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Go/Nogo-Task Performance (Boys only) |
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| Measure |
Healthy Comparison N = 15 |
Tourette Syndrome N = 20 |
repeated measure ANOVA (Sidak-adjusted Post-hoc tests)a |
| Mean (SD) |
Mean (SD) |
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| Success rate (%)b |
Letter: F(2,66) = 247.3**, (X > B**, A > B**) |
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| Go (X)c |
98 (1.8) |
97 (2.1) |
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| Go (A)d |
98 (2.1) |
98 (2.4) |
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| Nogo (B)e |
61 (17.1) |
60 (11.7) |
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| Reaction time of correct responses (ms)b |
Letter: F(1,33) = 66.8**, (A > X**) |
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| Go (X) |
401 (106) |
378 (44) |
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| Go (A) |
438 (106) |
403 (59) |
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| Reaction-time of errors compared to correct Go (A) (ms)f |
Letter: F(1,33) = 10.8**, (A > B**) |
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| Correct Go (A) |
434 (106) |
404 (59) |
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| Error in Nogo (B) |
372 (203) |
347 (87) |
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| Reaction-time variability (ms) |
Letter: F(1,33) = 13.2**, (A > B**) |
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| Go (X) |
109 (34) |
118 (35) |
Run*Group: F(2,66) = 2.8+ |
| Go (A) |
137 (39) |
133 (49) |
Run*Letter: F(2,66) = 3.2* |
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a only effects with p < .10 are reported b marginal means across runs and standard deviations of factor "Group" c Go (X) was frequent (4/6 of all trials) d Go (A) was infrequent (1/6 of all trials) e Nogo (B) was infrequent (1/6 of all trials) f reaction-times of all three runs collapsed into a grand mean, thus slight differences to the marginal means reported for analysis of 'Reaction time of correct responses (ms)' emerge. + p < .1 ** p < .01 | |||
Roessner et al. Behavioral and Brain Functions 2008 4:29 doi:10.1186/1744-9081-4-29 |
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