Research suggests that speech-accompanying gestures influence cognitive processes, but it is not clear whether the gestural benefit is specific to the gesturing hand. Two experiments tested the "(right/left) hand-specificity" hypothesis for self-oriented functions of gestures: gestures with a particular hand enhance cognitive processes involving the hemisphere contralateral to the gesturing han...

Khoo SB. Test Your Knowledge: A right " spider " hand and a left " eagle " hand. Malaysian Family Physician. 2009;4(2&3):100-2 CASE HISTORY Jim (not his real name) is a 68 year-old friendly and pleasant Eurasian man who has been very pleased to participate in our clinical teaching sessions for many years. To the medical students, Jim is fond of showing his hands and to test them by providing th...

The BBC television programme Right Hand, Left Hand, broadcast in August 1953, used a postal questionnaire to ask viewers about their handedness. Respondents were born between 1864 and 1948, and in principle therefore the study provides information on rates of left-handedness in those born in the nineteenth century, a group for which few data are otherwise available. A total of 6,549 responses w...