day02 - Psychology 2050 Perception 31 Aug 10 Day 02 Course...

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8/30/10 1 Psychology 2050 Perception 31 Aug 10 Day 02 Course website through: http:// blackboard.cornell.edu Extra credits: http://susan.psych.cornell.edu PLEASE SIT UP FRONT AND IN THE MIDDLE SECTION Outline Two Metaphors for Cognitive Neuroscience 1. People as machines l’Homme machine, J. O. La Mettrie, 1742 2. Brains as computers J. von Neuman et al, 1940s Aptness of metaphors & their role in science the speed of neural conductivity Four positions on the Mind-Body Problem Levels of analysis of Mind-Body relations Metaphors: tenor & vehicle (the meaning) (to understanding) Max Black, Cornell 20th century philosopher Bohr’s atom: (is like the) atom solar system nucleus sun (massive, central) electrons planets (nonmassive, orbits) …. …. apt comparisons Metaphors: Aptness Computers :: Brains Metaphors: Aptness Computers :: Brains CPU CNS Metaphors: Aptness Computers :: Brains CPU CNS I/O devices perception/action systems
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8/30/10 2 Metaphors: Aptness Computers :: Brains CPU CNS I/O devices perception/action systems RAM CNS/STM/ Working Memory Metaphors: Aptness Computers :: Brains CPU CNS I/O devices perception/action systems RAM CNS/STM hard disks > tapes CNS/LTM > floppies > CDs > flash drives Metaphors: Aptness Computers :: Brains CPU CNS I/O devices perception/action systems RAM CNS/STM hard disk CNS/LTM digital signal all-or-none neural firing Metaphors: Inaptness Computers :: Brains speed ~light ?? - later (2/3 in copper wire) Metaphors: Inaptness Computers :: Brains speed ~light ??
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