Please login to TopHat Code 497805 Exam 1 Review PSYCH 414 Cognitive Psychology Professor Joseph Austerweil October 1 2024 Week 4 Exam 1 Long Term Memory Day 1 Outline of Today s Class TopHat Intro Administrative Matters Review for Week 0 Review for Week 1 Review for Week 2 Review for Week 3 Week 4 Exam 1 Long Term Memory Day 1 Outline of Today s Class TopHat Intro Administrative Matters Review for Week 0 Review for Week 1 Review for Week 2 Review for Week 3 Week 4 Exam 1 Long Term Memory Day 1 Administrative Matters Exam 1 is released tomorrow Oct 2 at 9am Almost done 30 40 MC matching questions 1 short answer First question Improve your test performance if you are having test anxiety It is due 90 minutes after you start it If you have extra time accommodations you should have gotten an email from the TA that they have been applied Your exam should already be adjusted to provide the extra time It must be turned in by Oct 3 at 9am Please start it before 7 30am on Oct 3 Week 4 Exam 1 Long Term Memory Day 1 Administrative Matters Module 4 has the consolidated key terms for Exam 1 Discussion post this week No quiz this week Material from reading and Thursday s lecture covered in Exam 2 Week 4 Exam 1 Long Term Memory Day 1 Administrative Matters Next week is a typical week Fill in responses were idiosyncratic 90 95 of what people wrote in will be covered Feel free to ask anything NOT covered in the review on Piazza Or if you re still confused after reviewing the review Week 4 Exam 1 Long Term Memory Day 1 Outline of Today s Class TopHat Intro Administrative Matters Review for Week 0 Review for Week 1 Review for Week 2 Review for Week 3 Week 4 Exam 1 Long Term Memory Day 1 Week 4 Exam 1 Long Term Memory Day 1 What is Cognitive Psychology Cognitive psychology is the study of natural minds using models and experimental methods It focuses on how people s thought processes and knowledge determine their judgments and actions Input stimulus Output response The mind The computer metaphor information processing approach allows scientists to predict how inputs are processed with knowledge Week 4 Exam 1 Long Term Memory Day 1 What is Cognitive Psychology The computer metaphor information processing approach allows scientists to predict how inputs are processed with knowledge It is serial meaning that the mind follows a set of steps or stages that happen in order This feels too orderly for some as a model of the brain mind A different approach parallel distributed processing Many operations happen at once in parallel Also called connectionism and artificial neural networks Can capture multiple processes running at once but can be quite challenging to inspect the models and understand them We will discuss these in more detail as the semester progresses Week 4 Exam 1 Long Term Memory Day 1 Pair Work Share 1 Cognitive processes are active 2 Cognitive processes are efficient and typically accurate 3 Cognitive processes are constructive 4 Cognitive processes are interrelated 5 Many cognitive processes rely on bottom up top down processing Consider face recognition Pick a class theme Task explain how people recognize faces relates to the them How does it fit the theme In what ways does it not Week 4 Exam 1 Long Term Memory Day 1 Outline of Today s Class TopHat Intro Administrative Matters Review for Week 0 Review for Week 1 Review for Week 2 Review for Week 3 Week 4 Exam 1 Long Term Memory Day 1 Week 4 Exam 1 Long Term Memory Day 1 Image from World Intensity of light over eye sensors Rod and Cone Cells Vision Audition https stackoverflow com questions 51205502 convert a black and white image to array of numbers Waveform annotated with the sounds English speakers hear representation for Mental one Mental representation for mining a year of speech http www phon ox ac uk mining speech Week 4 Exam 1 Long Term Memory Day 1 What is the problem of perception Why is this challenging Ambiguity more than one answer Proximal stimulus Image on eye Distal stimulus Object producing image The same distal or proximal stimulus can be encoded differently Jastrow 1900 s Duck Rabbit First UW Madison Psych Professor https globalecologyflinders com 2019 06 04 being empathetic for better interdisciplinarity Harpers Weekly 1892 Week 4 Exam 1 Long Term Memory Day 1 What is the problem of perception Why is this challenging Ambiguity more than one answer Proximal stimulus Image on eye Distal stimulus Object producing image The same distal stimulus produces different proximal stimuli or images depending on viewpoint https en wikipedia org wiki File Ca mera focal length distance house animation gif Week 4 Exam 1 Long Term Memory Day 1 2 How is it implemented in the brain Functional Magnetic Resonance Imaging fMRI Idea Brain areas working hard use more oxygen Oxygen use changes slowly Called BOLD signal MRI can map how much oxygen is being used in it Spatial resolution 1 5 Tesla 3mm3 7 Tesla 0 5mm3 about 4 5k neurons in 1mm3 of V1 Visual cortex 1 5 2mm thick Time resolution 100 150ms Pretty slow for brain processes Week 4 Exam 1 Long Term Memory Day 1 Outline of Today s Class TopHat Intro Administrative Matters Review for Week 0 Review for Week 1 Review for Week 2 Review for Week 3 Week 4 Exam 1 Long Term Memory Day 1 Week 4 Exam 1 Long Term Memory Day 1 Selective attention Rest of mind Mind Bottleneck filter problem of attention How do we select the important bits and ignore the rest If we only know what s there if we attend to it how does attention help Chicken and egg problem of selective attention Week 4 Exam 1 Long Term Memory Day 1 Pair Work Share Consider Bottleneck theory of attention Task 1 Review bottleneck theory with your partner 2 Create a multiple choice question about bottleneck theory 3 Have one person from the pair submit it to TopHat 4 It may get added to the exam Note Questions will be shared through class Only Prof will know who submitted which question Only not anonymous to limit trolling Week 4 Exam 1 Long Term Memory Day 1 Feature integration theory Percepts to concepts happens in two stages 1 Preattentive stage extracts features 2 Attention stage combines features together Week 4 Exam 1 Long Term Memory Day 1 Distracters Popout and Reaction Time RT Time to find target Differ on one feature Differ on more than one feature RT RT of distracters of distracters Week 4 Exam 1 Long Term Memory Day 1 One feature diff Popout Week 4 Exam 1 Long Term Memory Day 1 Multiple Features Conjunctive Search Conjunctive