02-07 Lecture Slides (Final)

02-07 Lecture Slides (Final) - Lecture 6 Perception Pattern...

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2/8/13 1 Lecture’6:’ Perception’&’Pattern’ Recognition’2’ PSYC’2145:’ Introductory’Cognitive’Psychology’ February’7,’2013’ Announcements’ n 4 th ’ZAPS’assignment’( Stroop’Efect )’due’02/13’(W)’8:00’p.m.’ n The’readings’±or’the’02/07’and’02/12’lectures’ ¨ Reisberg’textbook,’Chapter’3’(the’entire’chapter)’ n Grade-related’in±ormation’will’be’posted’on’D2L’at’1:45’today’ ¨ Mid-term’exam’1;’Quizzes’1-5;’ZAPS’1’&’2’ ¨ Check’your’entries’and’report’any’problems’by’02/15’(F)’---’ send’ email’to’your’TA’ ¨ I±’you²re’missing’the’quiz’scores,’it²s’because’you’haven²t’ registered’your’clicker’ n Noti±y’your’TA’the’o±’ the’serial’#’o±’your’clicker’remote’ and’ register’your’remote’ (check’the’news’section’o±’D2L) Brie±’Review:’The’Visual’System
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2/8/13 2 How’Do’We’Perceive/Recognize’Objects’and’Scenes? (briefly’covered’on’01/31)’ n The’visual’system’uses’various’sources’of’ information’for’perception’&’recognition’ ¨ Information’directly’available’with’ stimulation’of’the’receptors’(bottom-up)’ n Simple’visual’features,’contours,’ orientations,’etc.’ ¨ Additional’information’based’on’our’prior’ experiences’and’knowledge’(top-down)’ n Consistent’perceptual’cues’or’principles’ acquired’through’experience’ ¨ Gestalt’principles’ ¨ Use’of’depth/distance’cues’ n Knowledge’and’expectations Main’Points’of’Today±s’Lecture n The’visual’system’uses’various’sources’of’information’for’ perception’&’recognition’ n Both’bottom-up’and’top-down’sources’of’information’are’ necessary’for’efficient’perception’and’recognition’ n One’important’aspect’of’bottom-up’processing’is’the’ analysis’of’features’ ¨ Pandemonium’model;’recognition-by-components’theory’ n Top-down’processing’is’necessary’to’guide’and’supplement’ the’bottom-up’analysis’of’the’incoming’information’ How’Do’We’Perceive/Recognize’Objects’and’Scenes? n The’visual’system’uses’various’sources’of’ information’for’perception’&’recognition’ ¨ Information’directly’available’with’
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02-07 Lecture Slides (Final) - Lecture 6 Perception Pattern...

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