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| Titel: |
Hand skill and hand-eye preference in relation to verbal ability in healthy adult male and female right-handers |
| Auteur: |
Gorynia, Inge Muller, Jens |
| Verschenen in: |
Laterality |
| Paginering: | Jaargang 11 (2006) nr. 5 pagina's 415-435 |
| Jaar: |
2006-09-01 |
| Inhoud: |
Verbal as well as non-verbal performances were investigated in relation to both hand skill assessed by finger-tapping performances and hand-eye preference in 83 healthy adult right-handers, most of them students. The primary objective of this study was to show better finger-tapping performances in right-handed participants with best verbal IQ values. We found that it was not the non-verbal but the verbal abilities that were related to finger-tapping performances. This was proven, especially as to the left-hand taps. Faster left-hand taps in participants with higher verbal IQ values may be due to a closer cooperation of right-hemispheric regions in information processing and an intimate relationship between language and finger-motor functions. Secondary objectives assessed by explorative data analyses included gender differences and hand-eye preference. While in the females left-hand taps correlated somewhat more with verbal IQ values, in the males this effect was seen in selected variables of the right-hand taps. Moreover, laterality assessed in finger-tapping performances may not be in accordance with laterality found in the handedness questionnaire. In addition to this, congruent hand-eye dominance was found to be slightly more prevalent in participants with best verbal IQ values. However, these findings will have to be confirmed in further experiments. |
| Uitgever: |
Psychology Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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