Navigation Links
Bat brains offer clues as to how we focus on some sounds and not others
Date:11/14/2010

San Diego - How do you know what to listen to? In the middle of a noisy party, how does a mother suddenly focus on a child's cry, even if it isn't her own?

Bridget Queenan, a doctoral candidate in neuroscience at Georgetown University Medical Center is turning to mustached bats to help her solve this puzzle.

At the annual meeting of the Society for Neuroscience in San Diego, Queenan will report that she has found neurons in the brains of bats that seem to "shush" other neurons when relevant communications sounds come in a process she suggests may be working in humans as well.

In her investigations, she has also found that "some neurons seemed to know to yell louder to report communication sounds over the presence of background noise."

"So we can now start to piece together how the cells in your brain are able to deal with the complex sensory environment we live in," Queenan added.

To understand auditory brain function, bats are especially interesting animals to study because they process sound through echolocation, which is a kind of biological sonar. Bats call out and then listen to their own echoes produced when those calls bounce off nearby objects. Bats use these echoes to navigate and to hunt.

Not only do the brains of bats have to process a constant stream of pulses and echoes, they have to simultaneously process the bats' social communication, Queenan says.

"What we are trying to figure out is how a bat can fly around echolocating - screeching and listening to its own individual sounds bouncing back - amidst a whole colony of hundreds of other echolocating bats and possibly hear another bat saying 'watch out! Bats actually do make these cautious calls quite a bit," she says. "In fact, bats have a whole host of communication sounds: angry sounds, warning sounds, and sounds that says 'please don't hurt me."

The auditory processing area in bats' brains is larger than other cente
'/>"/>

Contact: Karen Mallet
km463@georgetown.edu
215-514-9751
Georgetown University Medical Center
Source:Eurekalert

Page: 1 2

Related biology news :

