Table 2.
Raw scores for working memory measures and following-instructions tasks
| Total (N = 42) | Year 3 (N = 15) | Year 4 (N = 11) | Year 5 (N = 16) | |||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Working Memory Measures | ||||||||
| Verbal Short-Term Memory | ||||||||
| Digit recall | 32.52 | 5.25 | 30.93 | 5.05 | 33.09 | 3.39 | 33.63 | 6.31 |
| Nonword recall | 12.00 | 3.89 | 10.67 | 3.96 | 11.09 | 4.25 | 13.88 | 2.92 |
| Visuospatial Short-Term Memory | ||||||||
| Dot matrix | 24.98 | 4.13 | 22.53 | 2.29 | 23.45 | 4.13 | 28.31 | 3.28 |
| Block recall | 24.50 | 4.49 | 21.47 | 3.58 | 24.18 | 3.22 | 27.56 | 4.11 |
| Verbal Working Memory | ||||||||
| Listening recall | 13.17 | 3.75 | 10.87 | 2.39 | 13.73 | 3.90 | 14.94 | 3.77 |
| Backward digit recall | 15.50 | 4.95 | 12.47 | 2.26 | 17.09 | 5.32 | 17.25 | 5.40 |
| Visuospatial Working Memory | ||||||||
| Mr. X | 13.19 | 5.75 | 10.47 | 4.44 | 13.09 | 4.61 | 15.81 | 6.55 |
| Spatial recall | 19.86 | 5.91 | 17.87 | 4.41 | 17.82 | 5.23 | 23.13 | 6.39 |
| Following-Instructions Tasks | ||||||||
| Real-World Task | 12.93 | 2.41 | 11.66 | 2.50 | 12.36 | 1.57 | 14.50 | 2.00 |
| Virtual Task | ||||||||
| Single-room | 8.86 | 3.63 | 7.40 | 3.07 | 7.91 | 3.45 | 10.88 | 3.48 |
| Multiroom | 5.33 | 1.91 | 4.67 | 1.76 | 4.73 | 1.62 | 6.38 | 1.86 |
| Age (in Months) | 110.52 | 11.51 | 98.00 | 2.83 | 109.55 | 4.11 | 122.94 | 4.65 |