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notes on lec 24

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University of Toronto Scarborough
Steve Joordens

LECTURE 24: Perception & Learning and Behaviour (chapter 8) Perception of Motion: we quickly and easily detect motion. In Learning and Behaviour, we focus on manner in which we learn to behave in certain ways given certain environmental conditions. An emphasis will be on stimulus-response mappings, and how they are formed We come equipped with many stimulus response mappings that simply reflect our machinery in action. For example: When we put food in our mouths, digestive processes are initiated. If a projectile is coming at our face we close our eyes, duck our heads, raise our hands, and sometimes hold our breath. These associations are the produce of evolution (or creation) and the components of them are labeled as unconditioned stimuli (UCS) and unconditioned responses (UCR). Thus, food (UCS)>Digestive Process (UCR) ONLY in this context (like eating food and not throwing) Habituation: weakening the SR. The occurrence of some novel stimulus in the environment (UCS) tends to lead to a startle response (UCR). But, if the stimulus occurs repeatedly without any positive of negative consequence, the startle response stops occurring. This process is cal
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