Prospective Memory Impairment and Executive Dysfunction in Prefrontal Lobe Damaged Patients: Is There a Causal Relationship?
Table 3
Performance scores of G.P. and V.B. on the event-based PM task. -tests for significant differences of individual scores from average scores of groups of normal controls are also reported.
G.P.
NCs () M (SD)
V.B.
NCs () M (SD)
Number of target words signaled during each block
Forward ongoing task
1 target word
2
3.5 (0.8)
1.89
.05*
3
3.8 (0.5)
1.54
.08
4 target words
1
3.5 (0.8)
3.14
.01*
1
2.3 (1.8)
0.67
.26
Backwards ongoing task
1 target word
2
3.4 (0.5)
2.53
.02*
2
3.8 (0.5)
3.59
.01*
4 target words
1
1.8 (1.5)
0.48
.32
0
1.9 (1.2)
1.43
.10
Total
6
12.1 (2.2)
2.59
.02
*
6
11.6 (2.3)
2.28
.03
*
Number of target words recalled at the end of each block
Forward ongoing task
1 target word
1
1.0 (0.0)
0.00
.50
1
1.0 (0.0)
0.00
.50
4 target words
2
2.9 (1.1)
0.73
.24
4
2.6 (1.7)
0.77
.23
Backwards ongoing task
1 target word
1
1.0 (0.0)
0.00
.50
1
1.0 (0.0)
0.00
.50
4 target words
0
2.2 (1.5)
1.43
.10
2
2.0 (1.1)
0.00
.50
Total
4
7.1 (2.0)
1.45
.10
8
6.6 (2.3)
0.58
.29
Number of target words recognized at the end of each block
