses from users who began to perceive understanding and motivation in the program's output. Despite its simplicity, Eliza was remarkably effective. The ground work extends even further back to the 1950s, but computational limits kept a real chatbot far from anything most people, or my 10 year old self, would get to experience even in the 1980s.Įliza simulated conversation by using pattern matching and substitution to give users an illusion of understanding on the part of the program. Using natural language processing to interact with a user can all be traced back to the Eliza program which was created between 19 at the MIT Artificial Intelligence Laboratory by Joseph Weizenbaum.
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