Introduction to Cognitive Psychology - Department of Psychological ...

Greg Francis 1/2/13An analogyWhen did the British empire learn of the end of the War of1812? treaty signed in London months before the Battle of NewOrleans word was not received by British troops in America until twoweeks after the Battle of New Orleans (January 8, 1815)An analogyFor complicated systems like the British empire (andhuman brains) different parts know different things at different times there is no official moment of knowledge no official moment of consciousness!Demonstration when does the class know/understand?Purdue UniversityPurdue UniversityHow / Why?There is no moment becauseinformation is distributed in the brain Both in space and timeCan distributed processing really produceconsciousness, or must there besomething else to put it all together? can consciousness arise from non-consciousprocessors? (artificial intelligence?)Purdue UniversityHow do you know aperson is conscious/intelligent? They behave in a waythat we interpret asconsistent with aconscious beingTuring test: apply thesame logic to acomputer if a conversation with acomputer isindistinguishable from aconversation with ahuman Then conclude thecomputer is intelligentTuring testPurdue UniversityArtificial intelligenceNo computer has passed anything but a weakform of the Turing test lack sufficient schemas, creativity, general knowledgeIt is worth noting that other things would also notpass a Turing test children mentally impaired people mute people people who speak a language we do not understandPassing a Turing test is not necessary forconsciousnessPurdue UniversityCaptchaThe basic ideas are implemented in severalmethods for computer securityCompletely Automated Public Turing test to tellComputers and Humans ApartPurdue UniversityPSY200 Cognitive Psychology 2