Navigation Links
Brain Quickly Detects Happiness in Others
Date:7/6/2009

Study finds people perceive positive expressions more accurately than sad ones

MONDAY, July 6 (HealthDay News) -- When it comes to picking up emotional signals from others, the brain responds to happiness faster than sadness, a new study has found.

Researchers at the University of Barcelona in Spain zeroed in on the right cerebral hemisphere as the brain's center for processing emotional signals from other people. Not only does the right hemisphere process emotions faster than the left hemisphere, it's particularly eager when it comes to happy vibes, they found.

"Positive expressions, or expressions of approach, are perceived more quickly and more precisely than negative or withdrawal ones," study author J. Antonio Aznar-Casanova told a Spanish science news service. "So, happiness and surprise are processed faster than sadness and fear."

The researchers tested 80 psychology students -- 65 women and 15 men -- using the "divided visual field" technique to determine which hemisphere processes the information faster. The study is part of a growing body of research into the brain's asymmetry and how the two hemispheres are able to get a reasonably accurate first impression of people's social signals after seeing their faces for only a tenth of a second.

Scientists are settling on two theories. One theory puts much of the emotional processing workload, both positive and negative, on the right hemisphere. The other theory -- known as the approach-withdrawal hypothesis -- suggests that both hemispheres play a part, with the left one better at crunching negative data.

Determining how people make value judgments based on first impressions is important in many areas of society, said Aznar-Casanova, adding that "these inferences can strongly influence election results or the sentences given in trials."

The findings are reported in the third issue this year of the journal Laterality: Asymmetries of Body, Brain and Cognition.

More information

The U.S. National Institute of Neurological Disorders and Stroke has more on the brain.



-- Peter West



SOURCE: News release, Plataforma SINC, June 17, 2009


'/>"/>
Copyright©2009 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Fish Fuels Young Mens Brains
2. Odd Behaviors on Ambien Linked to Brain Circuitry
3. 6th Annual Neurosurgery Charity Softball Tournament Hits It Out of the Park For Pediatric Brain Tumor Research Fund
4. Study identifies biomarker that safely monitors tumor response to new brain cancer treatment
5. Brain section multitasks, handling phonetics and decision-making
6. Mayo Clinic Proceedings reviews deep brain stimulation to treat psychiatric diseases
7. Real-Time Control of Wheelchairs with Brain Waves
8. Smoking May Trigger Brain Damage
9. Grab a Tool and Change Your Brain
10. Tiny levels of carbon monoxide damage fetal brain
11. Forsyth Medical Center's Derrick L. Davis Forsyth Regional Cancer Center to Take Part in Research Trial for Patients with Fast-Growing Brain Tumors
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Brain Quickly Detects Happiness in Others
(Date:1/21/2017)... (PRWEB) , ... January 21, 2017 , ... ... of its new medical office in Petaluma, located at 167 Lynch Creek Way. ... access to SRO sports medicine and rehabilitation services and on-site x-ray ...
(Date:1/20/2017)... ... 20, 2017 , ... Spectrum Aquatics Launches New ADA Portable Motion Trek BP 300 Lift. Built ... is mounted on wheels, it can be wheeled out of the way and stored when ... the deck. "We have transformed the feedback from customers into specific enhancements and created a ...
(Date:1/20/2017)... ... January 20, 2017 , ... Source Vitál Apothecary, a skin and body ... oils, announced the company had a successful visit to the 2017 ECRM Diet, Vitamin ... companies that work in the nutritional, sports and health industries a chance to meet ...
(Date:1/20/2017)... ... January 20, 2017 , ... Lice Troopers, the lice removal company ... with school-aged children since the holiday season. , “It happens every year around ... sharing hugs and taking photos, which is the head-to-head gateway that lice need to ...
(Date:1/20/2017)... ... January 20, 2017 , ... Michael and Betsy Brauser celebrated 5 years ... Betsy, the clinical trial has been life-saving as she has been on the ... Betsy Brauser was diagnosed with ovarian cancer in 2009. She underwent standard chemotherapy but ...
Breaking Medicine News(10 mins):
(Date:1/20/2017)... , January 20, 2017 Avillion LLP, ... appointment of Mark Weinberg , MD MBA as Chief Medical ... , USA . ... Dr Weinberg has spent more than 17 years ... 20" pharma companies to micro-cap biotech. Over the course of his ...
(Date:1/19/2017)... YORK , Jan. 19, 2017 Report ... Ophthalmic Devices Market? Which areas are going to grow ... potential revenues to 2026, assessing data, trends, opportunities and ... and graphs. Discover the most lucrative areas in the ... lets you assess forecasted sales across the all the ...
(Date:1/19/2017)... 2017 Conference Call and Webcast to Follow ... it will release results for the fourth quarter of 2016 on ... ... call at 4:30 PM ET on Wednesday, February 15, 2017, during ... financial results and other corporate activities. To participate in the conference ...
Breaking Medicine Technology: