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Unformatted text preview: Behavior Thursday, April 23, 2009 9:26 AM 1. Focus on genetic component with behavior, genetic component is what natural selection can work on 2. Psychologists o Try to understand human behavior o In laboratory 3. Biologists o In field 4. Ethology o The study of an animal in its natural habitat o Anthropology does same with humans 5. Natural Selection o Preserves behaviors that enhance fitness o Adaptation- anything that improves organisms success of leaving genes in next generation o Behaviors are products of natural selection 6. Learning o Habituation A decrease in response to a repeatedly presented nonthreatening stimulus Organisms begin to ignore Allows organisms to filter what they need to tend to and what they dont Single celled organisms can habituate too If shine a light on them will move towards shade, eventually won't move o Classical Conditioning Pavlov Reward and Stimulus Meat and Bell, Salivation Just ringing of bell brought about salivation o Operant Conditioning Skinner Box Mouse, lever, and reward Starts with random behavior on part of organism Associates lever with food, and becomes conditioned to hit lever Positive Feedback Tend to engage in behaviors that result in rewards Wolf with Porcupine, Negative Feedback Has a lot to do with molding behavior o Imprinting Kind of learning that can only occur at certain period of time after development of individual Birds Particular time after hatching when bird figures out who its parents are and what its going to be like...
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This note was uploaded on 11/05/2011 for the course BIOL 101 taught by Professor Hogan during the Fall '08 term at UNC.
- Fall '08