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at 100 and begin counting aloud back-  a conscious effort to remember.               CHAPtER 7  MeMory       183
                    ward by threes). Without active process-  But our working memory has             1.  W  G V  S R  M  T
                    ing, people’s short- term memories of the   limited space, and images,           2.     W   G   V   S   R   M   T
                    consonants disappeared. After 3  seconds,   sounds, and other distractions
                    they recalled the letters only about half   compete for our attention.  3.     VRESLI  UEGBN  GSORNW  CDOUL  LWLE  NTOD  WTO
                    the time. After 12 seconds, they seldom   We can boost our ability to   4.     SILVER  BEGUN  WRONGS  CLOUD  WELL  DONT  TWO
                    recalled them at all (FIGURE 7.4).     form new explicit memories by
                       Working- memory capacity  varies,   using specific effortful process-  5.     SILVER  BEGUN  WRONGS  CLOUD  DONT  TWO
                                                                                                 HALF  MAKE  WELL  HAS  A
                    depending on age and other factors. Young   ing strategies, such as chunking          EVERY  IS  RIGHT  A  DONE  LINING
                    adults  have  greater  working- memory   and mnemonics.
                    capacity — the ability to juggle multiple                             6.     WELL  BEGUN  IS  HALF  DONE
                                                                                                 EVERY  CLOUD  HAS  A  SILVER  LINING
                    items while processing information —     • Chunking: Glance for a few          TWO  WRONGS  DONT  MAKE  A  RIGHT
                    than do children and older adults (Bopp &   seconds at row 1 of FIGURE 7.5,
                    Verhaeghen, 2020; Jaroslawska & Rhodes, 2019).   then look away and try to   FIGURE 7.5  Chunking effects  Organizing
                    This helps young adults to better retain   draw those forms. Impossible, yes?   information into meaningful units, such as letters,
                                                                                                 words, and phrases, helps us recall it more easily
                    information after sleeping and to solve   But you can easily reproduce row 2,   (Hintzman, 1978).
                    problems creatively  (De Dreu et al., 2012;   which is just as complex. And row 4
                    Fenn & Hambrick, 2012; Wiley & Jarosz, 2012). But   is probably much easier to remember   Memory whizzes understand the power of
                    because task- switching reduces working   than row 3, although both contain the   such systems. Star performers in the World
                    memory, everyone does better and more    same letters. As you can see, chunking   Memory Championships do not usually
                    efficient work when focused, without dis-  information into familiar segments   have exceptional intelligence. Rather, they
                    tractions, on one task at a time (Steyvers   helps us to recall it more easily   are superior at using mnemonic strate-
                    et al., 2019). The bottom line: It’s probably   (Thalmann et al., 2019).     gies (Maguire et al., 2003). Frustrated by his
                    a bad idea to try to watch a live stream,   Chunking usually occurs so natu-  ordinary memory, science writer Joshua
                    text your friends, and study psychology,   rally that we take it for granted. Try   Foer wanted to see how much he could
                    all at the same time, with your attention   remembering 43 individual numbers   improve it. After a year of intense practice,
                    switching among them (Willingham, 2010)!  and letters. It would be  impossible,   he won the U.S. Memory Championship,
                                                             unless chunked into, say, seven     memorizing a pack of 52 playing cards in
                    Effortful Processing Strategies          meaningful chunks — such as “Try    under two minutes. How did Foer do it?
                                                             remembering 43 individual numbers
                     LOQ 7-7   What are some effortful       and letters”!                       He added vivid new details to memories
                    processing strategies that can help us   • Mnemonics: In ancient Greece,     of a familiar place — his childhood home.
                                                                                                 Each card, presented in any order, could
                    remember new information?                scholars and public speakers        then match up with the clear picture in
                    Let’s recap. To form a lasting explicit   needed memory aids to help encode   his head. As the test subject of his own
                    memory of a fact or an experience, it    long passages and speeches. They    wild memory experiment, he learned the
                    helps to  focus our attention and  make   developed mnemonics, which         power of painting pretty pictures in his
                                                                    often rely on vivid imagery.   mind (Foer, 2011).
                                                                    We are particularly good
                                                                    at remembering mental
                     Percentage  90%
                    who recalled  80                                pictures. Concrete words
                     consonants                                     that create these mental
                                 70                                 images are easier to
                                                                    remember than abstract
                                 60              Rapid decay
                                                   with no          words (Akpinar & Berger,
                                 50               rehearsal         2015). (When we quiz you
                                 40                                 later, which three of these                                      Tom Gauld
                                 30                                 words — bicycle, void, cigarette,
                                                                    inherent, fire, process — will
                                 20
                                                                    you most likely recall?) Do                  * * *
                                 10                                 you still recall the rock-
                                  0                                 throwing rioter sentence       parallel processing  processing many
                                       3   6    9  12   15  18      mentioned at the beginning     aspects of a stimulus or problem all at once.
                                     Time in seconds between presentation  of this chapter? If so, it is
                                       of consonants and recall request                            chunking  organizing items into familiar,
                                           (no rehearsal allowed)   probably not only because      manageable units; often occurs automatically.
                    FIGURE 7.4  Short- term memory decay            of the meaning you encoded     mnemonics [nih- MON- iks]  memory
                    (Data from Peterson & Peterson, 1959; see also Brown,   but also because the sentence   aids, especially techniques that use vivid
                    1958.)                                   painted a mental image.               imagery and organizational devices.


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          08_pel6e_41872_ch07_179_201.indd   183                                                                                11/03/22   4:33 PM
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