HOME >> BIOLOGY >> NEWS
New findings help explain the dynamics between the dominant and non-dominant arm

March 18, 2003 (Bethesda, MD) The phrase, "the right hand doesn't know what the left hand is doing," has its roots in a passage of the Bible (Matthew 6:3). If there is truth to this old saying, the reasons may have as much to do with the way the brain obtains information from the arms as it does from the observations of ancient scribes.

Background
Most individuals are either left- or right-handed. How the skills they have learned from the dominant arm (or hand) are transferred to the non-dominant arm have long intrigued physiologists and neurologists.

The transfer of a skill learned in one hand to the other hand has been used as evidence for the role of the brain's hemispheres in controlling that skill. The movement of knowledge from the dominant to the nondominant arm (D ND) has been interpreted as confirmation of the brain's ability to encode an experience in the dominant hemisphere with the dominant hand and to influence the performance of the nondominant hand. Many researchers believe that this process is accomplished either through connections across both hemispheres or through the same side of the brain. Other scientists believe that transfer in the opposite direction reflects a dominance of the right hemisphere (in right-handers) for some aspects of motor control, so both directions of transfer can be explained with a single model.

Little is known about the involvement of the body's subcortical structures (such as the cerebellum, and spinal cord) in this process. While it is possible to get some indication of the role of the cerebral hemispheres through the study of subjects with a sectioned corpus callosum, this has rarely been pursued in the case of motor learning and transfer. Accordingly, a team of researchers wondered whether learning a force field with one arm generalizes to the other arm.

Previous observations have found that since learning generalizes in a muscle-like, intrinsic coordinate system
'"/>

Contact: Donna Krupa
djkrupa1@aol.com
703-527-7357
American Physiological Society
18-Mar-2003


Page: 1 2 3

Related biology news :

1. International study findings link acne-like rash to effectiveness of new targeted cancer treatment
2. Virginia Tech researchers to release findings on Smith River Project
3. New HIV findings
4. Stanford researchers findings may shed light on common, deadly birth defect
5. Briggs takes to the molecular level Darwins findings on plants sensing the direction of light
6. Latest findings on PCBs to be subject of June workshop at Illinois
7. Chlamydia in men now also linked to infertility new findings
8. New MS research shows remarkable findings
9. Scientists findings may lead to better understanding of how that sleep develops, matures
10. New findings are a window into the late stages of Lou Gehrigs disease
11. New findings bring mixed blessings to those looking to combat jet lag

Post Your Comments:
(Date:11/18/2014)... 17, 2014 The Parenteral Drug Association (PDA) today ... will speak and at least seven more will participate in ... Omni Shoreham Hotel in Washington D.C. , ... have significant support from the regulatory agencies in ... in our effort to help advance the use of ...
(Date:11/11/2014)...  Forensicon, Inc., a Chicago -based ... the promotion of Yaniv Schiff from Senior ... Schiff,s new role as Director, he will lead company ... examiners and provide leadership within the company,s digital forensics ... Schiff joined Forensicon in 2006 ...
(Date:11/7/2014)... , November 6, 2014 Leading Biometric ... better mobile security revolutionizing online transactions.  Companies in focus today ... Ltd. (NYSE: BABA ), Google Inc. (NASDAQ: ... eBay Inc. (NASDAQ: EBAY ) and MasterCard Inc. ... and NXTDW), a biometric authentication company focused on the ...
Breaking Biology News(10 mins):FDA's Janet Woodcock, EMA's Emer Cooke Headline PDA Quality Metrics Conference 2Yaniv Schiff Promoted to Director of Digital Forensics at Forensicon, Inc. 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 3Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 4Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 5Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 6
(Date:11/21/2014)... Angeles, CA (PRWEB) November 21, 2014 ... it that makes Albert Einstein so instantly recognizable? Why ... African-born physicist, mathematician, astronomer and author Hilton Ratcliffe seeks ... they have nothing at all to do with science. ... Muse Harbor Publishing , November 21, 2014), Ratcliffe puts ...
(Date:11/21/2014)... (PRWEB) November 21, 2014 2014 ... a professional and in-depth research report on the ... its definition, classification, application, and industry chain structure ... the international market analysis, including China’s domestic market ... environment & economic situation analysis. The report also ...
(Date:11/21/2014)... /CNW/ - Aequus Pharmaceuticals Inc. (the "Company" or ... closed a brokered private placement offering (the "Brokered ... Cormark Securities Inc. and Clarus Securities Inc. acted ... a syndicate of agents that also included Wolverton ... "Agents"). Concurrently with the Brokered Offering, the Company ...
(Date:11/21/2014)... - BIOREM Inc. (TSXV: BRM) ("Biorem" or "the Company") today announced results ... 2014.  Biorem,s complete 2014 third quarter financial statements and MD&A have ... ended September 30, , Nine-months ended September ... 2014 , 2013 , 2014 , ... , 6,715 , 14,476 Gross profit , ...
Breaking Biology Technology:“Stephen Hawking Smoked My Socks” Sparks Controversy in Science World 2“Stephen Hawking Smoked My Socks” Sparks Controversy in Science World 3“Stephen Hawking Smoked My Socks” Sparks Controversy in Science World 4International Transformer Industry - Analysis on Applications, Development & Forecasts Now Available at ReportsnReports.com 2International Transformer Industry - Analysis on Applications, Development & Forecasts Now Available at ReportsnReports.com 3Aequus Pharmaceuticals closes $4.2 million private placement financing 2Aequus Pharmaceuticals closes $4.2 million private placement financing 3Biorem Reports Third Quarter Results 2Biorem Reports Third Quarter Results 3
Cached News: