Table 3.

Summary of numerical scores (percent correct; standard deviation in brackets)

Tasks performed	Patient AM	Control subjects
Non-verbal numerical tasks
Dot seriation (N = 18)	100	100
Dot magnitude comparison (N = 18)	100	100
Number recognition (N = 36)	100	100
Number seriation (N = 18)	100	100
Number comparisona (N = 20)	100	100
Number composition with token (N = 48)	100	100
Placing numbers on a line (N = 36)	75	100
Verbal numerical tasks
Counting (N = 70)	100	100
Dot enumeration (N = 20)	100	100
What comes
next (N = 20)	100	100
before (N = 20)	100	100
Bisection task
Numbers (N = 10)	100	100
Letters/Months/Days (N = 30)	100	100
Knowledge of number facts
Personal (N = 10)	100	100
Non-personal (N = 10)	100	100
Knowledge of arithmetical signs (N = 8)	100	100
Transcoding
Reading
one to four-digit (N = 100)	100	99.6 (0.5)
five–digit (N = 10)	100	98.4 (2.1)
six–digit (N = 10)	100	96 (1.8)
number words (N = 50)	100	100
Writing
one to four-digit (N = 50)	98	99.2 (0.7)
five–digit (N = 10)	100	91.5 (8.7)
six–digit (N = 10)	90	91.5 (7.4)
number words (N = 20)	100	100
6 → SIX (N = 20)	100	100
SIX → 6 (N = 20)	100	100

Notes:

^aSee also the patient's performance in a computerized version of the same task.