Table 3.
Handedness and frequencies of demographics, lateralization and performance parameters for 4 subjects with incomplete mirror reversal. Copyright © 2001. Adapted and reprinted with permission of Lippincott, Williams & Wilkins, Ltd. From Floel A, Knecht S, Lohmann H, et al. Language and spatial attention can lateralize to the same hemisphere in healthy humans. Neurology. 2001; 57:1018–1024
| Demographics | Subject 1 | Subject 2 | Subject 3 | Subject 4 | Average and tests |
|---|---|---|---|---|---|
| FSIQ | z = +0.60 | z = +0.40 | z = +0.50 | z = +0.60 | z = +0.53 |
| Occupation | Medical student | Business consultant | Teacher | Medical Student | |
| Age | 25 | 32 | 28 | 23 | 27 |
| Gender | M | F | F | F | 75% F |
| Handedness | −30 (L) | −100 (L) | −23 (L) | +79 (R) | 75% LH |
| Lang. Lat. | −1.73 (R) | −3.06 (R) | −3.36 (R) | −4.13 (R) | −3.07 (R) |
| Att. Lat. | −1.71 (R) | −2.78 (R) | −3.20 (R) | −2.86 (R) | −2.64 (R) |
| Incomplete Mirror R. | √ | √ | √ | √ | All Subjects |
| Verbal Fluency | z = +2.29 | z = +1.26 | z = +1.92 | z = +2.48 | z = +2.01 |
| Line Bisection | z = +0.02 | z = −0.54 | z = +0.02 | z = −1.96 | z = −0.67 |
| LPS V.K. | z = 0.00 | z = 0.00 | z = +0.50 | z = 0.00 | z = +0.13 |
| LPS Reasoning | z = +1.00 | z = 0.00 | z = +1.00 | z = +1.30 | z = +0.83 |
| LPS W.F. | z = +1.30 | z = +0.50 | z = +0.50 | z = +1.30 | z = +0.90 |
| LPS V.P. | z = +0.50 | z = +0.50 | z = 0.00 | z = +0.50 | z = +0.38 |
| LPS Figure-Ground | z = +0.50 | z = +1.00 | z = +0.50 | z = +1.30 | z = +0.83 |
| LPS Flex. of Closure | z = +0.50 | z = +0.50 | z = +0.50 | z = +0.00 | z = +0.38 |
| WAIS-R D.S. | z = −0.70 | z = 0.00 | z = −1.00 | z = +0.20 | z = −0.38 |
| Corsi Block Span | z = +0.50 | z = +0.50 | z = −0.70 | z = +0.20 | z = +0.13 |
| Trail-Making A/B | z = +1.30 | z = +0.70 | z = −0.20 | z = +1.30 | z = +0.78 |
| Speed/Accuracy | z = +0.70 | z = +1.40 | z = +0.50 | z = +1.60 | z = +1.05 |
| Finger Tapping (RH) | – | +2.78 LH | +3.20 LH | +2.86 LH | +2.21(LH) |
| EEG Scan | Normal | Normal | Normal | Normal | All normal |
Note: Bold type indicates potential statistical differences.
Abbreviations: FSIQ, Leistungsprufsystem (LPS) Full-Scale IQ; Lang. Lat., Language Lateralization; Att. Lat., Attentional Lateralization; Incomplete Mirror R., Incomplete Mirror Reversal; LPS V.K., LPS Verbal Knowledge; LPS W.F., LPS Word Fluency; LPS V.P., LPS Visual Perception; LPS Figure-Ground, LPS Figure-Background Perception; LPS Flex. of Closure, LPS Flexibility of Closure; WAIS-R D.S., Wechsler Adult Intelligence Scale – Revised Digit Span Subtest; Corsi Block Span, Corsi Block Tapping Span; Trail-Making A/B, Trail-Making Test Part A (Cognitive Speed) and TMT Part B (Mental Flexibility) Combined Score; Speed-Accuracy, Concentration: Speed/ Accuracy d2 test; Finger Tapping (RH), Finger Tapping Praxis Localization using the Right Hand.