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PSY101 Lesson11

by: Mary Li

PSY101 Lesson11 PSY101

Mary Li
GPA 3.7
D. Hambrick

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About this Document

D. Hambrick
Study Guide
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Popular in Psychology

Popular in Psychlogy

This 4 page Study Guide was uploaded by Mary Li on Thursday February 12, 2015. The Study Guide belongs to PSY101 at Michigan State University taught by D. Hambrick in Fall. Since its upload, it has received 34 views. For similar materials see Psychology in Psychlogy at Michigan State University.


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Date Created: 02/12/15
PSYlOl Lecture 11 10092014 I I lllllllllllll Memory Sensitive Memory O Iconic memory I Sensory memory for visual information which lasts about 200 ms 0 Echoic memory 39 Sensory memory for auditory information which lasts about 3 seconds 0 Working Memory the memory system responsible for holding information in an active conscious state has a limited capacity and a limited duration 0 LongTerm Memory the memory system responsible for Percentage 90 permanent storage of 1nformat10n w1th a whorecaned 80 consonants theoretlcally 11m1tless capac1ty 70 Not Always Accurate 60 Rapid decay 39h 0 Flashbulb Memory 50 rgliteapsgl are extremely vivid recollections of 40 30 surpr1s1ng events but even they be 20 inaccurate 10 Storage of Memory 0 3 6 9 12 15 18 0 LongTerm Potent1at10n the prolonged Time in seconds between presentation ofconsonants and recall request strengthenlng of potent1al neuronal f1r1ng wh1ch nnmnmmigiimni provides a basis for learning and remembering associations 0 When we are excited or stressed emotiontrigged stress hormones make more glucose energy available to the brain and the amygdala boosts activity in memoryforming areas of the brain 0 Types of longterm memories Explicit Implicit declarative nondeclarative With conscious recall Without conscious recall Processed in hippocampus Processed by other brain areas including cerebellum Classical conditioning 0 We know about what brain regions are involved in forming new memories from brain imaging studies as well as observations of patients such as HM who had most of his hippocampus removed Facts Personally Skills general knowledge experienced events motor and cognitive lllllllllllllll Retrieval Getting Information Out 0 Retrieval Cues 0 When you encode into memory a target piece of information you associate it with other bits of information about your surroundings mood location etc These bits of information can serve as retrieval cues 0 Putting yourself back in the context where you experienced something can prime memory retrieval awaken associations between what you are trying to recall and your surroundlngs 0 Greater recall when learning and testing contexts were the same 30 20 10 0 Waterland Landwater Waterwater Landland Percentage of words recalled Different contexts Same contexts for hearing for hearing nal vnr ll anal rnpnll Forgetting 0 Encoding Failure 0 Storage Decay O Hermann Ebbinghaus who you learned about earlier learned lists of nonsense syllables and then attempted to relearn them 0 Even after encoding something well we sometimes later forget it Percentage of 7 list retained 60 when releaming 50 Reten on 40 drops 30 then levels off 20 10 I Herman 7 r 18501909 1 2 339 41 5 10 15 2O 25 30 39ll39imlr ir in dmrc clnra learning lint External eve nts 0 course of forgetting is initially rapid and This same forgetting curve is found for other types of material The levels off With time This could be because of decay of physical memory trace 7 Hi Percentage of 1 00 00 original vocabulary retained y We l x i E 7 1 l 80 7 0 bf 50 40 30 2 0 10 135 O Retrieval Failure Retention drops then levels off if 9W2 14 25 3512 49 Time in wears after comnletion of Snanisin course Sensory Attention Working memory r shortterm W F W memory Encoding Longterm memory 4 Retrieval l Retrieval failure leads to forgetting Interference 0 Proactive interference occurs when something you learned earlier disrupts your recall of something you experience later 0 Retroactive interference occurs When new information makes it harder to recall something you learned earlier Sleep may provide some protection against retroactive interference ll Proactive interference Retroactive interference Early event learn friend s email address at college flerning23mymailedu Can no longer recall password for using ATM card Memory Construction Misinformation effect after exposure to misinformation many people misremember The innovation The sequential police lineup procedure in which a witness is shown Misinformation and Imagination Effects suspects one at a time instead of all at once The rationale psychologist Gary Wells discovery that when shown sequential lineups Later event Familiar old address interferes with recall of new email address nfleming learn password for using bank debit card my99money The bottom line is that forgetting can occur at any memory stage As we process information we filter alter or lose much of it people make absolute judgments which lead to much lower rates of misidentification The result sequential lineups cut eyewitness misidentification in half compared to simultaneous lineups Fewer innocent people go to jail Broader Implications Chapter Review Sigmund Freud proposed that we repress painful memories to protest our self concept and minimize anxiety People have been accused and sometimes convicted of sexual abuse abused on repressed memories 0 Elizabeth Loftus Research asking question about actually happened and one that had not happened 25 people remembers false event as a real eventThe memory is changeable might been fault can be planted


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