HOME >> BIOLOGY >> NEWS
Autism linked to mirror neuron dysfunction

Seeing is doing at least it is when mirror neurons are working normally. But in autistic individuals, say researchers from the University of California, San Diego, the brain circuits that enable people to perceive and understand the actions of others do not behave in the usual way.

According to the new study, currently in press at the journal Cognitive Brain Research, electroencephalograph (EEG) recordings of 10 individuals with autism show a dysfunctional mirror neuron system: Their mirror neurons respond only to what they do and not to the doings of others.

Mirror neurons are brain cells in the premotor cortex. First identified in macaque monkeys in the early 1990s, the neurons also known as "monkey-see, monkey-do cells" fire both when a monkey performs an action itself and when it observes another living creature perform that same action. Though it has been impossible to directly study the analogue of these neurons in people (since human subjects cannot be implanted with electrodes), several indirect brain-imaging measures, including EEG, have confirmed the presence of a mirror neuron system in humans.

The human mirror neuron system is now thought to be involved not only in the execution and observation of movement, but also in higher cognitive processes language, for instance, or being able to imitate and learn from others' actions, or decode their intentions and empathize with their pain.

Because autism is characterized, in part, by deficits in exactly these sorts of social interaction and communication skills, previous research has suggested that a dysfunctional mirror neuron system may explain the observed pathology. The current findings, the researchers say, lend substantial support to the hypothesis.

The UC San Diego team collected EEG data in 10 males with autism spectrum disorders who were considered "high-functioning" (defined as having age-appropriate verbal comprehension and production and IQs above 80
'"/>

Contact: Inga Kiderra
ikiderra@ucsd.edu
858-822-0661
University of California - San Diego
29-Mar-2005


Page: 1 2 3 4

Related biology news :

1. Autism theory put to the test with new technology
2. Autism-related proteins control nerve excitability, researchers find
3. 1 month post launch, Interactive Autism Network reports 13,000 participants
4. Autism media fellowship available at Vanderbilt University
5. Protein chatter linked to cancer activation
6. Risk of common vaginal infection linked to preterm birth appears higher for blacks
7. Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
8. Antibody linked to MS significantly higher in spinal fluid of blacks
9. Loss of cells antenna linked to cancers development
10. Scientists identify first gene linked to scoliosis
11. Gum disease in postmenopausal women linked to oral bone loss

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


(Date:7/10/2020)... ... July 08, 2020 , ... ... and Gene Therapy Regulation, An FDAnews Webinar, Wednesday, July 22, 2020 • 1:30 ... study, but what is the most effective way to complete one? Will the ...
(Date:7/4/2020)... ... July 03, 2020 , ... Aesthetics Biomedical (ABM), a leading ... for not only the products and treatments developed, but also the dedicated team ... All the brands built by ABM have received several honors already for 2020, ...
(Date:7/2/2020)... ... July 02, 2020 , ... Dutch ... the use of its revolutionary NEXTGENPCR endpoint thermocycler to test for SARS-CoV-2 ... The article, titled "Ultra-fast one-step RT-PCR protocol for the detection of SARS-CoV-2," ...
Breaking Biology News(10 mins):
(Date:7/22/2020)... ... July 22, 2020 , ... Join experts from Reed ... Manager Regulatory Solutions, in a one hour live webinar on Thursday, August ... in China for drugs and medical devices. Specifically, for medical devices, the NMPA has ...
(Date:7/18/2020)... ... 2020 , ... “We are thrilled to deliver this new technology to the ... its kind on the market and we were pleased that the IFT jury recognized ... cultured ingredients, creating a natural way to extend the shelf life and improve the ...
(Date:7/18/2020)... , ... July 17, 2020 , ... ... consulting firm for the life sciences and food industries, is pleased to announce ... of Clinical Research – Business Development. , Charles is an accomplished and results-driven ...
(Date:7/10/2020)... ... July 09, 2020 , ... ... that Massachusetts Institute of Technology (MIT) has expanded the company’s exclusive license ... to move into the point-of-care diagnostic market, focusing initially on the SARS-CoV-2 ...
Breaking Biology Technology:
Cached News: