HOME >> MEDICINE >> NEWS
Scientists capture images of brain in action as it's learning

Scientists in Toronto have captured images of the brain in action as it's learning -- an exciting finding that could help in the diagnosis and treatment of brain injuries.

Remember the comic strip analogy of a lightbulb coming on in the brain to depict a person who learns and becomes aware of something? It's really a "pattern of lightbulbs" according to a study conducted by the Rotman Research Institute at Baycrest Centre for Geriatric Care.

The study, published in the May 28th issue of the international journal SCIENCE has generated quite a buzz among neuroscientists and is being billed as a significant contribution to understanding how the brain works when conscious learning is taking place.

Scientists already know that 'learning' and 'awareness' is a function of the prefrontal cortex of the brain, part of the higher thinking region. Now the Rotman study has confirmed that it's actually several regions acting in concert.

"We found that learning and awareness involves a cohesive network of brain activity," says Rotman scientist Dr. Randy McIntosh, who led the study using brain imaging technology along with co-investigators Drs. Natasha Rajah and Nancy Lobaugh.

"It's like a pattern of lightbulbs coming on. Most of the action is happening in the left prefrontal cortex, but we confirmed that areas far away from the frontal regions are activated as well. They include the sensory regions that provide the visual and auditory information needed to do the task."

In the study, 12 university students participated in an associative learning exercise on a computer. They would hear two different tones and only six in the group became 'aware' that one of the two tones always predicted a visual event on the computer screen.

During the exercise, regional cerebral blood flow (which signifies brain activity) was measured in both the aware and unaware groups using a brain imaging technique called positron emission tomography (PET).

In students who
'"/>

Contact: Kelly Connelly
kconnelly@baycrest.org
416-785-2432
Baycrest
28-Jun-1999


Page: 1 2

Related medicine news :

1. Scientists replicate hepatitis C virus in laboratory
2. Scientists identify brain regions that decide where we look
3. Scientists uncover new mechanism for the amygdala in fear recognition
4. Scientists identify protein critical to melanoma growth
5. Scientists discover recipe for life: eating the Polymeal cuts heart disease by 76%
6. Scientists study fish oil diet in bid to cut heart attack risks
7. Scientists discover enzyme crucial to the transportation of proteins within cells
8. Scientists turn on the gender lens on cardiovascular disease research
9. Scientists stalk PPAR-gamma, find novel cancer connection
10. Scientists align billion-year-old protein with embryonic heart defects
11. Scientists pinpoint flaw, offer new promise for stroke treatment

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Scientists capture images brain action learning

(Date:7/28/2015)... ... 28, 2015 , ... Santa Rosa’s The Press Democrat announced its annual report of the very ... and Dr. Heather Furnas took the top spot as the Best Cosmetic Surgeons in ... are proud to be bestowed such a prestigious title. , The Press Democrat ...
(Date:7/28/2015)... , ... July 28, 2015 , ... ... Miriam Hospital examines outcomes for inmates who continued methadone maintenance treatment (MMT) during ... was more likely to relapse to opiate use (1) and more likely to ...
(Date:7/28/2015)... ... ... Morristown Medical Center, part of Atlantic Health System, today announced it was ... the nation, to implant the newly approved CoreValve® Evolut® R System from Medtronic. The ... condition. , The CoreValve® Evolut® R System was approved by the U.S. Food and ...
(Date:7/28/2015)... Francisco, California (PRWEB) , ... July 28, 2015 , ... ... the results from a recent survey (1) examining consumers’ perspectives on digital ... June 17-24, 2015, covered topics such as innovations in digital health, level of trust ...
(Date:7/28/2015)... ... 2015 , ... Dr. Aziz Ahmad recently gave a talk on the current ... 1 p.m. Tuesday, June 23, at the Gulf Coast Regional Medical Center Large HR ... in colorectal surgery and has more than 35 years of experience in the surgical ...
Breaking Medicine News(10 mins):Health News:Dr. Canales and Dr. Furnas Honored as Sonoma County’s Best Cosmetic Surgeons 2Health News:Novus Medical Detox Center Analyzes Methadone Study Findings and Implications for Opiate Abuse Treatment 2Health News:Novus Medical Detox Center Analyzes Methadone Study Findings and Implications for Opiate Abuse Treatment 3Health News:Novus Medical Detox Center Analyzes Methadone Study Findings and Implications for Opiate Abuse Treatment 4Health News:Morristown Medical Center First Hospital in New Jersey to Implant Newly Approved Heart Valve 2Health News:Morristown Medical Center First Hospital in New Jersey to Implant Newly Approved Heart Valve 3Health News:Consumers Concerned About Privacy of Personal Health Data on Wearables and Mobile Apps, According to New Healthline Survey 2Health News:Consumers Concerned About Privacy of Personal Health Data on Wearables and Mobile Apps, According to New Healthline Survey 3Health News:Consumers Concerned About Privacy of Personal Health Data on Wearables and Mobile Apps, According to New Healthline Survey 4Health News:Consumers Concerned About Privacy of Personal Health Data on Wearables and Mobile Apps, According to New Healthline Survey 5Health News:Dr. Aziz Ahmad Delivers Talk at Gulf Coast Medical Center 2
(Date:7/28/2015)... 28, 2015  Zipnosis, the first virtual care solution to ... launch their own branded virtual care service line, announced an ... CareNow is currently in use. ... As health ... recognize the value of providing their own branded online care ...
(Date:7/28/2015)... , July 28, 2015  Xencor, Inc. (NASDAQ: ... antibodies for the treatment of autoimmune diseases, asthma and ... second quarter 2015 financial results after the market closes ... a webcast and conference call the same day at ... financial results and provide a corporate update. ...
(Date:7/28/2015)... 28, 2015 Dipexium Pharmaceuticals, Inc. (NASDAQ: ... on the development and commercialization of Locilex® (pexiganan ... data will be presented at the American Society ... Chemotherapy and International Society of Chemotherapy,s International Congress ... in San Diego, California , ...
Breaking Medicine Technology:Zipnosis Announces Group Health to use Virtual Care Service Line 2Zipnosis Announces Group Health to use Virtual Care Service Line 3Xencor to Host Second Quarter 2015 Financial Results Webcast and Conference Call on August 4, 2015 2Dipexium Pharmaceuticals' Pexiganan Demonstrates Microbiological Activity Against Pathogens Resistant to other Topical Antibiotics 2Dipexium Pharmaceuticals' Pexiganan Demonstrates Microbiological Activity Against Pathogens Resistant to other Topical Antibiotics 3
Cached News: