labmeeting 20.12.2011evie
TRANSCRIPT
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project 1:
The effect of Memory load on Processing performance:
The continuation
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idea
TBRS research 2001-2011:
• study central interference through effect of processing on storage
• increase cognitive load, observe effect on memory performance
direct, linear relationship
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idea
Idea now:
• study central interference through effect of storage on processing
• increase memory load, observe effect on processing performance
What kind of relationship???
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Experiment 1: silent verbal= verbal version; storage = letters (0 to 7); processing = silent parity judgment
12 sec parity judgment recall
D 12 sec parity judgment recall
D 12 sec parity judgment recallP
D 12 sec parity judgment recallP H
D 12 sec parity judgment recallP H S
D 12 sec parity judgment recallP H S L
D 12 sec parity judgment recallP H S L B
D 12 sec parity judgment recallP H S L B F
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Experiment 2: spatial= spatial version; storage = locations (0 to 5); processing = spatial fit judgment
12 sec fit judgment recall
12 sec fit judgment recall
12 sec fit judgment recall
12 sec fit judgment recall
12 sec fit judgment recall
12 sec fit judgment recall
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Experiment 3: babibou verbal= verbal version; storage = letters (0 to 7); processing = babibou parity judgment
12 sec parity judgment + babibou recall
D 12 sec parity judgment + babibou recall
D 12 sec parity judgment + babibou recallP
D 12 sec parity judgment + babibou recallP H
D 12 sec parity judgment + babibou recallP H S
D 12 sec parity judgment + babibou recallP H S L
D 12 sec parity judgment + babibou recallP H S L B
D 12 sec parity judgment + babibou recallP H S L B F
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Compare exp 1, 2 and 3RT correct judgments
0 1 2 3 4 5 6 7500
600
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1000
1100
1200
XP 1 VERBAL (LETTERS + PARITY)XP 2 SPATIAL (LOCATIONS + FIT)XP 3 BIS VERBAL (LETTERS + "PARITY + BABIBOU")
MEMORY LOAD
RT C
ORR
ECT
JUDG
MEN
T
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Experiment 3bis: babibou verbal= verbal version; storage = letters (0 to 7); processing = babibou parity judgment
12 sec parity judgment + babibou recall
D 12 sec parity judgment + babibou recall
D 12 sec parity judgment + babibou recallP
D 12 sec parity judgment + babibou recallP H
D 12 sec parity judgment + babibou recallP H S
D 12 sec parity judgment + babibou recallP H S L
D 12 sec parity judgment + babibou recallP H S L B
D 12 sec parity judgment + babibou recallP H S L B F
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Experiment 4: verbal mono-/bi-syllabic words= verbal version; storage = letters (0 to 7); processing = parity judgment
12 sec parity judgment recall
M 12 sec parity judgment recallM M M M M M
P.EX.
- PEUR CUIR SANG CIEL CAMP
- GARCON RAISON TRAVAIL MATIN REPAS
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exp 4RT correct judgments
ONLY NATIVE FRENCH
SPEAKERS!
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Compare exp 1, 3 AND 4RT correct judgments
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Experiment 5: spatial= spatial version; storage = locations (0 to 5); processing = PARITY fit judgment
12 sec parity judgment recall
12 sec parity judgment recall
12 sec parity judgment recall
12 sec parity judgment recall
12 sec parity judgment recall
12 sec parity judgment recall
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exp 5RT correct judgments
0 1 2 3 4 5500
600
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800
900
1000
1100
1200
EXP 2 LOC + FITEXP 5 LOC + PARITY
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ALL
0 1 2 3 4 5 6 7600
700
800
900
1000
1100
1200
EXP 1 LETTER + PARITYEXP 2 LOC + FITEXP 3 LETTER + PARITY + BABIBOUEXP 4 MONOSYLL + PARITYEXP 4 MONOSYLL + PARITYEXP 5 LOC + PARITY
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project 2:
Using the effect of Memory load on Processing performance to examine:
Cost of maintaining cross-domain items
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CONDITION 1: verbal= verbal version; storage = letters (0 to 5); processing = parity judgment + BABIBOU
12 sec parity judgment + BABIBOU recall
D 12 sec parity judgment+ BABIBOU recall
D 12 sec parity judgment + BABIBOU recallP
D 12 sec parity judgment + BABIBOU recallP H
D 12 sec parity judgment + BABIBOU recallP H S
D 12 sec parity judgment + BABIBOU recallP H S L
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CONDITION 2: spatial= spatial version; storage = locations (0 to 5); processing = parity judgment + BABIBOU
12 sec parity judgment + BABIBOU recall
12 sec parity judgment+ BABIBOU recall
12 sec parity judgment+ BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
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CONDITION 3: cross-domain= spatial version; storage = letters in locations (0 to 5); processing = parity judgment +
BABIBOU
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
12 sec parity judgment + BABIBOU recall
R
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RESULTSMEMACC
0 1 2 3 4 50
0.2
0.4
0.6
0.8
1
1.2
CROSSSPATVERB
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RESULTSPROCACC
0 1 2 3 4 50.5
0.55
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
CROSSSPATVERB
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RESULTSRT ALL
0 1 2 3 4 5600
650
700
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850
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950
1000
1050
CROSSSPATVERB
SLOPE = 33 MS
SLOPE = 41 MS
SLOPE = 71 MS
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RESULTSRT CONS
0 1 2 3 4500
1000
1500
2000
2500
CROSS SPAT
VERB
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RESULTSRT MAINT
0 1 2 3 4600
650
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900
CROSS SPAT
VERB
SLOPE = 37 MS
SLOPE = 17 MS
SLOPE = 14 MS
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DISCon central level of WM:• Not just « an object »• verbal ≈ spatial• cross ≈ verbal + spatial but all RT vs maint RT?
? Force participants to start processing immediately after presentation of memory items?
+ test with other material (e.g. objects in locations)