Research on the development of handedness has suggested that the process is marked by major discontinuities, with hand preference fluctuating over time from one hand to the other and with periods of unilateral reaching alternating with periods of bilateral reaching ( Carlson & Harris, 1985;
www.questia.com/PM.qst?a=o&se=gglsc&d=98291787
The Erhardt Hand Preference Assessment. Maplewood, MN: Erhardt Developmental Products. Gesell, A. & Ames, L.B. (1947). The development of handedness. ...
home.att.net/~rperhardtdp/faq_handpref.html home.att.net/~rperhardtdp/faq_handpref.html
J. D. Bonvillian and H. C. Richards, The development of hand preference in children's early signing. Sign Language Studies 78 (1993), pp. 1–14. ...
linkinghub.elsevier.com/retrieve/pii/S0093934X97917545
Corbetta's findings are based on her observations of the development of hand preference and major motor skills such as crawling and walking.
www.purdue.edu/UNS/html4ever/0007.Corbetta.babybrain.ht... www.purdue.edu/UNS/html4ever/0007.Corbetta.babybrain.html
The development of hand preference in children: The effect of task demands and links with manual dexterity; Elisabeth L. Hill *, Fateha Khanem; Department of Psychology, Goldsmiths, University of London, New Cross, London SE14 6NW, United Kingdom...
www.scribd.com/doc/15785385/The-development-of-hand-pre... www.scribd.com/doc/15785385/The-development-of-hand-preference-in-children
Dr. M.K. Holder's Hand Preference Questionnaire: Interim Report ... HAND  PREFERENCE  QUESTIONNAIRE; Between the End-of-Research & Data Analysis; ... Help direct future handedness research and development of online educational resources by responding to the survey questions below (~ 3 minutes to complete).
www.indiana.edu/~primate/forms/hand.html www.indiana.edu/~primate/forms/hand.html
Doctors diagnose Cerebral Palsy by testing an infant's motor skills and looking carefully at the mother?s and infant's medical history. ... Normally, children without Cerebral Palsy during the first 12 months of life, usually do not show hand preference.
www.cerebralpalsytexas.com/cerebral-palsy-diagnosis
A recent study (KLAR 2003) suggested that the RGHT1 gene functions for brain hemisphere left-right laterality development so that the left-brain hemisphere processes language and that the gene functions to couple the dominant hemisphere to the development of both right-hand preference and clockwise hair-whorl rotation.
www.genetics.org/cgi/content/full/170/4/2027
When compared to the control group, the study group showed 26 percent were left-hand dominant for writing compared with only 11 percent in the control group. Also of note, for the patients who had bilateral involvement of their HFM, the side most affected was uniformly predictive of hand preference.
esciencenews.com/articles/2009/03/02/new.study.finds.in... esciencenews.com/articles/2009/03/02/new.study.finds.increased.prevalence.left.handedness.children.with.facial.development.disorder
The development of hand preference in children: The effect of task demands and links with manual dexterity. ... In the current study a handedness inventory, midline crossing (QHP) and peg-moving tasks were used to investigate:(1) the development of hand preference between 4 and 11years;(2) whether extrinsic task demands...
lib.bioinfo.pl/pmid:1738467