Table 2.
Mean (M) and SD of verbal and visuo-spatial WM span tasks across gender and age groups.
| Age group | Gender | Verbal WM | Visuo-spatial WM | ||
|---|---|---|---|---|---|
|
| |||||
| DFS (Max.= 7) N = 80 | DBS (Max.= 7) N = 80 | VSFS (Max.= 7) N = 80 | VSBS (Max.= 7) N = 80 | ||
| M (SD) | M (SD) | M (SD) | M (SD) | ||
| 40–50 | Male | 6.50 (0.53) | 4.89 (0.35) | 4.0 (0.0) | 4.0 (0.0) |
| Female | 5.75 (0.46) | 4.39 (0.52) | 4.50 (0.53) | 4.50 (0.53) | |
| Total | 6.13 (0.61) | 4.63 (0.5) | 5.25 (0.68) | 4.25 (0.44) | |
|
| |||||
| 51–60 | Male | 6.0 (0.75) | 3.75 (0.70) | 4.13 (0.64) | 4.13 (0.64) |
| Female | 5.25 (0.46) | 3.87 (0.83) | 3.50 (0.53) | 3.50 (0.53) | |
| Total | 5.63 (0.71) | 3.81 (0.75) | 4.63 (0.88) | 3.81 (0.65) | |
|
| |||||
| 61–70 | Male | 4.50 (0.75) | 3.38 (0.52) | 3.0 (0.0) | 3.00 (0.0) |
| Female | 4.89 (0.64) | 3.13 (0.35) | 3.25 (0.46) | 3.25 (0.46) | |
| Total | 4.69 (0.7) | 3.25 (0.44) | 3.94 (0.57) | 3.13 (0.34) | |
|
| |||||
| 71–80 | Male | 4.88 (0.83) | 3.38 (0.52) | 3.75 (0.89) | 3.13 (0.35) |
| Female | 4.38 (0.74) | 3.13 (0.35) | 3.38 (0.51) | 3.0 (0.0) | |
| Total | 4.63 (0.8) | 3.25 (0.44) | 3.56 (0.72) | 3.06 (0.25) | |
|
| |||||
| Above 80s | Male | 5.0 (0.53) | 3.62 (0.74) | 3.38 (0.51) | 2.87 (0.35) |
| Female | 3.88 (0.64) | 3.00 (0.0) | 3.0 (0.0) | 2.75 (0.46) | |
| Total | 4.44 (0.81) | 3.31 (0.6) | 3.19 (0.4) | 2.81 (0.4) | |
Note: - DFS: Digit forward span; DBS: Digit backward span; VSFS: Visuo-spatial forward span; VSBS: Visuo-spatial backward span.