Navigation Links
Scientists discover how brain corrects bumps to body
Date:12/5/2011

Researchers have identified the area of the brain that controls our ability to correct our movement after we've been hit or bumped -- a finding that may have implications for understanding why subjects with stroke often have severe difficulties moving.

The fact that humans rapidly correct for any disturbance in motion demonstrates the brain understands the physics of the limb scientists just didn't know what part of the brain supported this feedback response until now.

Several pathways and regions of the central nervous system could contribute to our response to external knocks to the body, but researchers only recently discovered that the pathway through the primary motor cortex provides this knowledge of the physics of the limb.

"To say this process is complex is an understatement," says Stephen Scott, a neuroscience professor and motor behavior specialist in the Department of Biomedical and Molecular Sciences. "Voluntary movement is really, really hard in terms of the math involved. When I walk around, the equations of my motion are like a small book. The best physicists can't solve these complicated equations, but your brain can do it incredibly quickly."

The corrective movement pathway works by limiting and correcting the domino effect of involuntary bodily movement caused by an external blow. For example, a blow to the shoulder that causes the whole arm to swing about may require the brain to quickly turn on muscles in the shoulder, bicep, forearm and hand in order to regain control of the limb. Likewise, a football player who collides with an opponent during a game has to respond quickly to correct the movement and remain upright.

Strokes that take place in the primary motor cortex may cause varying levels of damage to this corrective movement pathway. This varying damage may explain why some stroke patients are able to improve their movement skills in rehabilitation and why some patients remain uncoordinated and unsteady.

Dr. Scott now wants to apply these findings to stroke patients by examining the damage these patients have to their sensory pathways and how this damage relates to movement problems. He believes that these findings may support an increased focus on first-stage sensory rehabilitation to help rebuild pathways that transmit sensory information to the brain before treatment moves to a focus on motor skills.
'/>"/>

Contact: Anne Craig
anne.craig@queensu.ca
613-533-2877
Queen's University
Source:Eurekalert

Related biology news :

1. Scientists rediscover rarest US bumblebee
2. EMBO awards Installation Grants to 7 European scientists
3. Singapore and China scientists perform first Asian genome-wide association study on spine disease
4. AGU meeting: Stanford scientists subject rocks to hellish conditions to combat global warming
5. Some atheist scientists with children embrace religious traditions, according to new Rice research
6. Scientists use laser imaging to assess safety of zinc oxide nanoparticles in sunscreen
7. Controlled disorder -- scientists find way to form random molecular patterns
8. Taking the pulse of an iceberg -- scientists simulate laser imaging for NASA missions
9. Addex scientists discover GLP-1 induced interaction between GLP-1 and GIP receptors
10. Hopkins scientists turn on fountain of youth in yeast
11. Scripps Research scientists uncover new role for gene in maintaining steady weight
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/3/2016)... 2016 Das DOTM ... Nepal hat ein 44 Millionen ... Kennzeichen, einschließlich Personalisierung, Registrierung und IT-Infrastruktur, an ... und Implementierung von Identitätsmanagementlösungen. Zahlreiche renommierte internationale ... teilgenommen, aber Decatur wurde als konformste und ...
(Date:5/24/2016)... IRVINE, Calif. , May 24, 2016 Ampronix facilitates superior patient care ... LMD3251MT  3D medical LCD display is the latest premium product recently added to ... ... ... Sony 3d Imaging- LCD Medical Display- Ampronix News ...
(Date:5/3/2016)... , May 3, 2016  Neurotechnology, a provider ... MegaMatcher Automated Biometric Identification System (ABIS) , ... multi-biometric projects. MegaMatcher ABIS can process multiple complex ... any combination of fingerprint, face or iris biometrics. ... SDK and MegaMatcher Accelerator , which ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... , June 27, 2016   Ginkgo Bioworks , ... industrial engineering, was today awarded as one of ... of the world,s most innovative companies. Ginkgo Bioworks ... for the real world in the nutrition, health ... work directly with customers including Fortune 500 companies ...
(Date:6/23/2016)... (PRWEB) , ... June 23, 2016 , ... ... the release of its second eBook, “Clinical Trials Patient Recruitment and Retention Tips.” ... and retention in this eBook by providing practical tips, tools, and strategies for ...
(Date:6/23/2016)... , June 23, 2016 Houston Methodist ... the Cy-Fair Sports Association to serve as their ... agreement, Houston Methodist Willowbrook will provide sponsorship support, ... connectivity with association coaches, volunteers, athletes and families. ... the Cy-Fair Sports Association and to bring Houston ...
(Date:6/23/2016)... ... June 23, 2016 , ... Supplyframe, ... of the Supplyframe Design Lab . Located in Pasadena, Calif., the Design ... of how hardware projects are designed, built and brought to market. , The ...
Breaking Biology Technology: