Fact or Falsehood? Memory storage is never automatic; it always takes effort. – False The day after you are introduced to a number of new students, you will more easily recall the names of those you met first. – True Memory aids (e.g., those that use imagery and devices for organization) are no more useful than simple rehearsal if information. – False Only a few people have any type of photographic memory. – False Although our capacity for storing information is large, we are still limited in the number of permanent memories we can form. – False
Fact or Falsehood?. Memory storage is never automatic; it always takes effort. False The day after you are introduced to a number of new students, you will more easily recall the names of those you met first. True - PowerPoint PPT Presentation
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Fact or Falsehood? Memory storage is never automatic; it always takes effort.
– False The day after you are introduced to a number of new students,
you will more easily recall the names of those you met first.– True
Memory aids (e.g., those that use imagery and devices for organization) are no more useful than simple rehearsal if information.– False
Only a few people have any type of photographic memory.– False
Although our capacity for storing information is large, we are still limited in the number of permanent memories we can form.– False
We store information in memory as libraries store their books, that is, in discrete, precise locations.– False
When people learn something while intoxicated, they recall it best when they are again intoxicated.– True
The hour before sleep is a good time to commit information to memory.– True
Repeatedly imagining a nonexistent even can lead us to believe it actually happened.– True
Children typically will repress any memory of having seen one of their parents being murdered.– False
34. Eisenhower 635. Kennedy 1836. Johnson 337. Nixon 838. Ford 939. Carter 840. Reagan 941. G. H.W. Bush 17
42. Clinton 1743. G.W. Bush 1844. Obama 19
SERIAL POSITION EFFECT
12
Percentage of words recalled
0
908070605040302010
Position of word in list1 2 3 4 5 6 7 8 9 10 11
WHAT WE ENCODEVisual encoding – encoding of images
–Mnemonics – memory aids that use vivid imagery and organizational devices
Acoustic encoding – encoding of sounds
Semantic encoding – encoding of meaning, including meaning of words
Fed Ex Mnemonic Commercial
EXAMPLE
A newspaper is better than a magazine. A seashore is a better place than the street. At first it is better to run than to walk. You may have to try several times. It takes some skill but is easy to learn. Even young children can enjoy it. Once successful, complications are minimal. Rain, however, soaks in very fast. Too many people doing the same thing can also cause problems. One needs lots of room.
LEVELS OF PROCESSING
Memorize as many digits as you can (in order)
216964615199725246801296160894
chunking - organizing items into familiar, manageable units
Memory Olympics
SHORT TERM VS. LONG TERM MEMORY
Short-Term Memory– Limited, unless actively processed– Capacity of 7 digits +/- 2– Better for random numbers than
random letters– Better for sound than sight
Long-Term Memory– Limitless
STORING MEMORIES
Flashbulb memories – clear memory of an emotionally significant moment or event– Strong emotional experiences = strong,
reliable memories Amnesia victims
– Have implicit memory – how to do something
– But no explicit memory – memory of facts and experiences that one can consciously know and “declare”
SHORT-TERM MEMORY DECAY
0102030405060708090
3 6 9 12 15 18
Time in seconds between presentationof contestants and recall request
(no rehearsal allowed)
Percentagewho recalledconsonants
RETRIEVAL: GETTING INFORMATION OUT
Priming - often unconscious activation of particular associations in memory– “memoryless memory”
Context effects– Easier to remember things in the same context
you learned them– Déjà vu - sense that “I’ve experienced this before”– Mood congruent memory - tendency to recall
experiences that are consistent w/one’s current good or bad mood
EFFECTS OF CONTEXT ON MEMORY
0
10
20
30
40
Water/land
Land/water
Water/water
Different contexts for hearing and recall
Same contexts for hearing and recall
Land/land
Percentage ofwords recalled
WHY WE FORGET Three sins of forgetting
– Absent-mindedness - inattention to details– Transience - storage decay over time– Blocking - inaccessibility of stored info
Three sins of distortion– Misattribution - confusing the source of the