Sentences with phrase «visual areas in the brain»

The visual areas in the brain measure these differences, and we experience the result as stereo — what we all have enjoyed as children playing with View - Master toys.

Not exact matches

From brain - imaging studies, we also know the visual cortex becomes more active while the area [in the brain] responsible for empathy becomes less active.

In the full - term infants, brain activity was detected in the visual areas of the brain even when the image didn't appear as expected, a sign of this top - down sensory predictioIn the full - term infants, brain activity was detected in the visual areas of the brain even when the image didn't appear as expected, a sign of this top - down sensory predictioin the visual areas of the brain even when the image didn't appear as expected, a sign of this top - down sensory prediction.

Using brain scans to compare the gray matter of children with RAD to typically developing children, the researchers found significantly reduced volume of gray matter in the area of the brain known as the left primary visual cortex.

This, along with changes in brain waves in visual regions and an increased blood flow in that area, correlated with reports of hallucinations.

Although the role of the visual cortex and other areas of the brain are being identified, and their functions clarified, it is not likely that there is a «truth» center in the brain or a «lying» center.

«We wanted to find out how and where visual information about grasped objects, for example their shape or size, and motor characteristics of the hand, like the strength and type of a grip, are processed in the different grasp - related areas of the brain,» says Schaffelhofer.

According to the mri results, 38 minutes after Rennich entered the tube, an area of darkness — of no color at all — appeared on the image of his brain, indicating that the neurons in a small region of the cerebral cortex were no longer transmitting visual information.

The three brain areas AIP, F5 and M1 lay in the cerebral cortex and form a neural network responsible for translating visual properties of an object into a corresponding hand movement.

That's why the MRIs of the memory contestants showed activation in the brain areas associated with visual imagery and spatial navigation.

These similar kinds or synchronized signals were found in brain areas that are connected with the early - stage processing of visual stimuli, detection of movement and persons, motor coordination and cognitive functions.

These signals are sent to the back of the brain to an area called V1 where they are transformed to correspond to edges in the visual scenes.

In January, Knudsen's team discovered that a brain area called the optic tectum (OT) sends visual signals that tweak the map: When the team members destroyed the connections between the OT and ICX, the map ceased adjusting.

They detected little or no MHCI expression in some areas of the brain, but they found it in several other places, including the visual cortex while the ocular dominance columns were forming, and in the hippocampus — an area of the brain associated with learning and memory — at all ages.

Nevertheless, studies that compare the vivid imagery of dreams with daytime vision reveal similar patterns of activity in the visual cortex, the largest brain area devoted to vision.

We know, for example, that different areas of the brain are involved in processing color and form of visual images.

A brief period of postnatal visual deprivation, when early in life, drives a rewiring of the brain areas involved in visual processing, even if the visual restoration is completed well before the baby reaches one year of age, researchers at the University of Trento, McMaster University, and the University of Montreal revealed in Current Biology.

Noisier signals arriving in higher visual areas may be harder to interpret, distracting the brain from the target and so making it more difficult to detect.

The causes of blindness in children are varied, but cerebral visual impairment (damage to areas of the brain associated with vision) is among the most common.

Several dream researchers have proposed the opposite path, suggesting that dreams originate in the regions that store memories and then connect to visual brain areas.

Clint Perry, senior author on the paper, said: «These correlations suggest that bees with more synaptic complexes in the visual association areas of their brain were predisposed to better memory and faster learning.

Li Li said: «For the first time, we have shown that visual learning can increase the density of nerve connections in this area of the brain and that an enriched environment, where bees are exposed to many colours without learning anything from them, can also affect the synaptic organisation in the brain.»

Although the primary visual cortex usually communicates mainly with other parts of the vision system, many other brain areas contributed to the processing of images in volunteers who received LSD.

Neurologists Daniel Winkowski and Eric Knudsen of Stanford University wired 12 owls with electrodes in the areas of their brains that process either visual or auditory input.

The connectivity was measured in 15 patients with visual hallucinations, 40 patients without visual hallucinations, and 15 healthy controls by calculating the level of synchronization between activation patterns of different brain areas.

Fathers of daughters had greater responses to their daughters» happy facial expressions in areas of the brain important for visual processing, reward, emotion regulation, and face processing than fathers of sons.

And when volunteers listened to spoken sentences, all their brains showed similar responses in the visual word form area.

Spatially oriented brains have an above - average grey matter volume in the right precuneus, a small area of the brain associated with processing visual - spatial information.

At the same time, the researchers monitored nerve firing in a part of the cortex — the ventral intraparietal area — that serves as an interface between the brain's visual and motor processing regions.

Over the past 50 years, we have learned more about the visual parts of the brain than any other areas, and we have a solid understanding of how neural activity leads to visual perception in a typical brain.

So pinpointing these differences in visual areas might reveal important details about processing in brain regions related to social functioning and language, which are not as well understood.

In this way, areas of the brain responsible for the motor system were active when a subject translated a term previously learned through gesture, while areas of the visual system were active in the case of words learned with the help of imageIn this way, areas of the brain responsible for the motor system were active when a subject translated a term previously learned through gesture, while areas of the visual system were active in the case of words learned with the help of imagein the case of words learned with the help of images.

