Sentences with phrase «of auditory cortex»

Because the oscillatory profile determines the time constants with which speech is segmented, and the neural code presented to higher order language brain regions due to temporally spike reorganization, functional isolation of auditory cortex should strongly impair on - line speech decoding.

ASD participants showed a deficit in speech envelope tracking, as assessed by the BOLD signal, in a region of auditory cortex that overlapped with the region showing a global response deficit to the movie (Figures 1C, D).

Moreover, the brains of the successful subjects had more gray matter in a part of their auditory cortex implicated in pitch perception.

The current finding confirms previous studies that suggested caudal sections of the auditory cortex in humans are involved in interpreting visual speech, but could not use fMRI to properly localize this correlation.

More fields responded in the fully alert animals, but they were all in the hindmost regions of the auditory cortex.

Cross section of the auditory cortex of a mouse brain.

The team used diffusion neuroimaging to study development of the auditory cortex in the infants» brains.

The researchers used a technique called magnetoencephalography, which detects the firing of neurons as changes in the brain's magnetic field, to monitor the responses of the auditory cortex to the tones.

If I take out parts of the auditory cortex, you're deaf but still conscious.

They identified the regions of the auditory cortex that contribute to AAD and found that the system decoded the attention of the listener and amplified the voice he or she wanted to listen to, using only the mixed audio.

In addition to the asymmetry of auditory cortex activation for the processing of the original music, we showed that BOLD signals were modulated by alterations of the musical stimuli.

Not exact matches

Thus, the right - lateralized auditory cortex activation was attributable to the specific features of the (mainly consonant and structured) original music and was not simply an unspecific response that could have been elicited by any sound in general.

What's more, these genes are expressed in both the auditory and visual cortices of the brain during childhood development, the researchers report today in the Proceedings of the National Academy of Sciences.

The thinking goes that most cases of chronic tinnitus result from changes in the signals sent from the ear to neurons in the brain's auditory cortex.

Specialized sensory neurons in the inner ear, called hair cells, are responsible for the detection of sounds, and this information is transmitted to the auditory cortex via several intermediate structures.

She and her colleagues focused on the neuronal activity in the trapezoid body, a structure located in the brainstem that forms part of the pathway that eventually leads to the auditory cortex.

To make matters more challenging, Lappas decided at this early stage in the experiment to search for patterns not only in the auditory cortex but in other areas of the brain as well.

As a subject imagined hearing words, his auditory cortex lit up the screen in a characteristic pattern of reds and greens.

In the course of examining single unit responses from the cortex of unrestrained and unanesthetized cats, we have come upon a population of cells that appears to be sensitive to auditory stimuli only if the cat «pays attention» to the sound source.

The researchers found evidence for a «voice area» in the auditory cortex of these macaques: a discrete region of the anterior temporal lobe in which activity was greater for macaque vocalizations than for other sound categories.

Initially, sensory areas of the auditory and visual cortex activate to process audible or visual cues.

Recording the electrical activity of neurons directly from the surface of the brain, the scientists found that for a simple task, such as repeating a word presented visually or aurally, the visual and auditory cortexes reacted first to perceive the word.

Music is processed in the auditory cortex in this same region of the brain, which was why Charyton wanted to study the effect of music on the brains of people with epilepsy.

Within older adults who scored below the normal benchmark on a dementia screening test, but have no noticeable communication problems, scientists have discovered a new potential predictor of early dementia through abnormal functionality in regions of the brain that process speech (the brainstem and auditory cortex).

The team found that approximately five percent of the neurons in the higher auditory cortex reacted to the tutor song and that this could be indicative of where the early auditory memory is located in the brain.

A new study published in PLOS Computational Biology investigates how temporal acoustic patterns can be represented by neural activity within auditory cortex, a major hub within the brain for the perception of sound.

It is thought to be caused by a reorganisation of the brain's auditory cortex, so too many neurons respond to particular sound frequencies.

Sur had severed the neurons connecting the eyes of newborn ferrets to the brain's visual cortex; then he reconnected those same neurons to the auditory cortex.

The existence of auditory responses in the occipital cortex of cataract - recovery patients, as observed in the study, therefore poses crucial questions regarding how these non-visual inputs coexist or even interfere with visual functions.

The analysis revealed that by 26 weeks of gestation, the primary auditory cortex was in a much more advanced stage of development than the nonprimary auditory cortex.

The team also found an association between the delayed development of the nonprimary auditory cortex in infancy and language delays in the children at age 2, suggesting that disruptions to this part of the brain as a result of premature birth may contribute to the speech and language problems often seen later in life in preemies, Monson said.

Between 26 weeks and about 40 weeks — the latter the equivalent of full - term birth — the nonprimary auditory cortex in the preterm infants matured quickly, partially catching up to the primary auditory cortex.

The team focused on the primary auditory cortex, which is the first cortical region to receive auditory signals from the ears via other parts of the brain, and the nonprimary auditory cortex, which plays a more sophisticated role in processing those stimuli.

According to a study conducted by researchers from CNRS and Inserm at the Centre de Recherche en Neurosciences de Lyon (CNRS / Inserm / Université Claude Bernard Lyon 1), amusics exhibit altered processing of musical information in two regions of the brain: the auditory cortex and the frontal cortex, particularly in the right cerebral hemisphere.

In fact, the parietal cortex is critical to auditory and tactile awareness as well as visual concentration, so Lavie's results are likely to have implications for a wide range of activities.

The scientists observed that, when hearing and memorizing notes, amusics exhibited altered sound processing in two regions of the brain: the auditory cortex and the frontal cortex, essentially in the right hemisphere.

«Traditionally FFRs were called the «auditory brainstem responses», so we were very surprised when our method revealed that they also included a big contribution from the cortex,» says Robert Zatorre, Professor of Neurology and Neurosurgery at McGill University, and senior author.

The discovery of FFRs originating from the auditory cortex better informs research on neuroplasticity and its potential to improve auditory processing.

«Reorganization of brain outputs in deaf cats: Increased connections from auditory cortex to superior colliculus may support enhanced information process after hearing loss.»

In the current study, researchers found to their surprise that most of the nerve cells in auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a reward.

Dennis Barbour, MD, PhD, associate professor of biomedical engineering in the School of Engineering & Applied Science who studies neurophysiology, found in an animal model that auditory cortex neurons may be encoding sounds differently than previously thought.

Sensory neurons, such as those in auditory cortex, on average respond relatively indiscriminately at the beginning of a new stimulus, but rapidly become much more selective.

Froemke says his team's latest findings reveal that while mammals recognize sounds in the auditory cortex of their brains, the signaling levels of nerve cells in this brain region are simultaneously being strengthened or weakened in response to surrounding context.

It may be that distractions deprive the errant signals from the auditory cortex of the attention they need to cause real distress.

One of their first stops is a patch of gray matter called the auditory cortex.

Schlee's results suggest that the higher regions of the brain send their own feedback to the auditory cortex, amplifying its false signals.

Each nerve hair is tuned to a particular frequency of sound and excites only certain neurons in the auditory cortex.

A fetus starts to hear at about 24 weeks of gestation, as neurons migrate to — and form connections in — the auditory cortex, a brain region that processes sound, Stromswold explains.

Babies exposed to their mothers» voices had significantly thicker auditory cortices than those in the control group, the researchers report online today in the Proceedings of the National Academy of Sciences.

The invention of a less invasive implant device with many more channels that can interact with the brain would result in revolutionary improvements to brain - machine interfaces, including direct interfaces to the auditory cortex and the visual cortex, expanding dramatically the ways in which artificial systems can support brain function.