Navigation Links
Weather prediction task: Learning achievement with and without stress
Date:8/8/2012

Stressed and non-stressed persons use different brain regions and different strategies when learning. This has been reported by the cognitive psychologists PD Dr. Lars Schwabe and Professor Oliver Wolf from the Ruhr-Universitt Bochum in the Journal of Neuroscience. Non-stressed individuals applied a deliberate learning strategy, while stressed subjects relied more on their gut feeling. "These results demonstrate for the first time that stress has an influence on which of the different memory systems the brain turns on," said Lars Schwabe.

The experiment: Stress due to ice-water

The data from 59 subjects were included in the study. Half of the participants had to immerse one hand into ice-cold water for three minutes under video surveillance. This stressed the subjects, as hormone assays showed. The other participants had to immerse one of their hands just in warm water. Then both the stressed and non-stressed individuals completed the so-called weather prediction task. The subjects looked at playing cards with different symbols and learned to predict which combinations of cards announced rain and which sunshine. Each combination of cards was associated with a certain probability of good or bad weather. People apply differently complex strategies in order to master the task. During the weather prediction task, the researchers recorded the brain activity with MRI.

Two routes to success

Both stressed and non-stressed subjects learned to predict the weather according to the symbols. Non-stressed participants focused on individual symbols and not on combinations of symbols. They consciously pursued a simple strategy. The MRI data showed that they activated a brain region in the medial temporal lobe - the hippocampus, which is important for long-term memory. Stressed subjects, on the other hand, applied a more complex strategy. They made their decisions based on the combination of symbols. They did this, however, subconsciously, i.e. they were not able to formulate their strategy in words. The result of the brain scans was also accordingly: In the case of the stressed volunteers the so-called striatum in the mid-brain was activated - a brain region that is responsible for more unconscious learning. "Stress interferes with conscious, purposeful learning, which is dependent upon the hippocampus," concluded Lars Schwabe. "So that makes the brain use other resources. In the case of stress, the striatum controls behaviour - which saves the learning achievement."


'/>"/>

Contact: Dr. Lars Schwabe
Lars.Schwabe@rub.de
49-234-322-9324
Ruhr-University Bochum
Source:Eurekalert

Related medicine news :

1. Extreme Heat Biggest Weather Killer, Expert Warns
2. Use Caution When Exercising in Hot Weather
3. Red Wine, Weather May Trigger Migraines
4. A learning health system moves from idea to action
5. Electronic data methods research seeks to build a learning health care system
6. Excessive sleepiness may be cause of learning, attention and school problems
7. $9 million grant awarded to UH to study, treat learning disabilities
8. Emotional Trauma May Hurt Toddlers Later Learning
9. Gladstones Lennart Mucke receives Lifetime Achievement Award from the Alzheimers Association
10. Obesity negatively predicts minimal disease activity achievement in patients with PSA
11. Loyola Cancer Center receives Outstanding Achievement Award
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/10/2016)... ... February 10, 2016 , ... 10 Best Water is ... leading bottled water brand owners that topped the list as a result of their ... conversion. The premier brand was Tibet 5100, a top notch water company that specializes ...
(Date:2/10/2016)... , ... February 10, 2016 , ... ... Diego, will bring together more than 200 of the country’s top healthcare executives ... future. , “The true benefit of the Forum is the provider-centric perspective, experience, ...
(Date:2/10/2016)... ... , ... Armune BioScience signed a definitive agreement with ARCpoint ... across the country. Launched in April of 2015, Apifiny is the only cancer specific, ... order volume exceeded 3,000 tests in 2015. Primary care physicians and urologists have utilized ...
(Date:2/10/2016)... ... February 10, 2016 , ... A national ... Congress and Expo event March 9-11, 2016. Hosted by Ohio's Bureau of Worker's ... , As the longest running and largest worker's compensation event in Ohio, organizers ...
(Date:2/10/2016)... ... February 10, 2016 , ... ... February 26th: Amateur & Professional Divisions - Time: 7:00pm – 10:00pm | ... | Ticket Prices $30, Social Media: http://www.USPoleSportsFed.org , Facebook: http://www.facebook.com/uspolesportsfederation ...
Breaking Medicine News(10 mins):
(Date:2/10/2016)... LONDON , February 10, 2016 ... window and M 1 receptor selectivity   ... Heptares StaR® technology, which has entered clinical development ... patients with dementia and schizophrenia.   --> ... StaR® technology, which has entered clinical development as ...
(Date:2/9/2016)... FARMINGDALE, N.Y., Feb. 9, 2016  Misonix, Inc. ... company that designs, manufactures and markets innovative therapeutic ... wound debridement, cosmetic surgery, laparoscopic surgery and other ... second quarter and the first half of fiscal ... --> --> Highlights ...
(Date:2/9/2016)... Mass. , Feb. 9, 2016  Insulet Corporation (NASDAQ: ... tubeless insulin pump technology with its OmniPod ... David A. Lemoine has been appointed to Insulet,s Board ... of nine directors, eight of whom are independent. ... 40 years of audit and finance experience and a deep ...
Breaking Medicine Technology: