Table 1.

Neuropsychological data

TestLow-spanHigh-span
Listening span*2.8 (0.6)4.0 (0.0)
Age21.5 (0.8)23.0 (2.8)
NAART errors13 (1.4)11 (3.2)
BDI2.5 (2.0)6.2 (4.0)
Forward digit span8.8 (1.5)10.4 (1.7)
Spatial span20.6 (3.2)22.6 (0.9)
WCST, % perseverative errors6.8 (2.1)7.0 (0.8)
WCST, % nonperseverative errors8.8 (4.2)5.8 (2.1)
Letter fluency43.0 (8.6)48.8 (7.1)
MoCA28.0 (2.0)28.8 (1.1)
Barratt score60.2 (15.4)74.0 (12.6)
  • *Significantly different between the low- and high-span groups. There were no significant differences in performance on any of the background measures. NAART, North American Adult Reading Test (Nelson, 1982); BDI, Beck Depression Inventory (Beck et al., 1961); WCST, Wisconsin Card Sorting Test (Grant and Berg, 1948); MoCA, Montreal Cognitive Assessment (Nasreddine et al., 2005).