Navigation Links
Brain May Be Less Plastic Than Hoped

MRI data is subject to interpretation, the researchers checked their results with a second method. They placed tiny electrodes on the cortex and measured electrical activity in the visual cortex; mapping virtually the same cortical quiet zones. The results confirmed the fMRI readings.

Smirnakis said it is possible that the visual cortex could reorganize before or after the two- hour to seven-month time frame of his study. Other research has suggested that the visual cortex adapts somewhat immediately after injury. “And it is possible that, years after injury, the visual cortex could begin to reorganize,?he said.

“Since there is similar organization across the neocortex of the brain, we could speculate that functional new connections mediating reorganization may also be difficult to form elsewhere,?Smirnakis added. “Reorganization in these areas might then depend more on the modification of existing patterns of connectivity, be it subcortical, feedback, or other broad area-to-area connections. Of course, that is highly speculative. It is also conceivable—although in our opinion less likely—that in neocortical areas other than the primary visual cortex, new functional connections may have an easier time forming, and axonal sprouting may occur over longer distances.?/p>

The study also establishes fMRI as a valid method to measure reorganization in the monkey brain, Smirnakis added. Similar studies could one day show scientists how to help the brain to recover from injuries. “In humans, studying brain reorganization is difficult. Cortical injuries are not happening in a controlled fashion, and resulting data consequently are difficult to interpret,?he said. “But in the macaque, you can design lesions and test pharmaceuticals to sort out what kind of reorganization the brain is capable of after, say, a stroke. It's a powerful way to stimulate and study reorganization that may turn out to be beneficial in the future.?/p>
'"/>

Source:Howard Hughes Medical Institute


Page: 1 2 3

Related biology news :

1. Drug That Tags Decision-making Areas Of The Brain May Aid
2. NYU Study Reveals How Brains Immune System Fights Viral Encephalitis
3. Transport System Smuggles Medicines Into Brain
4. Bird Brains Show How Trial and Error May Contribute to Learning
5. VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain
6. Wiley announces publication of Databasing the Brain
7. Scientists Propose Sweeping Changes to Naming of Bird Neurosystems to Acknowledge Their True Brainpower
8. Brain-mapping technique aids understanding of sleep, wakefulness
9. Some Brain Cells Change Channels To Fine-tune The Message
10. Brain Scans Reveal How Gene May Boost Schizophrenia Risk
11. Brain-injury rehabilitation depends on acetylcholine circuitry
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Brain May Less Plastic Than Hoped

(Date:10/19/2014)... the last 30 years contributed only marginally to ... time, according to a new study published in ... access is fundamental to development: it brings improvements ... and health," says IIASA researcher Shonali Pachauri, who ... is widely agreed to be an important goal ...
(Date:10/17/2014)... German . ... in order to reproduce? And why are there two sexes ... latest issue of the research journal Molecular Human Reproduction ... Ramm from Bielefeld University Bielefeld has compiled this special issue ... a female to copulate with several males in quick succession ...
(Date:10/16/2014)... new synthesis of recent research findings to inform their ... two states. , The Ecology and Management of ... Synthesis of the Relevant Biophysical Science and Implications for ... the U.S. Forest Service,s Pacific Northwest Research Station, is ... a synthesis of the large body of scientific information ...
Breaking Biology News(10 mins):Improved electricity access has little impact on climate change 2Sperm wars 2New report synthesizes best available science on management of moist mixed-conifer forests 2
... April 14, 2013) Through a collaborative genome-wide study ... that are associated with heart rate. Since heart ... could provide a better understanding of genetic regulation of ... targets for new drugs to treat cardiovascular disease. ...
... 14, 2013)Drug-eluting stents can keep clogged leg arteries ... being presented at the Society of Interventional Radiology,s ... "Peripheral arterial disease (or PAD) is becoming increasingly ... obesity and diabetes epidemics," said Robert A. Lookstein, ...
... Injury: Latest News on Clinical Trials of Interventions to ... 17, 2013, from 4:30 to 6:30 p.m., at Kessler ... special Grand Rounds is presented by the Northern New ... Cord Injury Project of the W. M. Keck Center ...
Cached Biology News:Mount Sinai study identifies new gene variations associated with heart rate 2Drug-coated stents prevent leg amputation 2The State of Spinal Cord Injury Grand Rounds 2
(Date:10/22/2014)... According to new market research report ... Integration, Deployment & Support), by Service Model (SaaS, ... Others (Hybrid & Community)) - Global Forecast to ... Cloud Professional Services Market into various sub-segments with ... also identifies the drivers and restraints for this ...
(Date:10/22/2014)... Oct. 22, 2014 /PRNewswire/ - iCo Therapeutics ("iCo" or ... next steps for its Oral Amphotericin B program.  ... in vitro work involving samples from ... plans to complete pre clinical studies and regulatory ... 1A clinical trial, utilizing approximately $700,000 of funding ...
(Date:10/22/2014)... , Oct. 22, 2014 Research and ... Electronics Market by Material, by Application, Geography - Global ... their offering. Organic electronics, also called ... of material science which deals with small conductive molecules ... because small molecules and polymers are carbon based, made ...
(Date:10/20/2014)... The report “Pharmacy Automation Systems Market ... Labeling Systems, Table-top Counters) by End-user (Inpatient Pharmacy ... Trends to 2019” analyzes and studies the major ... Europe, Asia-Pacific, and the Rest of the World ... figures spread through 300 pages and in-depth TOC ...
Breaking Biology Technology:Cloud Professional Services Market by Public, Private, Hybrid & Community Expected to Reach $34.41 Billion by 2019 - New Report by MarketsandMarkets 2Cloud Professional Services Market by Public, Private, Hybrid & Community Expected to Reach $34.41 Billion by 2019 - New Report by MarketsandMarkets 3Cloud Professional Services Market by Public, Private, Hybrid & Community Expected to Reach $34.41 Billion by 2019 - New Report by MarketsandMarkets 4Cloud Professional Services Market by Public, Private, Hybrid & Community Expected to Reach $34.41 Billion by 2019 - New Report by MarketsandMarkets 5iCo Therapeutics Announces Advancement of Oral Amphotericin B Program 2iCo Therapeutics Announces Advancement of Oral Amphotericin B Program 3Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 2Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 3Pharmacy Automation Systems Market worth $4,566.2 Million by 2019 - New Research Report by MarketsandMarkets 2Pharmacy Automation Systems Market worth $4,566.2 Million by 2019 - New Research Report by MarketsandMarkets 3Pharmacy Automation Systems Market worth $4,566.2 Million by 2019 - New Research Report by MarketsandMarkets 4
... Synthetic Genomes , , ... Venter Institute (JCVI), a not-for-profit genomic research organization, have published ... which the team can now assemble the whole bacterial genome, ... of DNA. Lead author Daniel G. Gibson, Ph.D. and his ...
... LAUDERDALE, Fla., Dec. 4 Imaging Diagnostic,Systems, Inc., (OTC ... announced today that a new study evaluating the CTLM ... December 2008 issue of Academic,Radiology. , ... , Alexander Poellinger, MD, a radiologist at ...
... that,it has initiated a Phase 2 clinical trial in ... dosing of a humanized monoclonal antibody,(MAb) that targets the ... pathway may lead to a targeted approach for,treating patients ... "Asthma can be ...
Cached Biology Technology:J. Craig Venter Institute Researchers Publish Significant Advance in Genome Assembly Technology 2J. Craig Venter Institute Researchers Publish Significant Advance in Genome Assembly Technology 3J. Craig Venter Institute Researchers Publish Significant Advance in Genome Assembly Technology 4J. Craig Venter Institute Researchers Publish Significant Advance in Genome Assembly Technology 5Imaging Diagnostic Systems CT Laser Mammography (CTLM) Technology Featured in Peer-Reviewed Journal 2MedImmune Advances Asthma Program With Start of Phase 2 Clinical Trial for Antibody Targeting IL-5 Receptor 2MedImmune Advances Asthma Program With Start of Phase 2 Clinical Trial for Antibody Targeting IL-5 Receptor 3
The PROTEAN II slab gel casting stand is a component of the PROTEAN II XL and xi casting apparatus. It is supplied with gaskets....
Mouse monoclonal [H4B4] to LAMP2 - Lysosome Marker (Phycoerythrin) ( Abpromise for all tested applications). entrezGeneID: 3920 SwissProtID: P13473...
... NIS-Elements revolutionizes imaging software for the ... to microscopes, cameras, components and peripherals ... achiving tools. Its intuitive interface simplifies ... times while providing powerful features such ...
AVOID FREEZE/THAW CYCLES. Recognizes the ~32 kDa DNase IIα chain and the ~40 kDa proenzyme. DNase II causes both DNA condensation and DNA fragmentation. ...
Biology Products: