HOME >> MEDICINE >> NEWS
Brain's action center is all talk

Neuroscience is tackling a problem that obsessed Hamlet: What is the difference in our minds between talk and action?

Less than you would expect, an international research group reports in the Sept. 19 issue of Current Biology.

The brain's premotor cortex shows the same activity pattern when subjects observe an action as when they hear words describing the same action, the study's authors said.

"If you hear the word 'grasp,' it's actually the premotor cortex that's active, not just a separate, abstract semantic area in the brain," said lead investigator Lisa Aziz-Zadeh, assistant professor of occupational sciences with a joint appointment in the Brain and Creativity Institute of the USC College of Letters, Arts and Sciences.

The premotor cortex has long been identified as a center of activity for actions. The notion that it could also process verbal descriptions of those actions has met some resistance.

"Neuroscience is coming around to this idea, but there hasn't been much data supporting it," Aziz-Zadeh said.

To change that, Aziz-Zadeh recruited 12 volunteers and used functional magnetic resonance imaging (fMRI) to compare the same areas of the premotor cortex in the same subject as the person observed an action and heard language describing the action.

The premotor area involved during observation of a specific action, such as kicking, also lit up when the subject heard the corresponding word. This was the first study to make such a direct comparison, Aziz-Zadeh said.

Other studies found activity in the same areas during execution of an action, Aziz-Zadeh added, offering indirect evidence for the existence of "mirror neuron" systems that activate both when a person performs a task and when the person watches someone else perform the task.

"The study does demonstrate the intimate linkage between the way we talk about actions and the neural machinery that supports those ac
'"/>

Contact: Carl Marziali
marziali@usc.edu
213-740-4751
University of Southern California
18-Sep-2006


Page: 1 2

Related medicine news :

1. Brains gambling circuitry identified
2. Brains own marijuana-like chemicals play key role with stress-induced pain relief
3. Drug interactions with warfarin
4. States taking action to insure nations 13.3M uninsured young adults
5. Paying taxes, according to the brain, can bring satisfaction
6. CAM-oriented primary care providers result in cost savings, high patient satisfaction
7. Panel offers guidelines on skin reactions to new class of cancer drugs
8. Data showed improved quality of life and patient satisfaction with SYMBICORT
9. Chronic pain can drive you to distraction
10. Pistachios may calm acute stress reaction
11. Blocking immune cell action increases Alzheimers-associated protein deposits

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


(Date:3/30/2021)... , ... March 29, 2021 , ... ... the 21st Century , A Virtual Workshop Presented by WCG FDAnews and Cerulean ... 4:30 pm EDT, https://wcg.swoogo.com/modern-sop-and-quality-systems , Are one’s SOPs written for the ...
(Date:3/30/2021)... ... March 29, 2021 , ... According to data released ... reproductive age (13-44) in need of publicly funded contraception live in counties impacted by ... Colorado’s 64 counties have lost some of their Title X resources. , The ...
(Date:3/30/2021)... ... March 29, 2021 , ... Health Literacy Innovations (HLI), a ... confusion due to low health literacy today announces a new partnership with the ... work with ACAP’s member Safety Net Health Plans, those that provide comprehensive health ...
(Date:3/30/2021)... ... ... Dr. Colin Campbell is proud to announce the 1 year anniversary in their new state ... internal medicine and is a primary care specialist who has been practicing for 23 years. ... keep South Jersey healthy one patient at a time. , “Over the past year, Dr. ...
(Date:3/30/2021)... ... March 30, 2021 , ... The COVID-19 ... and survivors; their families; and their caregivers. Crossroads4Hope is addressing the needs of ... emotional support system, MyGo2Support, which meets needs of people impacted by cancer, no ...
Breaking Medicine News(10 mins):
(Date:3/30/2021)... ... March 29, 2021 , ... The University of Texas Health Science Center ... San Antonio Multispecialty and Research Hospital, a destination center for research and treatment of ... In a nod to the COVID-19 pandemic, the ceremony was held virtually. , William ...
(Date:3/30/2021)... ... March 29, 2021 , ... Iora Health ... primary care, has partnered with Devoted Health , one of the fastest-growing ... across Maricopa County and provides seniors with the highest-quality care and experience possible, ...
(Date:3/30/2021)... CITY (PRWEB) , ... March 29, 2021 , ... ... has joined the Vaccine Credential Initiative (VCI), a group bringing together leading health ... record of vaccination status, based on open, interoperable standards. By joining the VCI ...
Breaking Medicine Technology:
Cached News: