Navigation Links
Motor cortex shown to play active role in learning movement patterns
Date:5/4/2014

Skilled motor movements of the sort tennis players employ while serving a tennis ball or pianists use in playing a concerto, require precise interactions between the motor cortex and the rest of the brain. Neuroscientists had long assumed that the motor cortex functioned something like a piano keyboard.

"Every time you wanted to hear a specific note, there was a specific key to press," says Andrew Peters, a neurobiologist at UC San Diego's Center for Neural Circuits and Behavior. "In other words, every specific movement of a muscle required the activation of specific cells in the motor cortex because the main job of the motor cortex was thought to be to listen to the rest of the cortex and press the keys it's directed to press."

But in a study published in this week's advance online publication of the journal Nature, Peters, the first author of the paper, and his colleagues found that the motor cortex itself plays an active role in learning new motor movements. In a series of experiments using mice, the researchers showed in detail how those movements are learned over time.

"Our finding that the relationship between body movements and the activity of the part of the cortex closest to the muscles is profoundly plastic and shaped by learning provides a better picture of this process," says Takaki Komiyama, an assistant professor of biology at UC San Diego who headed the research team. "That's important, because elucidating brain plasticity during learning could lead to new avenues for treating learning and movement disorders, including Parkinson's disease."

With Simon Chen, another UC San Diego neurobiologist, the researchers monitored the activity of neurons in the motor cortex over a period of two weeks while mice learned to press a lever in a specific way with their front limbs to receive a reward.

"What we saw was that during learning, different patterns of activitywhich cells are active, when they're ac
'/>"/>

