Ch7_ppt_-_Learning_Compatibility_Mode_

G medication clothes acquired thru negative

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Unformatted text preview: oid aversive stimulus (sunscreen, obey laws) Experimentally tested Shuttlebox: escape after shock… introduce discriminative stimulus: run when light is on M. Bassil PSYC 202 18 Create PDF files without this message by purchasing novaPDF printer (http://www.novapdf.com) 11/18/2009 Escape Escape & Avoidance Conditioning Conditioning W hat What makes avoidance so resistant to extinction? extinction? Two-factor theory of avoidance learning: both classical & both operant operant conditioning are involved in avoidance learning Animal won’t hang around long enough to learn that hang shock no longer occurs; similarly phobias (fear reduction is is negatively reinforced by avoidance) Exposure therapy: exposure to exposure CS in absence of UCS M. Bassil PSYC 202 Applications of Operant Conditioning Education & Workplace: Immediate performance feedback & self-paced paced learning (e.g. computerized practice quizzes) (e.g. Motivation: Motivation: change environment by providing proper reinforcing consequences (e.g. Token economies, economies, training managers) M. Bassil PSYC 202 19 Create PDF files without this message by purchasing novaPDF printer (http://www.novapdf.com) 11/18/2009 Applications Applications of Operant Conditioning Conditioning Specialized Animal Training: Thru Thru shaping & chaining (e.g. TV star, assist people people with disabilities; specialized tasks) Modifying Problem Behaviors: Applied behavior analysis: combines a combines behavioral approach with scientific method to solve individual & societal problems (assess behavior before & after intervention) intervention) M. Bassil PSYC 202 The challenge to some key assumptions M. Bassil PSYC 202 20 Create PDF files without this message by purchasing novaPDF printer (http://www.novapdf.com) 11/18/2009 BIOLOGICAL BIOLOGICAL CONSTRAINTS: Evolution Evolution & Preparedness Preparedness: thru thru evolution, animals are biologically predisposed (prewired) to learn some associations & behaviors more easily than others (specifically those important for survival) Some behaviors Some cannot be learned at all (e.g. a rat rat cannot fly) M. Bassil PSYC 202 Biological Biological Constraints Classical Classical Conditioning: Learned Taste Aversions Conditioned taste aversion: conditioned conditioned response in which taste (sometimes sight & smell) of particular food becomes disgusting & repulsive ► avoided (involuntarily) Even Even if food (CS) consumed hours or days before illness ► a challenge to immediate conditioning M. Bassil PSYC 202 21 Create PDF files without this message by purchasing novaPDF printer (http://www.novapdf.com) 11/18/2009 Biologi...
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