Navigation Links
Bird Brains Show How Trial and Error May Contribute to Learning

The adult male zebra finch knows only one scratchy tune learned in its youth, which it performs repeatedly and intensely when females are listening. But occasionally, the finch might improvise, experimenting with a slower, more sultry variation or emphasizing different notes.

Neurobiologists studying the finch now say the improvisation arises from a component of a crucial learning circuit in a section of the forebrain that seems to generate the trial and error necessary to master sophisticated motor skills, such as singing in birds or speech and sports in humans.

"It means this part of the brain is important for instructing or allowing changes in the song," said Mimi Kao, first author of a paper in the February 10, 2005, issue of the journal Nature that demonstrates how the region modulates bird song in real time. Kao, a Howard Hughes Medical Institute (HHMI) predoctoral fellow, is in the final months of her doctoral training in the laboratory of co-author Allison Doupe at the University of California, San Francisco's Keck Center for Integrative Neuroscience.

A similar brain pathway in humans may explain how children learn to talk by listening to themselves and others, and how adults learn and hone new motor skills, such as tennis. The process relies on feedback about what works and what doesn't, also called experience-dependent or performance-based learning.

"That all requires paying attention to how we're doing, experimenting with different things, and gradually getting better," said senior author Michael Brainard, assistant professor of physiology at UCSF, whose lab is funded in part by a grant from HHMI. "It makes sense that one part of the brain has as part of its job introducing that kind of variability."

Kao began with an experiment to stimulate the region of the forebrain called LMAN (lateral magnocellular nucleus of the anterior nidopallium). In the avian brain, LMAN receives input about complex movements from the basa
'"/>

Source:Howard Hughes Medical Institute

Note : Some audio media is available in the original press release. Go check it out.


Page: 1 2 3

Related biology news :

1. Bees, Brains and Addiction
2. Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see
3. Brainstem blocks pain to protect key behaviors
4. Brains can recover from alcoholic damage but patients should stop drinking as soon as possible
5. FDA Approves Human Hookworm Vaccine for Phase I Safety Trials
6. NIAID Initiates Trial of Experimental Avian Flu Vaccine
7. EuroVacc 02 HIV Vaccine Trial Begins
8. Visceral Leishmaniasis: Successful Vaccine Trial In Dogs
9. Trial success for diabetic nerve therapy
10. Trials for new drug to overcome HIV
11. Errors in the measurement of global warming corrected
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Bird Brains Show How Trial and Error May Contribute Learning

(Date:7/31/2014)... team of scientists from Spain, France, and the ... that is the oldest definitive member of the ... amber. The discovery and description were made possible ... synchrotron imaging technique, which allows the detailed study ... new species is described in the journal ...
(Date:7/31/2014)... news release is available in German . ... can take up gases similar to a sponge that ... suited for storing hydrogen or greenhouse gases. However, loading ... Karlsruhe Institute of Technology (KIT) now report in ... cor-rosion of the MOF surface. This can be prevented ...
(Date:7/31/2014)... percent of animal models against the highly infectious and ... intestinal disease that kills approximately 30,000 Americans annually. The ... and Immunity . , In the study, the ... purified toxins produced by C. difficile , as ... model that mimics the human disease, after only two ...
Breaking Biology News(10 mins):Free pores for molecule transport 2C. difficile vaccine proves safe, 100 percent effective in animal models 2
... CLEVELAND Case Western Reserve,s Technology Transfer Office has ... (AD) treatment strategy to spinoff company ReXceptor Inc., which ... medication within the next few months. Gary Landreth, ... Neurosciences, and his then-graduate student, Paige Cramer, PhD, co-founded ...
... After years of scientific uncertainty and speculation, researchers at ... exactly how trees help create one of society,s predominant ... has long been known that trees produce and emit ... protect leaves from oxygen damage and temperature fluctuations. However, ...
... at Wake Forest University,s Organic Electronics group have come ... biggest technological barriers facing the organic semiconductor industry today. ... team of researchers developed a high performance organic semiconductor ... areas without losing electric conductivity. This is a potentially ...
Cached Biology News:Research spinoff ReXceptor gets license for Alzheimer's treatment 2Researchers pinpoint how trees play role in smog production 2High performance semiconductor spray paint could be a game changer for organic electronics 2
(Date:7/31/2014)... Calif. (PRWEB) July 31, 2014 Held ... diagnosed patients with an overview of the disease and ... of drug side effects, as well as updates on ... grateful to Dr. Sandy Srinivas for organizing this educational ... of kidney cancer. “Sandy and her colleagues have put ...
(Date:7/31/2014)... The global market for molecular diagnostics is ... to a new study by Grand View Research, Inc. ... subsequent introduction of advanced cancer diagnostic technologies are expected ... next six years. Moreover, the growing global base of ... with disease triggering lifestyle habits such as smoking and ...
(Date:7/31/2014)... IL (PRWEB) July 31, 2014 ... of automation across the U.S., increasing unemployment, depressing ... class. It is a Catch 22—we need ... but this means fewer jobs,” says economist and ... just-released Pollina Corporate Top 10 Pro-Business States for ...
(Date:7/31/2014)... (PRWEB) July 31, 2014 ... and collaboration company, is proud to announce the ... LMS complements Adobe Connect’s elearning tools to quickly ... delivers content with training tools for desktop and ... with LMS is the perfect online training solution, ...
Breaking Biology Technology:Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 2Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 3Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 4Molecular Diagnostics Market - Global Industry Size, Share, Trends, Analysis, Players, Opportunity, Outlook and Forecast From 2014 to 2020 5ITRA Global Affiliate’s Pollina Corporate Top 10 Pro-Business States Minimize the Impact of Automation on Middle Class and Unemployment 2ITRA Global Affiliate’s Pollina Corporate Top 10 Pro-Business States Minimize the Impact of Automation on Middle Class and Unemployment 3ITRA Global Affiliate’s Pollina Corporate Top 10 Pro-Business States Minimize the Impact of Automation on Middle Class and Unemployment 4SoundConnect Enhances Portfolio with Adobe Connect Learning Management System (LMS) 2
... AIS is a provider of browser-based policy, ... the system allows business users to maintain much ... technical resources are conserved. The combination of Fiserv ... companies to automate customer communication, provide high levels ...
... ,You did it; you brought Bill Gates to his tender knees. ... campus. 'Curses, you worm writer, you!" It echoed among the buildings, ... teeth. And beneath the whimpers you could almost hear Billy saying ... money and fix my software."* , ,Wow, if only ...
... get techies into ballgame, too , ,As the ... recent or soon-to-be college grads may view a career ... could only see what really goes on in todays ... systems, robotic welding, remote sensoring and other modern staples ...
Cached Biology Technology:Open Letter: Blasted Worm 2Open Letter: Blasted Worm 3Manufacturing still viable career 2Manufacturing still viable career 3
...
Mouse monoclonal antibody raised against a full length recombinant ATF3. NCBI Entrez Gene ID = ATF3...
... The dsRNA Marker consists of ten double-stranded ... 300, 400, 500 and 1,000 base pairs. ... marker for determinating sizes of double-stranded RNAs. ... the dsRNA Marker is adjusted to approximately ...
... raised against a partial recombinant ... HD (NP_002102, 81 a.a. ... protein with GST tag. ... NM_002111 Protein ...
Biology Products: