HOME >> MEDICINE >> NEWS
'Cheerleader' brain signal may act as a task master, Science study suggests

This news release is also available in Japanese.

Scientists have discovered a brain signal that, like an encouraging bystander at a marathon, urges us keep working at a task in order to receive a reward.

If these signals are overly active, they might contribute to obsessive-compulsive disorder or drug abuse, according to the study authors. Their research appears in the journal, Science, published by the American Association for the Advancement of Science (AAAS).

"Research over the last decade has shown that addiction is a brain disease--it comes about because drug use distorts the brain's functioning. This research is an important new lead in efforts to understand just how brain changes get translated into the compulsion that characterizes addiction, " said Alan I. Leshner, Chief Executive Office of AAAS, and formerly Director of the National Institute on Drug Abuse.

Science author Munetaka Shidara, of the National Institute of Advanced Industrial Science and Technology, in Ibaraki, Japan, noted that the signal may be part of the biological basis of motivation.

Understanding how this signal works normally, as well as when its activity is abnormally high or low, may shed light on why individuals seem to have different levels of motivation for performing similar tasks," said Shidara.

The signal seems to wind down just before a reward is reached. Understanding that the reward is a sure thing may be more important than actually receiving it, said Barry J. Richmond of the National Institute of Mental Health in the United States.

Imagine youre in a tall building, waiting for the elevator, but it doesnt come. Your anxiety increases, but then you hear a bell ding on the next floor, and you feel better, because youre sure whats going to happen next. The signal we saw is like that, Richmond said.

Shidara and Ric
'"/>

Contact: Lisa Onaga
lonaga@aaas.org
202-326-7088
American Association for the Advancement of Science
30-May-2002


Page: 1 2 3

Related medicine news :

1. Some brain cells change channels to fine-tune the message
2. First mouse model for multiple system atrophy points to new treatment targets for brain diseases
3. Can you read my mind? W.M. Keck Foundation funds innovative brain research at Carnegie Mellon
4. Scientist works on innovative treatments for brain tumors
5. Mechanism of RNA recoding: New twists in brain protein production
6. Does the college experience damage your brain?
7. Dartmouth researchers find where musical memories are stored in the brain
8. Common anesthetics appear safe for developing fetal brain
9. Breakthrough in medical research: New chemotherapy gives hope to brain tumour patients
10. New scale predicts recovery of consciousness from coma after brain injury
11. Study: Two brain systems regulate how we call for help

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/26/2016)... ... June 26, 2016 , ... Many ... been diagnosed with endometriosis. These women need a treatment plan to not only ... approach that can help for preservation of fertility and ultimately achieving a pregnancy. ...
(Date:6/25/2016)... ... ... First Choice Emergency Room , the largest network of independent freestanding ... of its new Mesquite-Samuell Farm facility. , “We are pleased to announce Dr. ... James M. Muzzarelli, Executive Medical Director of First Choice Emergency Room. , Dr. ...
(Date:6/24/2016)... ... ... A recent article published June 14 on E Online details ... to state that individuals are now more comfortable seeking to undergo not only the ... and cheek reduction. The Los Angeles area medical group, Beverly Hills Physicians (BHP) notes ...
(Date:6/24/2016)... , ... June 24, 2016 , ... Global law firm ... 2016 Legal Elite. The attorneys chosen by their peers for this recognition are considered ... Seven Greenberg Traurig Shareholders received special honors as members of this year’s Legal Elite ...
(Date:6/24/2016)... Norcross, Georgia (PRWEB) , ... June 24, 2016 ... ... Year” awards today at the Clinical Decision Making in Emergency Medicine conference in ... who have authored journal articles published in Emergency Medicine Practice and ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... , June 24, 2016  Arkis BioSciences, a ... invasive and more durable cerebrospinal fluid treatments, today ... The Series-A funding is led by Innova Memphis, ... and other private investors.  Arkis, new financing will ... and the market release of its in-licensed Endexo® ...
(Date:6/23/2016)...  In a startling report released today, National Safety Council ... a comprehensive, proven plan to eliminate prescription opioid overdoses. ... states are tackling the worst drug crisis in recorded U.S. history, ... Kentucky , New Mexico , ... the 28 failing states, three – Michigan , ...
(Date:6/23/2016)... June 23, 2016 Bracket , a leading ... next generation clinical outcomes platform, Bracket eCOA (SM) 6.0, ... June 26 – 30, 2016 in Philadelphia ... Clinical Outcome Assessment product of its kind to fully integrate ... Bracket eCOA 6.0 is a flexible platform for electronic ...
Breaking Medicine Technology:
Cached News: