Auditory Dynamics Current Events | Auditory Dynamics News | 2
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Auditory neurons in humans far more sensitive to fine sound frequencies than most mammals
The human ear is exquisitely tuned to discern different sound frequencies, whether such tones are high or low, near or far. But the ability of our ears pales in comparison to the remarkable knack of single neurons in the brain to distinguish between the very subtlest of sound frequencies. view more (2008-01-11)
A wider range of sounds for the deaf
More than three decades ago, scientists pursued the then-radical idea of implanting tiny electronic hearing devices in the inner ear to help profoundly deaf people. view more (2007-06-11)
A Neural Mosaic of Tones
The brain filters what we hear. It can do this in part because particular groups of neurons react to specific frequencies of sound. view more (2006-06-23)
Estrogen Controls How the Brain Processes Sound
Scientists at the University of Rochester have discovered that the hormone estrogen plays a pivotal role in how the brain processes sounds. view more (2009-05-06)
Some children are born with 'temporary deafness' and do not require cochlear implant
Clinical research conducted in the Department of Communication Disorders at the University of Haifa revealed that some children who are born deaf "recover" from their deafness and do not require surgical intervention. view more (2007-05-17)
Research shows that time invested in practicing pays off for young musicians
A Harvard-based study published October 29 in the online, open-access journal PLoS ONE, led by Drs. Gottfried Schlaug and Ellen Winner has found that children who study a musical instrument for at least three years outperform children with no instrumental training-not only in tests of auditory discrimination and finger dexterity (skills honed by... view more... (2008-11-05)
Sensory feedback during speech: The brain attunes to more than just sound
Using robotics to manipulate the brain's perception of jaw movement while words are spoken, researchers have deepened our understanding of the importance of non-auditory sensory cues in the brain's control of speech. view more (2006-10-10)
Caltech neurobiologists discover individuals who 'hear' movement
Individuals with synesthesia perceive the world in a different way from the rest of us. Because their senses are cross-activated, some synesthetes perceive numbers or letters as having colors or days of the week as possessing personalities, even as they function normally in the world. view more (2008-08-07)
The Mediterranean connection: ecological effects of El Ni'±o in the Northern hemisphere
The North Atlantic Oscillation (NAO) and the El Ni'±o/Southern Oscillation (ENSO) are being increasingly acknowledged as major climatic sources of ecological variability. However, studies linking ecological processes to those oscillations have been conducted in geographic regions close to their centers of action, so their effects outside these... view more... (2004-06-10)
Sensitivity of brain center for 'sound space' defined
While the visual regions of the brain have been intensively mapped, many important regions for auditory processing remain "uncharted territory." Now, researchers at the Hebrew University of Jerusalem and elsewhere have identified a region responsible for a key auditory process - perceiving "sound space," the location of sounds,... view more... (2007-09-21)
New brain findings on dyslexic children
The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, according to new research from Northwestern University. view more (2009-11-12)
Hallucinations in schizophrenia linked to brain area that processes voices
For the first time, researchers using magnetic resonance imaging (MRI) have found both structural and functional abnormalities in specific brain regions of schizophrenic patients who experience chronic auditory hallucinations, according to a study published in the August issue of Radiology. view more (2007-07-31)
Sight, sound processed together and earlier than previously thought
The area of the brain that processes sounds entering the ears also appears to process stimulus entering the eyes, providing a novel explanation for why many viewers believe that ventriloquists have thrown their voices to the mouths of their dummies. view more (2007-10-30)
Stanford study of owls finds link in brain between sight and sound
Just imagine listening to someone talk and also hearing the buzz of the overhead lights, the hum of your computer and the muffled conversation down the hallway. view more (2006-01-19)
Measuring the auditory dynamics of selective attention
Call it the cocktail party effect: how an individual can participate in a one-on-one conversation within a cluster of people, switch to another, pick up important comments while tuning out others, change topics and return to the first conversation. view more (2008-08-22)
Carnegie Mellon scientists show brain uses optimal code for sound
Scientists at Carnegie Mellon University have discovered that our ears use the most efficient way to process the sounds we hear, from babbling brooks to wailing babies. view more (2006-02-24)
Hearing changes how we perceive gender
Think about the confused feelings that occur when you meet someone whose tone of voice doesn't seem to quite fit with his or her gender. view more (2007-10-25)
Gender differences in language appear biological
Although researchers have long agreed that girls have superior language abilities than boys, until now no one has clearly provided a biological basis that may account for their differences. view more (2008-03-04)
Telling axons where to go - and grow
In a recent study, Dr. Ingolf Bach and colleagues from the University of Massachusetts Medical School, Worcester and the University of Hamburg (Germany) describe a novel role for the ubiquitin/proteosome protein degradation pathway in the regulation of local actin dynamics in neurons. view more (2005-10-03)
Floating lovers count too — in the health of eagle populations
In a paper from the November issue of The American Naturalist, Vincenzo Penteriani, FermÃn Otalora, and Miguel Ferrer, researchers at the Estación Biológica de Doñana (Consejo Superior de Investigaciones CientÃficas, Spain), focus on the forgotten and invisible side of animal populations-the floaters. Floaters are dispersed individuals who... view more... (2006-11-02)
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