Navigation Links
Study breaks ground in revealing how neurons generate movement
Date:4/24/2008

o treat paralysis and motor dysfunctions, such as those resulting from stroke. The brains messages dont reach the muscles in these conditions, says Schoppik, so its critical that the drive to these prosthetics reflect what the brain is trying to do to move muscles. Understanding how multiple neurons work together could influence the type of software created to drive these devices.

The investigation of how neurons give rise to motor behaviors has been stymied until now, says Schoppik, by the difficulties inherent in studying more than one neuron in action at a time during the course of a behavior. In the current study, the scientists overcame this obstacle in a study of macaque monkeys that had been trained to track a moving object with their eyes.

Basing their approach on two key pieces of information -- first, that when a neuron responds to a stimulus there is always a slight variation in its performance, a phenomenon that neuroscientists traditionally refer to as noise, and, second, that each attempt of the eye to pursue a moving target is also unique they proposed that some aspects of neural variation may reflect behavioral variation.

They used this inherent variability as a probe. Using a formula from financial securities market analysis that looks at how individual stocks behave at a given time within the context of fluctuations in the larger financial market, they explored how individual neurons would behave relative to their neighbors.

They compared the deviations from the average spiking activity of single neurons and simultaneous deviations from the mean eye velocity. They also measured the degree to which variation shared across two pairs of concurrently active neurons.

The data demonstrated that individual neurons encode different aspects of behavior, controlling eye velocity fluctuations at particular moments during the course of eye movement, while the population of neurons collectively tiles the entire
'/>"/>

Contact: Jennifer OBrien
jobrien@pubaff.ucsf.edu
415-476-2557
University of California - San Francisco
Source:Eurekalert

Page: 1 2 3

Related medicine news :