Contact: Kim McDonald
kmcdonald@ucsd.edu
858-534-7572
University of California - San Diego
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Salk scientists reveal circuitry of fundamental motor circuit
2. Autologous stem cell therapy improves motor function in chronic stroke victims
3. Plant extract offers hope for infant motor neuron therapy
4. Nanomotors are controlled, for the first time, inside living cells
5. Inner workings of a cellular nanomotor revealed
6. Cc to the brain: How neurons control fine motor behavior of the arm
7. Identified a subgroup of schizophrenia patients with motor disorders
8. Study identifies gene tied to motor neuron loss in ALS
9. Cilia use different motors for different tasks
10. Some motor proteins cooperate better than others
11. SensoMotoric Instruments Unveils SMI RED-n Consumer Eye Control Technology for Gaming and Computing
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Motor cortex shown to play active role in learning movement patterns
(Date:7/31/2014)... Hibiscus flowers- they are an iconic symbol of ... in the landscape. Some, like Hawaii,s State Flower- ... Only a relatively few botanists and Hawaiian conservation ... and intriguing related group of plants known as ... Brother of Hibiscus species are in fact highly ...
(Date:7/31/2014)... NXT-ID, Inc., (NXTD: OTCQB) a biometric authentication company ... and consumers wanting to learn more about its  ... on-air today, July 31 st . ... featured in a segment of NewsWatch, a weekly ... the History Channel, FYI Network today. ...
(Date:7/30/2014)... uses reversible epigenetic processes to regulate its genes, and ... a picture of the genome regulation taking place in ... Genome Biology and illustrates how the truffle ... genes,. The authors say this may shed light on ... Black truffles (Tuber melanosporum), also known as Prigord truffles, ...
Breaking Biology News(10 mins):Brother of Hibiscus is found alive and well on Maui 2NXT-ID's Next Generation Biometric Smart Wallet Featured on NewsWatch Consumer Show on the History Channel and FYI Network Today, July 31st 2NXT-ID's Next Generation Biometric Smart Wallet Featured on NewsWatch Consumer Show on the History Channel and FYI Network Today, July 31st 3How black truffles deal with the jumpers in their genome 2
... tiny luminescent particles made of semiconductors, hold promise ... doctors were to use them in humans, quantum ... and possible toxicity. Scientists at Emory University ... a way around those limitations by exploiting a ...
... Calif.) The apparent success of a case in which ... marrow transplant comes as no surprise to Gerhard Bauer, a ... more than 10 years on a similar cure for AIDS ... patient with stem cells that have been engineered to resist ...
... discovered that management efforts intended to assist migrations of ... fish populations. Juveniles that are transported downstream on boats ... breeding grounds, reducing their survivorship and altering adaptations in ... place for over three decades to improve the survival ...
Cached Biology News:'Strained' quantum dots show new optical properties 2UC Davis researchers exploring gene therapy to fight AIDS 2UC Davis researchers exploring gene therapy to fight AIDS 3Transporting juvenile salmon hinders adult migration 2Transporting juvenile salmon hinders adult migration 3
(Date:7/31/2014)... SHENZHEN, China , July 31, 2014 ... an Irys™System by BGI , the ... enable comprehensive exploration of human structural variation (SV) and ... interest, including those where no reference exists. In addition, ... methods for multiplexing on the Irys System, enabling significantly ...
(Date:7/31/2014)... Toronto, Canada (PRWEB) July 31, 2014 ... with some of the first transcriptome-wide analyses appearing ... a standard assay for RNA measurement. In the ... high throughput, more specific, work with smaller input ... special tissues (eg, blood samples). On the bioinformatics ...
(Date:7/31/2014)... The Kidney Cancer Association (KCA) has established a CNN iReport ... News. , Bill Bro, KCA CEO, says, “We’re pleased ... international news organization. When we began using iReport last month, ... program highlights news of an enzyme that is lost in ... Kidney Cancer News also presents a report on outcomes from ...
(Date:7/30/2014)... PARIS , July 30, 2014  Regeneron ... NYSE: SNY) today announced that the Companies intend to ... pediatric disease priority review voucher in connection with the ... review voucher entitles the holder to designate a BLA ... review from the filing date instead of the standard ...
Breaking Biology Technology:BioNano Genomics Announces the Purchase of the Irys System by BGI 2BioNano Genomics Announces the Purchase of the Irys System by BGI 3BioNano Genomics Announces the Purchase of the Irys System by BGI 4The Evolution of RNA-Sequencing, Upcoming Live Webinar August 22 hosted by Xtalks 2Regeneron and Sanofi Announce Plan to Use Priority Review Voucher For Alirocumab U.S. FDA Submission 2Regeneron and Sanofi Announce Plan to Use Priority Review Voucher For Alirocumab U.S. FDA Submission 3Regeneron and Sanofi Announce Plan to Use Priority Review Voucher For Alirocumab U.S. FDA Submission 4Regeneron and Sanofi Announce Plan to Use Priority Review Voucher For Alirocumab U.S. FDA Submission 5Regeneron and Sanofi Announce Plan to Use Priority Review Voucher For Alirocumab U.S. FDA Submission 6
... most conductive material, discovered in 2004 at the University ... Novoselov, has the potential to revolutionize material science. , ... scientists the Nobel Prize for Physics last year and ... plans for a 50m graphene research hub to be ...
... Novelda AS announced today two new antennas for its CMOS Impulse ... on a Sinuous Antenna geometry. The antenna itself consists of two ... the antenna itself; the lower PCB is a balancing network. The ... can be lowered by attaching a lens. This lens is built ...
... AlloSource, ( www.allosource.org ) a leading developer, ... use in surgical procedures around the world, is among ... Denver Business Journal,s inaugural awards program. With concerns ... employee benefits, the Denver Business Journal sought ...
Cached Biology Technology:Graphene's 'Big Mac' creates next generation of chips 2Wideband Antenna for Novelda Nanoscale Impulse Radar 2AlloSource Named One of Denver's Healthiest Employers 2AlloSource Named One of Denver's Healthiest Employers 3
... Platypus Contact Printing Kit contains choice ... with series of 100 / 200 micron ... or 200 um x 10 mm lines, ... 20, 40 or 60 nm and pitch ...
Request Info...
Sterile glass 5 mm beads that make spreading bacterial and yeast cultures easy. Can be washed, autoclaved and reused....
... are supplied as 10X concentrated solutions. REact Buffer ... of the REact buffers and one 250 microl ... four 1 ml vials of REact 1 Buffer ... four 1 ml vials of REact 3 Buffer ...
Biology Products: