Table 2.
Summary of the Statistical Parameters for the Functional Connectivity Networks of Both Age Groups and Both Memory Tasks
|
Working memory | ||||
|---|---|---|---|---|
| Young (n=10) | Old (n=10) | t (df=18) | p | |
| Size of LCC | 1429.80 (±597.19) | 2642.60 (±909.49) | 3.53 | 0.002 |
| Density | 0.03 (±0.02) | 0.07 (±0.04) | 3.21 | 0.006 |
| Asp | 4.41 (±1.53) | 3.19 (±0.62) | −2.33 | 0.038 |
| Transitivity | 0.44 (±0.06) | 0.55 (±0.06) | 4.48 | <0.001 |
| Cost efficiency | 0.42 (±0.14) | 0.29 (±0.06) | −2.58 | 0.019 |
| Small-worldness | 20.58 (±15.81) | 7.29 (±3.44) | −2.59 | 0.027 |
|
Episodic memory | ||||
|---|---|---|---|---|
| Young (n=10) | Old (n=10) | T (df=18) | p | |
| Size of LCC | 1751.60 (±675.96) | 2824.10 (±904.06) | 3.01 | 0.008 |
| Density | 0.04 (±0.01) | 0.07 (±0.03) | 2.51 | 0.027 |
| Asp | 3.41 (±0.48) | 3.06 (±0.51) | −1.57 | 0.128 |
| Transitivity | 0.51 (±0.04) | 0.57 (±0.05) | 3.21 | 0.005 |
| Cost efficiency | 0.32 (±0.04) | 0.29 (±0.05) | −1.87 | 0.078 |
| Small-worldness | 9.29 (±2.45) | 6.59 (±2.47) | −2.45 | 0.025 |
All parameters concern the LCC.
LCC, largest connected component; Asp, average shortest path length.