A new study by MIT neuroscientists reveals how the brain achieves this type of focused attention on faces or other objects: A part of the prefrontal cortex known as the inferior frontal junction (IFJ) controls visual processing areas that are tuned to recognize a specific category of objects, the researchers report in the April 10 online edition of Science.

«The brain's ability to take in visual and sensory information and transform that into physical movements requires communication between the parietal area at the back of the brain and the frontal regions,» explains Sergio.

Using functional magnetic resonance imaging — a technique that monitors brain activity in real time — the Johns Hopkins group found reversing a decision requires ultrafast communication between two specific zones within the prefrontal cortex and another nearby structure called the frontal eye field, an area involved in controlling eye movements and visual awareness.

Alpha oscillations are regular fluctuations in the electrical activity in the back of the human brain — an area that includes the visual cortex, responsible for processing signals from the eyes.

Spearheaded by co-lead authors Sinisa Hrvatin, a postdoctoral fellow in the Greenberg lab, Daniel Hochbaum, a postdoctoral fellow in the Sabatini lab and M. Aurel Nagy, an MD - PhD student in the Greenberg lab, the researchers first housed mice in complete darkness to quiet the visual cortex, the area of the brain that controls vision.

Such is the difference between two brain areas involved in perceiving visual shapes.

In new research published, scientists at the Hebrew University of Jerusalem and in Germany and the USA show that the way in which the brain organizes its visual sense remains intact even in people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experiencIn new research published, scientists at the Hebrew University of Jerusalem and in Germany and the USA show that the way in which the brain organizes its visual sense remains intact even in people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experiencin Germany and the USA show that the way in which the brain organizes its visual sense remains intact even in people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experiencin which the brain organizes its visual sense remains intact even in people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experiencin people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experience.

In 2002, Blanke showed that he could induce out - of - body sensations in a patient by electrically stimulating the brain area that integrates vestibular and visual inpuIn 2002, Blanke showed that he could induce out - of - body sensations in a patient by electrically stimulating the brain area that integrates vestibular and visual inpuin a patient by electrically stimulating the brain area that integrates vestibular and visual input.

In food - restricted mice, just being shown the visual cue associated with the liquid treat provoked a strong response in sets of neurons in three different brain areaIn food - restricted mice, just being shown the visual cue associated with the liquid treat provoked a strong response in sets of neurons in three different brain areain sets of neurons in three different brain areain three different brain areas.

Researchers have hitherto assumed that information supplied by the sense of sight was transmitted almost in its entirety from its entry point to higher brain areas, across which visual sensation is generated.

«The brain at rest» is actually a hive of activity and what it's doing is trying to sort out information that comes in; I mean this is another, another thing that made Marcus Raichle curious about this, is we know, for instance, that six million bits of data go flowing in through your optic nerve from the environment around you, and then only 10,000 of those bits actually get to the brain's visual processing area and only a few hundred of those are involved in consciousness, and you know, the conscious processing associated with that visual activity.

Researchers pinpoint areas in the hearing cortex of the brain of macaques that respond to visual stimuli, providing clues how primates integrate sensory information

I was searching in the neurons, and I went to the border of the area of the brain where the visual system is.

The use of visual motion stimuli activates areas of the stroke patient's brain that are involved in eye movements and that facilitate attention towards the neglected side.

I think they accepted you could do that in the early visual areas of the brain, but to go so far away from the early stages of sensory processing and look at neural correlates in the hippocampus raised a lot of skepticism.

BOLD responses to the movie occurred in visual and auditory brain areas in both groups, yet were less pronounced in the ASD group in left superior parietal and superior temporal cortices (auditory cortex, Figure 1A).

In autism, neural activity was reduced in the left supplementary motor area and left auditory cortex (whole brain interaction p < 0.02, uncorrected; Heschl's gyrus, p = 0.02 FWE corrected; 54, -19, 7 MNI coordinates), and enhanced in bilateral visual cortex (whole brain p < 0.01 uncorrected, 3, - 91, -8 MNI coordinatesIn autism, neural activity was reduced in the left supplementary motor area and left auditory cortex (whole brain interaction p < 0.02, uncorrected; Heschl's gyrus, p = 0.02 FWE corrected; 54, -19, 7 MNI coordinates), and enhanced in bilateral visual cortex (whole brain p < 0.01 uncorrected, 3, - 91, -8 MNI coordinatesin the left supplementary motor area and left auditory cortex (whole brain interaction p < 0.02, uncorrected; Heschl's gyrus, p = 0.02 FWE corrected; 54, -19, 7 MNI coordinates), and enhanced in bilateral visual cortex (whole brain p < 0.01 uncorrected, 3, - 91, -8 MNI coordinatesin bilateral visual cortex (whole brain p < 0.01 uncorrected, 3, - 91, -8 MNI coordinates).

What his group found is that not only does that promote axon regeneration all the way back down the nerve, but in fact those axons go back to the right areas that they're supposed to get to in the brain — the right brain nuclei — and restore some measures of visual function.