Navigation Links
Rat Study Sheds Light on How Alcohol Affects Young Brain
Date:3/17/2011

THURSDAY, March 17 (HealthDay News) -- Based on the results of a new study conducted with rats, researchers say that kids who drink alcohol may have trouble with decision-making in adulthood.

Alcohol consumption during adolescence can change the perception of risk but does not affect how rewards are valued, the University of Washington researchers found.

The investigators studied decision-making in adult rats that had been given free access to alcohol when they were adolescents. The researchers measured changes in the neurotransmitter dopamine when the rats were offered rewards alone and also in response to cues predicting risky or certain outcomes.

"Dopamine is central to the way we process and evaluate rewards and is the primary target in the brain for virtually all abused drugs," study author Jeremy J. Clark, an acting assistant professor of psychiatry and behavioral sciences, explained in a university news release.

In the rats, alcohol use during adolescence increased dopamine signaling to risky options but did not affect responses to rewards.

"Alcohol is corrupting the ability to make a good decision by altering the perception of risk. It doesn't appear to be about the reward," Clark said.

The study was published March 14 in the journal Proceedings of the National Academy of Sciences.

The study authors noted that the findings might lead to improved treatments for those with a history of substance abuse.

More information

The U.S. National Institute on Alcohol Abuse and Alcoholism has more about underage drinking.

-- Robert Preidt

SOURCE: University of Washington, news release, March 14, 2011


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Page: 1

Related medicine news :

1. Despite Treatment, Employees with Depression Generate Higher Absentee Costs, According to Thomson Reuters Study
2. American Council on Exercise (ACE) Study Reveals Kettlebells Provide Powerful Workout in Short Amount of Time
3. TV drama can be more persuasive than news program, study finds
4. Study carried out into biological risks of eating reptiles
5. Neuroimaging study may pave way for effective Alzheimers treatments
6. Study finds racial gaps continue in heart disease awareness
7. Luth Researchs IndicatorEDG(TM) Study Finds Americans Hopes of Achieving Their Dreams Are Fading
8. First blinded study of venous insufficiency prevalence in MS shows promising results
9. Soothing infants with food focus of childhood obesity study
10. People with anxiety disorder less able to regulate response to negative emotions, study shows
11. American Heart Association Rapid Access Journal Report: Study Finds Racial Gaps Continue in Heart Disease Awareness, Low Knowledge of Heart Attack Warning Signs Among Women
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Rat Study Sheds Light on How Alcohol Affects Young Brain
(Date:2/22/2017)... ... ... Social media marketing is transitioning from a singular person activity to a ... into this insight and more in its latest episode of its Brains Over Brawn ... with social media strategist and partner of the digital firm Med|Ed Digital Jessica Columbo. ...
(Date:2/22/2017)... ... 22, 2017 , ... In a recent article ... context (age, illness and life choices) should be dissociated from medical errors and ... In addition, all too often, studies regarding health system performance in other countries, ...
(Date:2/21/2017)... ... 22, 2017 , ... Author Michèle Wolff has a passion for using ... to know all about it for optimal health. Wanting to share her knowledge to ... Digestive and Wellness Solutions ” (published by Balboa Press AU). , This book ...
(Date:2/21/2017)... ... ... Doctors on Liens has announced the addition of Mendonca Spine Care Center ... network of doctors in Central and Northern California. Dr. Mendonca specializes in personal injury ... pain, neck pain, hip and knee pain, and headaches. Specializing in non-surgical, spinal ...
(Date:2/21/2017)... ... February 21, 2017 , ... Support of value-based care models requires collaboration across ... data across industry solutions, Fogo Data Centers announces the launch of the Fogo Partner ... community is one in which all systems work well, work together, and work together ...
Breaking Medicine News(10 mins):
(Date:2/22/2017)...  Aytu BioScience, Inc. (OTCQX: AYTU), a specialty pharmaceutical ... the field of urology, today announced the expansion of ... managers from 35 currently, a 20% increase in the ... expansion is being driven by the increasing growth of ... increasing acceptance of Natesto,s unique product profile and clinical ...
(Date:2/22/2017)... February 22, 2017 NetworkNewsWire Editorial Coverage: The ... states in the U.S. have now legalized marijuana for medicinal or ... Canada , Jamaica , ... Portugal , Uruguay and ... decriminalize cannabis in the last two years. As a result, the ...
(Date:2/22/2017)... , Feb. 22, 2017 Kineta, Inc., ... of novel immune modulating therapies, today announced that ... nicotinic acetylcholine receptor (nAChR), demonstrates robust chronic pain ... models. The study also establishes the a9a10 nAChR ... of chronic pain. The findings were reported online ...
Breaking Medicine Technology: