ch 7 Flashcards
H.M condition
had seizures in the temporal lobe - doctors thought if they could remove the part that occurred in his brain wh, he would stop having seizures. they removed parts of his medial temporal lobes, including the hippocampus
results of HM surgery
seizures stopped but he was unable to remember new information for more than a few seconds.
“H.M. never remembered the day of the week, what year it was, or his own age. Still, he could talk about his childhood, explain the rules of baseball, and describe members of his family, things he knew at the time of the surgery. In other words, his ability to remember details from his life prior to surgery was relatively intact. According to the psychologists who tested him, his IQ was slightly above average”
what condition did HM suffer from after the sugery
amnesia
“an inability to retrieve vast quantities of information from memory as a result of brain injury or psychological trauma. There are two basic types of amnesia: retrograde and anterograde.” he had anterograde
.
retrograde amnesia
“ people lose past memories for events, facts, people, or even personal information. Most portrayals of amnesia in the movies and on television are of retrograde amnesia, as when characters in soap operas awaken from comas and do not know who they are”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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anterograde amnesia
“which is more common in real life, people lose the ability to form new memories ”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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what ability showed that he was still able to remember things for short periods? (HM)
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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being able to hold a convo
- “But H.M. would lose the thread of a conversation if it extended beyond a few minutes.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Every day is alone in itself.” who said this
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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HM
“Because of his profound memory loss, he remembered little. But somehow, he knew that he remembered nothing. How could this have been the case?”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“n one series of tests, he was asked to trace the outline of a star while watching his hand in a mirror. Most people do poorly the first few times they try this difficult task.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“On each of three consecutive days, H.M. was asked to trace the star 10 times. His performance improved over the three days, and this result indicated that he had retained some information about the task. On each day, however, H.M. could not recall ever having performed the task before (Milner, 1962). His ability to learn new motor skills enabled him to get a job at a factory, where he mounted cigarette lighters in cardboard cases. But his condition left him unable to describe the job or the workplace.
”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Another example of H.M.’s intact memory abilities was demonstrated with—-
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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priming “the facilitation of a response to a stimulus based on past experience with that stimulus or a related stimulus.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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HM and priming
“H.M. was shown a list of words. Later he could not remember having seen the list. However, when presented with words so quickly that they were hard to read, H.M. was more likely to identify words that had been on the list.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“DIFFERENT BRAIN REGIONS SUPPORT”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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DIFFERENT MEMORY SYSTEMS
“, the temporal lobes are important for being able to”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“say you remember what happened, but they are less important for memories expressed by motor skills or after priming. ”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Although memory involves multiple regions of the brain, ”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Although memory involves multiple regions of the brain, not all brain regions are equally involved in all types of memories”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“The most basic distinction is a division of memories based on how they are expressed.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“On the one hand are memories we express without conscious effort or intention—memories we do not know we know; on the other hand are memories of which we are consciously aware”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“ Peter Graf and Daniel Schacter (1985) refer to unconscious or unintentional memory as”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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implicit memory
explicit memory
“explicit memory includes the processes we use to remember”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“The brain systems that mediate these associative, implicit memories vary depending on the nature of the association, but they include the”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“basal ganglia and amygdala as well as the cerebellum”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Procedural memories
“include skilled and goal-oriented behaviors that become automatic, such as motor skills, cognitive skills, and habitual behaviors. Procedural memories are reflected in knowing how to do something.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Procedural memories are very resistant to”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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decay
“Priming can be perceptual, in which a”
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Elizabeth A. Phelps
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“Priming can be perceptual, in which a response to the same stimulus is facilitated, or it can be conceptual, where a response to a conceptually related stimulus is facilitated. For instance, the word table might facilitate a response to the word chair”
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Elizabeth A. Phelps
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“That is, for perceptual priming, brain regions that underlie perceptual processing come into play, whereas for conceptual priming, brain regions involved in conceptual processing are important”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Margaret Keane and colleagues (1995) examined H.M. and another patient, L.H., who suffered from bilateral damage to regions of the occipital lobe. Despite this damage and some visual deficits, L.H. was still able to read complete words. Both patients were presented with lists of words.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“When the words were then presented so briefly that they were difficult to read, H.M. was more likely to identify the words he had seen earlier, showing evidence of perceptual priming. L.H. failed to show perceptual priming. In contrast, L.H. was able”“priming. L.H. failed to show perceptual priming. In contrast, L.H. was able to report that he remembered some of the words presented earlier, whereas H.M. had no explicit memory of seeing the list.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Explicit memories are those that are consciously retrieved. They have been called”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“declarative memories because you can declare that you know them. They are also sometimes described as knowing that.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“ Endel Tulving proposed that explicit memory can be”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“divided into episodic memory and semantic memory”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Episodic memory
“consists of a person’s memory of past experiences that can be identified as occurring at a time and place. In other words, you can remember the episode when the event occurred”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Semantic memory
“is knowledge of concepts, categories, and facts independent of personal experience. You might not remember where or when you learned the information, but you know it (FIGURE 7.6). For instance, people know what Jell-O is, they know the capitals of countries they have never visited, and even people who have never played baseball know that three strikes mean the batter is out. Semantic memory is the vast store of knowledge about the world acquired throughout your life.
”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“As the case of H.M. illustrates, the medial temporal lobes are responsible for the”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“formation of new episodic memories”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Within the medial temporal lobes, the hippocampus is the brain region thought to be critical for”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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episodic memories
“hippocampus appears to be necessary for forming new episodic memories but not for”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“etrieving older episodic memories.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“ Once the connections are strengthened sufficiently, the hippocampus becomes”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“less important for the retrieval of the episodic memory.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“To remember the difference between explicit memories (episodic and semantic) and implicit procedural memories, think of explicit memories as knowing that and procedural memories as knowing how. You know that bicycles have two wheels and that you rode yours yesterday. You know how to ride a bicycle.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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three british kids that “These injuries resulted in damage to localized parts of the hippocampus and did not extend to other regions of the medial temporal lob”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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constantly had to be monitored because they would forget - but had normal range IQ “These three, then, were able to store and retrieve semantic information even though they could not remember their own personal experiences”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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how did the three kids differ from HM
“In contrast to H.M., whose medial temporal lobe damage extended beyond the hippocampus, their ability to acquire new semantic knowledge was relatively intact.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“All memories go through three stages of processing:”
“encoding, in which memories are acquired; storage, which involves consolidation; and retrieval.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Is your memory of what you ate for breakfast yesterday a semantic memory or an episodic memory?”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Answer: episodic, because it is a personal memory of an event that occurred at a time and place
”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“ The process by which the perception of a stimulus or event gets transformed into a memory is called”
.
encoding
Encoding starts with
attention- “The more attention paid to a stimulus, the more likely it is to be encoded into memory.”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“According to the dual-coding hypothesis,”
“information that can be coded verbally and visually will be remembered more easily than information that can be coded only verbally.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“According to the dual-coding hypothesis, would a presentation of the word car or the word ride be more likely to encode into memory, and why?
”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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a“nswer: Car, because it includes an easily visualized concept, which allows for both visual and verbal encoding”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“ In their levels of processing model, the psychologists Fergus Craik and Robert Lockhart (1972) suggested that the”
“more deeply an item is encoded and the more meaning it has, the better it is remembered. Although rehearsing an item might improve memory for that item, the way the item is rehearsed matters”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Maintenance rehearsal is
“ Maintenance rehearsal is simply repeating the item over and over”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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Elaborative rehearsal
“Elaborative rehearsal encodes the information in more meaningful ways, such as thinking about the item conceptually or deciding whether it refers to oneself. In other words, in this type of rehearsal, we elaborate on basic information by linking it in meaningful ways to existing knowledge.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Brain imaging studies have shown that semantic encoding activates more brain regions than”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“shallow encoding and that this greater brain activity is associated with better memory”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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schemas
are cognitive structures in “emantic memory that help us perceive, organize, understand, and use information. As we sort through incoming information, schemas guide our attention to relevant features. Thanks to schemas, we construct new memories by filling in holes within existing memories, overlooking inconsistent information, and interpreting meaning based on past experiences.
”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“Chunking is the process of”
Excerpt From
Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“breaking down information into meaningful units. For instance, master chess players who glance at a scenario on a chessboard, even for a few seconds, later can reproduce the exact arrangement of pieces (Chase & Simon, 1973). They can do so because they instantly chunk the board into a number of meaningful subunits based on their past experiences with the game”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“In general, the greater your expertise with the material, the more efficiently you can”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“chunk information during encoding, and therefore the more you can remember.”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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MNEMONICS
“ are learning aids or strategies to improve memory”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“method of loci, or memory palace”
“This mnemonic strategy of associating items you want to remember with physical locations is referred to as the method of loci, or memory palace”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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“peg” method, which establishes a series of mental pegs to”
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Psychological Science (Seventh Edition)
Elizabeth A. Phelps
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hand memories on