A simple dual-task study of laterality, sex-differences and handedness

Ashton R. and McFarland K. (1991) A simple dual-task study of laterality, sex-differences and handedness. Cortex, 27 1: 105-109. doi:10.1016/S0010-9452(13)80273-0


Author Ashton R.
McFarland K.
Title A simple dual-task study of laterality, sex-differences and handedness
Journal name Cortex   Check publisher's open access policy
ISSN 0010-9452
Publication date 1991-01-01
Sub-type Article (original research)
DOI 10.1016/S0010-9452(13)80273-0
Volume 27
Issue 1
Start page 105
End page 109
Total pages 5
Language eng
Subject 2728 Clinical Neurology
2800 Neuroscience
Abstract Nine-hundred and eight-one right-handed and 55 left-handed subjects were required to tap with a pen for 10 secs between targets 6 cm apart whilst either saying nothing, reciting a tongue-twister or saying la-la. The numbers of dots produced in 10 secs in each condition were analysed. The right-handed group demonstrated the usually found degradation in their right-hand performance whilst reciting the meaningful words, but showed a lesser effect when saying la-la. Their left-handed performance was essentially unaffected. Absolutely no evidence for the presence of a sex difference in lateralization of language was found. The much smaller sample of left-handed subjects presented a complex picture of no significant effects, whether they were the sole left-handers in their family, or had other left-handed close relations.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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Created: Tue, 28 Jun 2016, 16:12:36 EST by System User