Table 3.
Regions of effect of age on increasing parametric WM Load
| A. Age-Related Decreases in Positive Modulation to WM Load | |||||||
|---|---|---|---|---|---|---|---|
| Cluster Label | BA | k | X | Y | Z | t-value | Cluster-Level p fwe |
| R middle frontal gyrus | 6/8 | 224 | 33 | 3 | 60 | 5.90 | 0.010 |
|
| |||||||
| R angular gyrus | 39 | 319 | 33 | −69 | 51 | 5.07 | 0.006 |
| 36 | −51 | 45 | 4.86 | ||||
|
| |||||||
| L angular gyrus | 39 | 96 | −33 | −54 | 48 | 4.18 | 0.046 |
| −27 | −60 | 39 | 3.96 | ||||
| −30 | −66 | 54 | 3.75 | ||||
|
| |||||||
| L supplementary motor area | 6 | 117 | 0 | 18 | 48 | 4.17 | 0.034 |
| 0 | 6 | 63 | 3.61 | ||||
| B. Age-Related Decreases in Negative Modulation to WM Load | |||||||
|---|---|---|---|---|---|---|---|
| Cluster Label | BA | k | X | Y | Z | t-value | Cluster-Level p fwe |
| R fusiform gyrus | 37 | 281 | 24 | −39 | −12 | 6.54 | 0.010 |
| 24 | −72 | −9 | 4.29 | ||||
|
| |||||||
| L fusiform gyrus | 37 | 203 | −24 | −42 | −12 | 6.43 | 0.015 |
| −39 | −21 | −15 | 3.88 | ||||
|
| |||||||
| L angular gyrus | 39 | 844 | −48 | −75 | 30 | 6.00 | 0.002 |
| −15 | −93 | 36 | 5.51 | ||||
| −30 | −84 | 15 | 4.65 | ||||
|
| |||||||
| R middle occipital gyrus | 19 | 872 | 30 | −90 | 24 | 5.69 | 0.002 |
| 39 | −72 | 6 | 5.67 | ||||
| 21 | −93 | 36 | 5.50 | ||||
|
| |||||||
| L superior frontal gyrus | 9/10 | 636 | −3 | 60 | 6 | 4.95 | 0.002 |
| −15 | 45 | 45 | 4.86 | ||||
| −3 | 54 | 27 | 4.51 | ||||
|
| |||||||
| R hippocampus | 117 | 39 | −6 | −15 | 4.80 | 0.035 | |
| 30 | −9 | −18 | 4.55 | ||||
|
| |||||||
| L precuneus/lingual gyrus | 31 | 127 | −12 | −54 | 12 | 4.79 | 0.030 |
| −9 | −51 | 3 | 3.90 | ||||
| 0 | −51 | 21 | 3.24 | ||||
|
| |||||||
| R insula | 13 | 165 | 42 | −9 | 18 | 4.65 | 0.022 |
| 51 | −3 | 3 | 3.82 | ||||
|
| |||||||
| R/L precuneus | 31 | 127 | 12 | −42 | 54 | 4.26 | 0.030 |
| −12 | −42 | 54 | 3.96 | ||||
|
| |||||||
| L/R middle cingulate gyrus | 24 | 167 | 3 | −6 | 39 | 3.97 | 0.022 |
| −3 | 3 | 36 | 3.91 | ||||
| −9 | −6 | 30 | 3.34 | ||||
|
| |||||||
| R precentral gyrus | 6 | 108 | 45 | −15 | 66 | 3.75 | 0.04 |
| 39 | −6 | −15 | 4.80 | ||||
| 24 | −6 | −15 | 3.92 | ||||
Note. The Statistical nonParametric Mapping toolbox v13 (SnPM) was used to calculate cluster thresholds. Abbreviations: BA – Brodmann Area; L – left; R – Right