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. Author manuscript; available in PMC: 2014 May 15.
Published in final edited form as: Neuroimage. 2013 Jan 26;72:20–32. doi: 10.1016/j.neuroimage.2013.01.030

Table 1.

Neuropsychological test results

Neuropsychological test Cognitive Function Younger Adults Older Adults t
MoCA Screen for dementia 27.5 ± 2.7 27.2 ± 2.4 −0.4
WAIS-III Digit Span forward Working memory 10.4 ± 2.3 10.5 ± 1.5   0.2
WAIS-III Digit Span backward Working memory 7.3 ± 1.9 6.7 ± 1.6 −1.1
WAIS-III Digit Symbol coding Processing speed 83.0 ±10.5 66.3 ±14.0 −4.3**
Trail Making Test A Processing speed 19.5 ± 4.7 29.6 ± 9.8   4.2**
Trail Making Test B Executive function 43.8 ±10.6 81.5 ±49.7   3.4*
WASI Vocabulary Vocabulary 61.6 ± 8.4 68.1 ± 6.1   2.8*

Notes. All scores are given as mean ± SD, with neuropsychological test scores based on raw data. Independent sample t tests show group effects

*

p < .05,

**

p < .001.

One younger and one older adult did not complete the neuropsychological test battery. MoCA = Montreal Cognitive Assessment; WASI = Wechsler Abbreviated Scale of Intelligence; and WAIS-III = Wechsler Adult Intelligence Scale, 3rd edition.