Table 2. Digit Span.
Intake | Placebo | MPH | Average | |
---|---|---|---|---|
Forward | 8.37 (1.92)a | 9.32 (2.31) | 9.79 (1.93) | 9.16 (1.62) |
Backward | 7.58 (1.54)a | 8.21 (2.1) | 8.47 (1.74) | 8.09 (1.57) |
Total | 15.95 (2.91)a,b | 17.53 (3.73) | 18.26 (3.14) | 17.25 (2.84) |
Abbreviation: MPH, methylphenidate.
Differs significantly (P<0.05) from the methylphenidate session.
Differs significantly (P<0.05) from the placebo session.
Values represent forward, backward, and total span scores (SD) averaged across all subjects (N=19) measured during intake, placebo, and methylphenidate session, and averaged across all measurements.