1. Old and young brains rely on different systems to remember emotional content
2. Rice University psychologist finds womens brains recognize, encode smell of male sexual sweat
3. Our brains make their own marijuana: Were all pot heads deep inside
4. Snakes and how they helped our big brains evolve
5. Monkey brains signal the desire to explore
6. Scientists remove amyloid plaques from brains of live animals with Alzheimers disease
7. Stimulus grant of nearly $9 million to UC San Diego funds big study of young brains
8. Ladder-walking locusts show big brains arent always best
9. Bigger not necessarily better, when it comes to brains
10. New neuroimaging analysis technique identifies impact of Alzheimers disease gene in healthy brains
11. Psychopaths brains wired to seek rewards, no matter the consequences
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/27/2015)... April 27, 2015  For more than four decades, ... has been the premier worldwide event for the unmanned ... a must-attend event for any local, national, or trade ... emerging commercial markets and current applications of unmanned technologies. ... this projected $48 billion industry, and how it will ...
(Date:4/20/2015)... , April 20, 2015 ...   Glenbeigh Records Management (GRM), Ireland,s ... with Dubai Islamic Bank. Having built up an impressive track ... now a leading player within the records management sector in ... expects to double is GCC staffbase and employ a further ...
(Date:4/13/2015)... , April 13, 2015  higi, a leading ... ways to more fully engage with their communities around ... industry-leading, privacy protected and secure API.  ... enables the most accessible, affordable, and convenient vehicle to ... The API will allow ...
Breaking Biology News(10 mins):UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 2UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 3UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 4UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 5Glenbeigh Records Management Wins Contract With Dubai Islamic Bank 2Glenbeigh Records Management Wins Contract With Dubai Islamic Bank 3higi Launches Seamless Access to HIPAA-Compliant Health Outcomes and Activity Data 2higi Launches Seamless Access to HIPAA-Compliant Health Outcomes and Activity Data 3
... of the nanocar at Rice University, has been awarded ... for 2008 by the California think tank dedicated to ... of four nominees for the prize, specifically for his ... buckyball wheels that served as an experiment to explore ...
... its target, all a protein needs to do is give ... new research from The University of Arizona in Tucson. ... for accurate readings of the information coded in the DNA,s ... hug method, called direct readout, can effectively pinpoint sites on ...
... LAFAYETTE, Ind. - Climate change could provide the warmer ... that feed on corn and other crops, according to ... milder winters could allow some of these insects to ... offspring each year, said Noah Diffenbaugh, the Purdue University ...
Cached Biology News:Rice's James Tour wins Feynman Prize 2Just a little squeeze lets proteins assess DNA 2Just a little squeeze lets proteins assess DNA 3Purdue study suggests warmer temperatures could lead to a boom in corn pests 2Purdue study suggests warmer temperatures could lead to a boom in corn pests 3
(Date:5/29/2015)... Texas , May 29, 2015  Caris ... from two studies in which researchers utilized Caris ... service, to identify potential therapeutic targets in patients ... expression of the programmed cell death protein 1 ... on June 1 at the 2015 American Society ...
(Date:5/29/2015)... Seoul Semiconductor (CEO: Chung-hoon Lee, http://www.seoulsemicon.com ), ... announced that it will increase the global automotive ... and high reliable LED product line-up for the ... developed efficient and reliable LED packages for the ... headlamps to global auto makers. Seoul Semiconductor’s 14 ...
(Date:5/28/2015)... May 28, 2015 ... has announced the addition of Jain ... Technologies, Markets and Companies"  to their ... report describes and evaluates animal biotechnology ... and pharmaceuticals as well as improvement ...
(Date:5/28/2015)... Muncie, IN (PRWEB) May 28, 2015 The ... annual National Model Aviation Day on August 15, 2015. National ... model aviation nation-wide and to introduce model flying to the ... approximately 2,350 chartered clubs to participate in the celebration by ... have registered to host National Model Aviation Day events. ...
Breaking Biology Technology:Multi-Platform Molecular Profiling from Caris Life Sciences Identifies Clinically Actionable Targets for Novel Immunotherapy Drugs 2Multi-Platform Molecular Profiling from Caris Life Sciences Identifies Clinically Actionable Targets for Novel Immunotherapy Drugs 3Multi-Platform Molecular Profiling from Caris Life Sciences Identifies Clinically Actionable Targets for Novel Immunotherapy Drugs 4Seoul Semiconductor Increases the Global Automotive LED Market Share with its High Efficient and Reliable LEDs for Automotive Lightings 2Global Animal Biotechnology Report 2015 - Technologies, Markets and Companies Analysis to 2024 2Global Animal Biotechnology Report 2015 - Technologies, Markets and Companies Analysis to 2024 3Model flying pilots celebrate the Academy of Model Aeronautics Foundation’s Third Annual National Model Aviation Day 2
... Medical Communications (IMC), a leading provider of peer-to-peer ... the appointment of Raghu Raghunath to the position ... addition to the executive team is consistent with ... advanced solutions for its clients. (Photo: ...
... Exchange Symbol: LRILAVAL, QC, Feb. 9 /PRNewswire-FirstCall/ - LAB ... LRI), a Canadian-based global non-clinical contract research organization, today ... Chairman of its Board of Directors in replacement of ... step down of the Board to focus on his ...
... 9 /PRNewswire-Asia-FirstCall/ -- 3SBio Inc.,(Nasdaq: SSRX ... manufacturing and marketing biopharmaceutical products primarily,in China, today ... as Chief Financial,Officer, effective February 1, 2009. Since ... acting as the financial advisor for the company, ...
Cached Biology Technology:Informed Medical Communications Appoints New Vice President, Information Technology 2LAB Research announces changes to its Board of Directors 23SBio Inc. Appoints Mr. Bo Tan as Chief Financial Officer 2
Methylation analysis of gene promoters using bilsulfite treatment of DNA and comparative DNA sequence analysis. Probe design and PCR included....
... automated, GLP-compliant Facility , Galaxy LIMS, Sophisticated ... Highly experienced scientists ,We offer individual sample ... full plasmids for single or double strand ... when the DNA of interest is 1.3 ...
GLP-compliant, CLIA-certified DNA sequencing service. ASQ and SQA certified quality assurance staff. Auditors welcome....
Sequencing and primer design rolled into one. Just give us your clone and a reference sequence, and we'll do the rest. Single-strand or double-strand coverage. Guaranteed results....
Biology Products: