Table 1

 Profiles of the patients, results of neuropsychological assessments, and results of the two tasks

Patient123456789
The numbers in parentheses in the first column are the full marks for each task.
We statistically compared the groups using paired t tests. The correct number of answers in the disguised task was significantly greater in all patients (mean of the differences = −11.5556, standard deviation of the differences = 50.00278, t = 4.90123, degrees of freedom = 8, level of significance = 0.119189×10−2, p<0.01).
D, days after onset; F, female; M, male; RCPM, Raven’s Coloured Progressive Matrices; WAB, Western aphasia battery; Y, years after onset; –, not examined.
Age648082587077747164
SexFFFFMMMMM
WAB44D5D18D6D17D26D31D5Y14D
Spontaneous speech
    Information content (10)783396165
    Fluency (10)887898787
Comprehension
    Yes/No question (60)48535041521551
    Auditory word recognition (60)495133485039152015
    Sequential commands (80)3226022120010
Repetition (100)4758123140020
Naming
    Object naming (60)24119233814030
    Word fluency (20)420251000
    Sentence completion (10)41062000
    Responsive speech (10)623864000
Token test (100%)66633043162718281
RCPM (36)313329243235
Correct numbers (n = 40)
    Ordinary task253512193320090
    (percentage)(62.5)(87.5)(30.0)(47.5)(82.5)(50.0)(0.0)(22.5)(0.0)
    Disguised task344026253929211825
    (percentage)(85.0)(100.0)(65.0)(62.5)(97.5)(72.5)(52.5)(45.0)(62.5)