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Buckingham, Gavin; Binsted, Gordon; Carey, David P. – Brain and Cognition, 2010
When both hands perform concurrent goal-directed reaches, they become yoked to one another. To investigate the direction of this coupling (i.e., which hand is yoked to which), the temporal dynamics of bimanual reaches were compared with equivalent-amplitude unimanual reaches. These reaches were to target pairs located on either the left or right…
Descriptors: Reaction Time, Brain Hemisphere Functions, Handedness, Comparative Analysis
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Christman, Stephen D.; Jasper, John D.; Sontam, Varalakshmi; Cooil, Bruce – Brain and Cognition, 2007
Research indicates that right-hemisphere mechanisms are specifically sensitive to and averse to risk. Research also indicates that mixed degree of handedness is associated with increased access to right hemisphere processing. Accordingly, it was predicted that mixed-handers would exhibit greater risk aversion. Participants were presented with…
Descriptors: Brain Hemisphere Functions, Risk, Handedness, Comparative Analysis
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Hopkins, William D. – Psychological Bulletin, 2006
Historically, population-level handedness has been considered a hallmark of human evolution. Whether nonhuman primates exhibit population-level handedness remains a topic of considerable debate. This paper summarizes published data on handedness in great apes. Comparative analysis indicated that chimpanzees and bonobos show population-level right…
Descriptors: Comparative Analysis, Handedness, Primatology, Heredity
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Sidtis, John J. – Brain and Language, 2007
Functional brain imaging has overshadowed traditional lesion studies in becoming the dominant approach to the study of brain-behavior relationships. The proponents of functional imaging studies frequently argue that this approach provides an advantage over lesion studies by observing normal brain activity in vivo without the disruptive effects of…
Descriptors: Neurological Impairments, Neurology, Speech, Clinical Experience
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Bonoti, Fotini; Vlachos, Filippos; Metallidou, Panagiota – School Psychology International, 2005
The aim of our study was to investigate possible relationships between writing and drawing performance of school-aged children, in order to compare the two skills at the within-individual level. The sample consisted of 182 right- and left-handed children, aged 8 to 12 years. Children were examined by the Greek adaptation of the Luria-Nebraska…
Descriptors: Handwriting, Freehand Drawing, Children, Comparative Analysis
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Tremblay, Tania; Monetta, Laura; Joanette, Yves – Brain and Cognition, 2004
It is commonly accepted that phonology is the exclusive domain of the left hemisphere. However, this pattern of lateralization, which posits a right visual field advantage, has been questioned by several studies. In fact, certain factors such as characteristics of the stimuli and subjects' handedness can modulate the right visual field advantage.…
Descriptors: Handedness, Phonology, Language Processing, Brain Hemisphere Functions