Lec9aIntroLearning - Lecture 9 Intro to learning Brief...

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Lecture 9 (2/19/09) Intro to learning Brief review of 1 st part of course: role of heredity in behavior and how the brain works (neuronal activity) If available film clip on heredity Humor and the brain Introduction to learning Phobias: what is the role of learning in etiology and treatment of phobias, and what do phobias teach us about learning Classical conditioning
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2/19/09:Important announcement for students of Intro Psych as a Natural Science Research credit requirement is now 4 credits Be sure you sign up on SONA (see syllabus or below) Be sure you give yourself enough time to fulfill the requirement. To sign up for a research study, you must obtain an account in Sona Systems ( http://bc.sona-systems.com/ , also linked from the department website). At that link, if you have not already done so, click “Request an account here” under the New Participant heading. Once you do so, Sona will email you a password allowing you access to the research credits system. Once you log in, the Welcome page shows a section called Study Sign-Up, where you may browse and sign up for any of the studies offered for credit by the department. IMPORTANT: You need to sign up for a new account even if you previously had an account. Accounts are deleted after each semester.
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Most people thought this cartoon was funnier
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Bright areas are those that are those that are more active for the “funny” cartoon. The areas include the frontal cortex, temporal cortex, and cerebellum.
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Change and learning Natural selection leads to highly successful outcomes By definition---that which presists is successful By “absolute” standards: think of precision and sensitivity of animal senses (e.g., just a few photons (sub-atomic particles) can trigger sensation of light). Why not simply rely on inherited traits, why learning?
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Advantages and disadvantages of inherited behavioral traits Great if the environment remains stable from generation to generation Not great for novel situations or rapid inter-generational changes Nature is dynamic, particularly on land
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Thus, the capacity to be modified by experience would provide substantial advantages We call the capacity to be altered by experience “learning” Researchers distinguish between non-associative forms of learning and associative forms Non-associative forms include habituation, sensitization, and perhaps
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