1. Study Details New Molecular Approach to Preventing Alzheimers
2. NSF awards $1.5M for study of in-home health care via wireless networks
3. Study shows positive findings in treating patients with advanced hepatitis C
4. Study finds racial disparities in smoking cessation treatment
5. Antipodean Pharmaceuticals Announces Results of Phase 2 Study of Lead Compound MitoQ(R)
6. Harvard Business School Publishes a Case Study on Robert Wessman and Actavis
7. Study finds that competency in colonoscopy requires experience with 150 cases or more
8. Study finds cisplatin less effective than standard treatment for patients with anal cancer
9. Potential viral therapy weapon for difficult cancers is safe and effective in study
10. Study: Counseling trauma victims causes secondary trauma
11. Rat study suggests why teens get hooked on cocaine more easily than adults
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/22/2014)... 22, 2014 Beat Eczema , ... can use natural methods to completely cure the eczema ... attention of Shane Michaels, prompting an investigative review. ... the skin, it can still be extremely debilitating and ... “The intense itching and pain that it causes on ...
(Date:8/22/2014)... time an oncogenic somatic mutation at amino acid 918 ... identified in small cell lung cancer (SCLC) tumors and ... produced increased intracellular signaling and cell growth. , SCLC ... 15% of all lung cancers and is strongly associated ... has been extensively examined for genomic alterations and targeted ...
(Date:8/22/2014)... Paying tuition and other related educational expenses ... for four nurse educators pursuing advanced degrees, thanks to ... Foundation for Nursing Education . This year’s recipients – ... than in 2013, thanks to these named NLN Foundation ... Marcil Endowment Funds, both donated by Kathy Mershon; the ...
(Date:8/22/2014)... August 22, 2014 Testosterone treatment ... in U.S. courts on behalf of men who ... use of prescription low testosterone therapies, Bernstein Liebhard ... claim was filed against Pfizer Inc. on July ... life-threatening heart issues due to his use of ...
(Date:8/22/2014)... Hudson County, NJ (PRWEB) August 22, 2014 ... that a leading specialist in Internal Medicine, Geriatrics, ... joined the network, CarePoint Health Medical Group. Their ... of highly skilled and experienced physicians comprise CarePoint ... doctors and practices in Hudson County, representing a ...
Breaking Medicine News(10 mins):Health News:Beat Eczema: Review Exposes Susan Clark’s Guide to Curing Eczema Naturally 2Health News:Novel oncogenic RET mutation found in small cell lung cancer 2Health News:NLN Foundation for Nursing Education Announces 2014 Faculty Scholarship Awards 2Health News:NLN Foundation for Nursing Education Announces 2014 Faculty Scholarship Awards 3Health News:Testosterone Treatment Lawsuit News: New Filing Alleges Depo-Testosterone Caused Life-Threatening Heart Problems, Bernstein Liebhard LLP reports. 2Health News:Testosterone Treatment Lawsuit News: New Filing Alleges Depo-Testosterone Caused Life-Threatening Heart Problems, Bernstein Liebhard LLP reports. 3Health News:Testosterone Treatment Lawsuit News: New Filing Alleges Depo-Testosterone Caused Life-Threatening Heart Problems, Bernstein Liebhard LLP reports. 4Health News:Dr. Reisner Joins CarePoint Health Medical Group 2
... to Assure ... POWELL, Ohio, June 2 Click4Care, Inc., a ... payers,providers and patients, today announced that Cariten Healthcare, one ... subsidiary of,Covenant Health, has selected ThinkHealth for its medical ...
... Awarded Seven Gold Healthcare Advertising Marketing Awards, ... record number of over 4,400,entries, the 25th ... awards to Publicis Indianapolis and St. Vincent ... television), and marketing,work. Additionally, both entities won ...
... In a multi-site study, Oregon Health & Science University ... also known as MDX-010, works to stimulate the body,s own ... to be effective in study participants with a serious type ... and was resistant to hormonal treatment and, in some cases, ...
... (BioMedical Enterprises, Inc.),a privately held medical device company and ... launch of the OSSAnchor(TM),Grip, a nitinol implant designed to ... the first in the family of OSSAnchor(TM) nitinol soft,tissue ... Grip is a,nitinol implant with aggressive barbs on the ...
... Care Association Raising Profile of Key Issue Impacting,Texas Seniors, ... June 2 With just more than,five months until ... by Baselice Associates finds 57% of voters less likely ... she opposed increasing the amount,the state pays nursing homes ...
... Entitled, ,Ingenuity at Work, Discusses Abbott,s, Contributions to ... ABBOTT PARK, Ill., June 2 Abbott (NYSE: ... Report, "Ingenuity at Work,",which is available online at ... access to care, innovation, science,education and the environment., ...
Cached Medicine News:Health News:Click4Care Signs Award-Winning 500,000-Member Health Plan 2Health News:Publicis Indianapolis and St. Vincent Hospital Win the Gold 2Health News:OHSU Cancer Institute finds that drug stimulated immune system in prostate cancer 2Health News:OHSU Cancer Institute finds that drug stimulated immune system in prostate cancer 3Health News:BME (BioMedical Enterprises, Inc.) Announces U.S. Launch of the OSSAnchor(TM) Grip Nitinol Soft Tissue Anchor 2Health News:Texas Eldercare Poll: 57 Percent Less Likely to Back Local Legislator if They Oppose Medicaid Rate Boost 2Health News:Texas Eldercare Poll: 57 Percent Less Likely to Back Local Legislator if They Oppose Medicaid Rate Boost 3Health News:Abbott Releases 2007 Global Citizenship Report Highlighting Strong Commitment to Access to Health Care 2Health News:Abbott Releases 2007 Global Citizenship Report Highlighting Strong Commitment to Access to Health Care 3
(Date:8/21/2014)... 2014  Decision Resources Group finds that, for ... Brazil and Mexico ... prescribe long-acting beta-agonist (LABA)- and long-acting muscarinic antagonist ... current severe cost/coverage constraints. Therefore, new brands of ... launch in these countries—which will considerably expand the ...
(Date:8/21/2014)... Germany , Aug. 21, 2014  IBM (NYSE: ... Elektronen-Synchrotron ( DESY ), a leading national research center ... management and storage of massive volumes of x-ray data. ... based on IBM software defined technology can handle more ... performance and help scientists worldwide gain faster insights into ...
(Date:8/21/2014)...  Seventy-one percent of Americans believe the abuse of strong ... health and safety issue in the United States ... by Repass & Partners, a Cincinnati ... severity of the prescription medication abuse problem and the need ... health situation facing our country," Rex Repass , CEO ...
Breaking Medicine Technology:Novel Fixed-Dose Combinations for COPD in Brazil and Mexico Will Compete With Well-Established Therapies in an Environment Dominated by Aggressive Cost-Control Mechanisms 2Novel Fixed-Dose Combinations for COPD in Brazil and Mexico Will Compete With Well-Established Therapies in an Environment Dominated by Aggressive Cost-Control Mechanisms 3DESY and IBM Develop Big Data Architecture for Science 2DESY and IBM Develop Big Data Architecture for Science 3Consumers Desperate For Measures To Curb Prescription Drug Abuse 2Consumers Desperate For Measures To Curb Prescription Drug Abuse 3
... Fla., Dec. 5, 2011 Hybrid Fuels, Inc., (Pink ... of its main business activities and new strategic goals.  ... a nutraceutical/pharmaceutical business venture that will focus on providing ... normally be treated or addressed with pharmaceutical drugs that ...
... Pharmaceuticals, Inc. (Nasdaq: ANTH ), a biopharmaceutical ... inflammation and autoimmune disorders, today announced Dr. Debra Odink ... Officer and Senior Vice President. "Over ... scientific leadership has been critical to the success of ...
Cached Medicine Technology:Hybrid Fuels, Inc. Announces New Business Strategy 2Anthera Pharmaceuticals Promotes Dr. Debra Odink to Chief Technology Officer 2
The rectangular large-field lens of the 2631 are ideal for reading and writing....
The Multi-Purpose Stand Magnifier is the most versatile stand magnifier. The stand has multiple configurations allowing for all situations where hands-free magnification is needed....
Thinprofile design eyelid implants....
Bausch & Lomb magnifiers incorporates precision optics and patented ergonomic designs for increased clarity and comfort during use....
Medicine Products: