PSY-3217 Lecture Notes - Lecture 2: Outline Of Object Recognition, Visual Search, Gestalt Psychology

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Cognition as information processing: information processing stream. Evaluation, computation and decision processes in stm/wm: object recognition: process of analyzing visual input and matching patterns to long-term memory representations taking perceptual input and associating it with things that we have in our memory already. Recognition seems effortless and automatic unless the problem is difficult we don"t even realize the process is taking place. We can recognize objects across variability, occlusion, different viewing distances and orientations. In some cases, we can recognize objects that aren"t present in the physical stimulus. Some sensory interpretation from input happens very early on before the information even reaches the brain: perception=interpretation. Ambiguous figures: interpretation of stimulus information yields perception (not just the stimulus information itself) sensory input and information leads to one interpretation, when there can be multiple interpretations: an important distinction. Mental representations contain information from two sources: Bottom-up information: obtain from current sensory input (e. g. what you"re seeing now)

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