What is Cognitive Science?

What is Cognitive Science?

Introduction Psychology 612 Psy 612 - Introduction 1 What is Cognitive Science? Cognitive science is the interdisciplinary study of intelligence and intelligent systems, natural or artificial - Mathematics (mathematical theory of intelligence) - Computer Science (computational algorithms of ...) - Neuroscience (neurophysiological foundations of ...) - Psychology (behavioral manifestations of ...)

- Philosophy (ontological foundations of ) - Linguistics (linguistic foundations of ) - Anthropology (cultural foundations of ) Psy 612 - Introduction 2 Interdisciplinary Efforts for Studying Mind Psychology (cognitive psychology) Behavioral experiments (e.g., word recognition)

Biology (neuroscience) Physiological experiments (e.g., cell firing) Philosophy (philosophy of mind) Thought experiments (e.g., logical analysis) Computer Science (artificial intelligence)

Algorithmic analysis & simulations Anthropology Cross-cultural study of how people think Psy 612 - Introduction 3 What is Intelligence? Thesis 1:

Intelligence is a type of computation. Thesis 2: The brain is a computing machine. Psy 612 - Introduction 4 Are these works/evidence of intelligence? Psy 612 - Introduction 5 Landmark Events in Cognitive Science

1936: Definition of computation (Turing) 1956: field artificial intelligence born (Minsky & McCarthy) 1960s: Computer chess program (Newell & Simon) 1977: Journal Cognitive Science launched 1979: 1st annual meeting of Cognitive Science Society 1997: IBM Deep Blue beat Kasparov Psy 612 - Introduction 6

Cognitive Science in a Nutshell The mind does not exist or is irrelevant Computational modeling of the black (mind) box Psy 612 - Introduction 7 Neural Networks Psy 612 - Introduction

8 What Questions in Cognitive Science? How do we think? What is the nature of mind? What is knowledge? How is it possible? How does the brain create a mind? The Mind-Body Problem Can a computer think?

What is the nature of self? Is it an illusion? What is consciousness? Psy 612 - Introduction 9 Major Players in Cognitive Science

A Turing (Universal Turing Machines) (click) G Miller (seven plus or minus two) M Minsky & J McCarthy (Artificial Intelligence) A Newell & H Simon (General Problem Solver) N Chomsky (Universal Grammar) D Huble & T Wiesel (feature detecting cells) D Rumelhart & J McClelland (neural networks) J Searl (mind and computer) F Crick & C Koch (neural consciousness) Psy 612 - Introduction 10 Cognitive Science and H. Simon

Psy 612 - Introduction 11 Major Applications & Accomplishments Robotics (e.g., Hondas humanoid robot project) Computer vision (e.g., biometric devices) Voice-activated dialing

Expert system (e.g., credit card evaluation) IBMs Deep Thought & Deep Blue (click here) Google.coms internet search engine .. Psy 612 - Introduction 12 Despite all the excitement and past accomplishments, .., We have not a single clue about the tantalizing question of the field: How does the mind really work?

Until we do,...the beat goes on Psy 612 - Introduction 13

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