Questions and Answers for Cogsci 1B Final Practice Exam 2024

Questions and Answers for Cogsci 1B Final Practice Exam 2024 brain matter dedicated to vision - CORRECT ANSWER-30-40% early models of visual perception - CORRECT ANSWER--only used top-down analysis -big picture (upsidedown triangle) -no neural implementation (came later in the 1980's) 2 visual systems hypothesis (2 pathways) - CORRECT ANSWER-dorsal stream and ventral stream -experiments on monkeys where diff parts of brain were selectively removed dorsal stream - CORRECT ANSWER-regions in visual cortex involved in perception of spatial location -striate cortex to posterior parietal cortex -where pathway ventral stream - CORRECT ANSWER-regions in visual cortex involved in perception of form -striate cortex to inferior temporal corted -what pathway tri-level hypothesis of information processing - CORRECT ANSWER--David Marr -3 levels Levels of tri-level hypothesis - CORRECT ANSWER-computational level: highest most abstract level. what does problem entail? what output do we want? purpose? algorithmic level: programming level, steps? procedure? implementation: lowest, where is hardware being used? physical realization? aim of visual processing - CORRECT ANSWER-object recognition Marr's model of visual processing - CORRECT ANSWER-- based on tri-level hypothesis - system has to take a complex pattern of unstructrued stimuli and interpret them into representations that will help object