www.utdallas.edu/~golden Revised 7/26/2010 The University of Texas at Dallas Human Computer Interaction Artificial Intelligence 1 An Introduction to Basic Concepts of Cognitive Science by Professor Richard Golden Neuroscience (Biology) and Psychology (Behavior) PSYCHOLOGY NEUROSCIENCE Brain Aging and Memory Infant Learning Brain and Knowledge Text Comprehension Brain Organization and Learning Brain and Language Face Perception Music Perception Social Aggression Speech Perception 2 Experimental Psychology Psychology Clinical Psychology Social Psychology Experimental Psychology Developmental Psychology Cognitive Psychology Cognitive Psychology Cognitive Science !!! 3 What is Artificial Intelligence? • The goal of Artificial Intelligence is to build “smart systems” • A “smart system” should pass Turing’s (1950) “Turing Test”: – An interrogator is connected to one person and one machine via a terminal, and therefore can't see her counterparts. – Her task is to find out which of the two candidates is the machine, and which is human only by asking them questions. – If the interrogator cannot make a decision within a certain time, the machine is considered to be intelligent. Chat with Lauren! Chat with Lilith! 4 Deduction Vs. Induction • Deduction: Knowledge as Rules • • • • Computer Programs Databases Symbolic (Computer) Logic Rule-based Intelligent Systems • Induction: Learning from Experience • • • • • Humans Artificial Neural Networks (“Connectionism”) Adaptive Learning Algorithms Statistical Learning Machines Simulated Evolution (Evolutionary Learning) 5 Human-Computer Interactions (Usability Engineering) • Use Experimental Psychology to Evaluate and Design Web Sites, Computer Games, etc. Usability Engineering Book Experiments in Human Computer Interactions Don Norman's HCI Web Site 6 So what is Cognitive Science? • Multidisciplinary Study of “Intelligent Systems” Neuroscience Psychology Usability Engineering Linguistics Cognitive Science Mathematics Philosophy Economics Computer Science • Examples of Intelligent Systems – – – – – – “Smart” Pencil Sharpeners Insects Dogs People “Data” (the robot) on Star Trek Pac-Men (i.e., “video-game” creatures) 7 Cars and Brains 8 Automobile Science Automobile Design Automobile Mechanics Automobile Performance 9 Cognitive Science (selected key components) Mind/Brain Design (Artificial Intelligence) * * * * * * * * * Neuroscience (Biology of Brains!) * * * * Psychology (Behavior of Minds!) 10 Click on a black dot to visit an appropriate UTD lab! golden@utdallas.edu www.utdallas.edu/~golden The University of Texas at Dallas School of Behavioral and Brain Sciences Labs Cognitive Science B.S. Major (and Minor) Applied Cognition and Neuroscience M. S. Degree Center for Brain Health Careers in Cognitive Science Cognitive Science Society Society for Mathematical Psychology 11