Navigation Links
Scientists discover how brain's auditory center transmits information for decisions, actions
Date:5/1/2013

riments.

"It turns out the information passes through a particular subset of neurons in the auditory cortex whose axons wind up in another part of the brain, called the striatum," says Zador. The classic series of experiments that provided inspiration and a model for this work, performed at Stanford University by William Newsome and colleagues, involved the visual system of primates, and had led Zador to expect by analogy that representations formed in the auditory cortex would lead to other locations within the cortex.

These experiments in rats have implications for how neural circuits make decisions, according to Zador. Even though many neurons in auditory cortex are "tuned" to low or high frequencies, most do not transmit their information directly to the striatum. Rather, their information is transmitted by a much smaller number of neurons in their vicinity, which convey their "votes" directly to the striatum.

"This is like the difference between a direct democracy and a representative democracy, of the type we have in the United States," Zador explains. "In a direct democracy model of how the auditory cortex conveys information to the rest of the brain, every neuron activated by a low- or high-pitched sound would have a 'vote.' Since there is noise in every perception, some minority of neurons will indicate 'low' when the sound is in fact 'high,' and vice-versa. In the direct democracy model, the information sent to the striatum for further action would be the equivalent of a simple sum of all these votes.

"In contrast and this is what we found to be the case the neurons registering 'high' and 'low' are represented by a specialized subset of neurons in their local area, which we might liken to members of Congress or the Electoral College: these in turn transmit the votes of the larger population to the place -- in this case the auditory striatum -- in which decisions are made and actions are taken."

"Corticostri
'/>"/>

Contact: Peter Tarr
tarr@cshl.edu
516-367-8455
Cold Spring Harbor Laboratory
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Stanford scientists develop gene therapy approach to grow blood vessels in ischemic limbs
2. Queens scientists seek vaccine for Pseudomonas infection
3. Scientists produce eye structures from human blood-derived stem cells
4. American Society of Plant Biologists honors early career women scientists
5. Brandeis scientists win prestigious prize for circadian rhythms research
6. Scientists discover new method of proton transfer
7. Salk scientists open new window into how cancers override cellular growth controls
8. WileyChina.com - Now Featuring Bespoke Pages for China’s Life Scientists
9. Scientists win $2 million to study new pathway in development and maintenance of lymphoma
10. UGA scientists reveal genetic mutation depicted in van Goghs sunflower paintings
11. Genetic mutation depicted in van Goghs sunflower paintings revealed by scientists
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/27/2015)... 27, 2015   Zynx Health ™, the ... improvement solutions, today announced that its ZynxCarebook ... on Android smartphones and tablets. With this expansion, ... can use ZynxCarebook to securely exchange messages and ... care transitions to other care settings, and improve ...
(Date:7/21/2015)... 2015 Passwords have proven futile for ... recent U.S. Office of Personnel Management breach. Biometric ... conundrum, but developers and end-users are concerned about ... dilemma, Biometrics-as-a-Service provider HYPR Corp. announced today the ... third party integration. A video ...
(Date:7/9/2015)... 2015 Research and ... the "Biometrics for Banking; Market & Technology ... to their offering. The adoption for ... growth and the forecast is that by 2020 ... companies involved in delivering biometric systems to the ...
Breaking Biology News(10 mins):Zynx Health Adds Android Device Support to ZynxCarebook Solution 2Zynx Health Adds Android Device Support to ZynxCarebook Solution 3HYPR Corp. Launches Industry First Biometric Tokenization Platform 2HYPR Corp. Launches Industry First Biometric Tokenization Platform 3HYPR Corp. Launches Industry First Biometric Tokenization Platform 4Global Banking Biometrics Market 2015-2020 - Market & Technology Analysis, Adoption Strategies and Forecasts 2Global Banking Biometrics Market 2015-2020 - Market & Technology Analysis, Adoption Strategies and Forecasts 3
... Ground-breaking research from Professor Douglas Kell, published in the ... the majority of debilitating illnesses are in part caused ... toxins that can react with the components of living ... diseases of many kinds in different parts of the ...
... N.Y. Pankaj Karande, a Rensselaer Polytechnic Institute assistant ... new generation of scientists and engineers developing exciting and ... complex brain illnesses, including Alzheimer,s disease, Parkinson,s disease, traumatic ... attracted the interest of the Goldhirsh Foundation and now ...
... The University of Pennsylvania, Dr. Ron Koder, assistant professor of ... of a team that devised a novel method for producing ... neuroglobin. He was recently awarded a three-year $1.3 million ... artificial blood that can be administered to injured troops on ...
Cached Biology News:See off Alzheimer's with the color purple 2Delivering drugs to the brain: New research into targeted treatment of Alzheimer's 2Delivering drugs to the brain: New research into targeted treatment of Alzheimer's 3CCNY professor gets grant to develop 'artificial blood' 2
(Date:7/30/2015)... SAN DIEGO, July 30, 2015   Senomyx , ... proprietary taste science technologies to discover, develop, and commercialize ... supply industries, today reported financial results for the second ... half of 2015, we remain on track to achieve ... and Chief Executive Officer of the Company. "Since our ...
(Date:7/30/2015)... 30, 2015  Discovery Laboratories, Inc. (Nasdaq: ... the second $1.0M tranche under a previously awarded ... valued at up to $3.0 million to support ... as a potential medical countermeasure to mitigate acute ... awarded an initial $1.0 million under this grant ...
(Date:7/29/2015)... 2015 Sanofi, un leader ... résultats pour le premier semestre 2015. Le Directeur ... Visionner l,interview vidéo et lire la ... Au sommaire de l,interview :  ... croissance - Diabète - ...
(Date:7/29/2015)... , July 29, 2015 /PRNewswire/ - BioAmber Inc. (NYSE: ... , the Company,s Chief Financial Officer has resigned.  The ... Chief Financial Officer who retired in December 2014, as ... for a permanent successor.     Andy Ashworth ... Laurin and ensure a smooth transition.  Andy was the ...
Breaking Biology Technology:SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 2SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 3SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 4SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 5SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 6SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 7SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 8SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 9Discovery Labs Receives $1.0 million under an SBIR Grant in Continuing Support of the Development of Aerosolized KL4 Surfactant to Address Radiation-Induced Lung Injury 2Discovery Labs Receives $1.0 million under an SBIR Grant in Continuing Support of the Development of Aerosolized KL4 Surfactant to Address Radiation-Induced Lung Injury 3BioAmber Announces Change in Chief Financial Officer 2BioAmber Announces Change in Chief Financial Officer 3
... begun using a network infrastructure developed by Citrix ... over the Internet from a central office, the company ... able to provide 1,600 government employees across 45 departments ... from remote locations, including their homes, according to a ...
... - Working to help cell-phone users take advantage of ... University of Wisconsin-Madison engineers have developed a device that ... on even less battery power. , ,"When you've been ... you can feel how hot it gets," notes Zhenqiang ...
... an Internet search page: top, middle and down. A search ... times its 100 feet long. Today, e-commerce is like a ... then will it will float on the surface and be ... submarine, it will stay caught in some mysterious undercurrents or ...
Cached Biology Technology:Dane County improves law enforcement and community services 2UW-Madison technology to advance cell phones 2UW-Madison technology to advance cell phones 3Does your web site have visibility? 2Does your web site have visibility? 3
EDG-6 (1)...
...
...
... Ab-1 stains tumor cells of embryonal carcinoma of ... germ cell tumors like seminoma. Glandular epithelium of ... Luminal and endocrine cells of stomach and acini ... also positive. Epitope: Carbohydrate portion on ...
Biology Products: