During his doctoral and post-doctoral work under the mentorship of Jeffrey Goldberg, MD, PhD, and Larry Benowitz, PhD, Dr. Trakhtenberg discovered (1) how Set - β and PP2A proteins regulate axon growth; (2) the role of serotonin receptor 2C in neurite growth and
processing of visual information; and (3) that inhibiting the transcription factor Klf9 acts synergistically with zinc chelation in stimulating axon regeneration.
Not exact matches
The human eye
processes visual / pictoral
information more quickly than words, making pictures
of any kind a shortcut to comprehension and awareness.
«Most
of our brain is wired for
processing visual information,» says Barry.
90 %
of all
information transmitted to the brain is
visual, and
visuals are
processed 60,000 X faster in the brain than text.
It appears that somewhere in the brain the
information is being
processed, but it can not be accessed as part
of a
visual field.
A
visual experience, for instance, lends itself to description as a complex semiotic
process involving transmissions and integrations
of signs, or bits
of information, to a central organ, the brain, and more localized
processes of selection, sorting, and evaluation (i.e., gradations as to relevance
of various types
of information) that sometimes issue in tentative (and often only vague) interpretations.
Different parts
of the brain
process different sensory inputs; adding
visual info through AR risks overload the
visual processing (the tendency will be to filter out one or the other input, so umpires will eventually use only the AR overlay and ignore what they're actually seeing, or use only what they're seeing and ignore the AR overlay), while adding haptic input calls on a different part
of the brain to
process the
information in conjunction with the
visual input.
While your newborn's eyes are physically capable
of seeing just fine at birth, his brain isn't ready to
process all that
visual information, so things stay pretty fuzzy for a while.
«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.
Each
of these subtypes has to form connections with a different area
of the brain that
processes visual information.
By peering into the eyes
of mice and tracking their ocular movements, researchers made an unexpected discovery: the
visual cortex — a region
of the brain known to
process sensory
information — plays a key role in promoting the plasticity
of innate, spontaneous eye movements.
An MSU assistant professor in neuroscience is part
of a team that has made progress understanding how the brain
processes visual information.
According to the scientists, the study offers evidence neurons in the prefrontal cortex
of the brain start
processing information in anticipation
of where we are going to look before we ever do it, suggesting that selective
processing might be the mechanism for
visual stability.
The team revealed that V2 neurons
process visual information according to three principles: first, they combine edges that have similar orientations, increasing robustness
of perception to small changes in the position
of curves that form object boundaries.
If certain areas
of the brain that
process visual information are activated — by a blow to the head, for example — tiny stars
of light appear.
One possible explanation is that our
visual system receives so much
information at any given moment that we can not
process it all, so we remain unaware
of it.
This discovery that certain
visual information can be
processed unconsciously in a parallel brain pathway reminds us
of the enigmatic neurological syndrome
of blindsight.
In humans
information from the left
visual field
of each eye is
processed in the right hemisphere, and vice versa.
«On the road, the brain needs to
process a lot
of visual information quickly,» says Steven Aldrich, chief executive
of Posit Science, the company in San Francisco, California, that developed the programs.
Egelhaaf adds that he will be using the new sensor system to study
visual information processing in the nervous system
of flies.
In addition, as with the human brain, the fly brain is compartmentalized into regions that
process different sensory
information (
visual, acoustic, olfactory), and it uses the same types
of neurotransmitters as humans.
One
of the most striking realizations
of the past decade
of work has been that
information processing follows somewhat different principles than those established with traditional research involving just
visual or just auditory stimuli.
He could still
process visual imagery, possibly by moving that
information through other regions
of the brain.
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.
We can use our rich knowledge
of how neurons in animals
process visual information to bridge the gap between animals and people.
«We found that approximately 40 %
of the brain cells that
process visual signals appear to receive
information from mRGCs,» says Brown, whose team reports its work today in PLoS Biology.
«They are interesting side - effects
of neural
processes that, in most cases, are extremely efficient at
processing «noisy»
visual information.»
«It is amazing that the brain seems to do the best job
of processing visual information at criticality.»
The UNSW innovation involves an automated
visual field analysis system that uses a pattern
of differently sized spots, which takes into account the fact that the eye
processes visual information away from central vision differently.
«We are exploring this through modelling
information processing in parts
of the insect brain, and we find that often, exceedingly difficult tasks, for example in
visual pattern recognition or floral scent learning, can be solved with extremely simple neural circuits.
«Some
of the brain's connectivity maps is hardwired, possibly dependent on genetically - driven
processes that do not need any external sensory
information for their activation, while other
process might indeed need
visual input to specialize,» Amedi said.
To do this, Garm says, they had to be able to form an image
of the reef, meaning that their simple nerve net must be able to
process visual information.
If the theory substantially reproduces the
visual information processing of the brain, then the DNNs can be expected to represent the human
visual perception
of motion.
«The fact that the brain is able to take advantage
of the few connections that may be remaining, and then
process this complicated
visual, auditory, and perceptual
information, is pretty amazing.
The researchers concluded that TN possessed a rare form
of «blindsight» wherein a brain - damaged person with normal eyes can't
process visual information but can still subconsciously react to it.
«The findings challenge the conventional wisdom about how and where in the brain the
processing of visual orientation
information first occurs,» commented Michael A. Steinmetz, acting director
of the Division
of Extramural Research at the National Eye Institute, which provided funding for the study.
Although your auditory system
processes information about the snap about 30 milliseconds faster than your
visual system, the sight
of your fingers and the sound
of the snap seem simultaneous.
It would be useful, for example, to compare the brains
of social worker bees, which
process vast quantities
of visual information as they fly from flower to flower, with those
of parasitic wasps.
In the course
of his studies, he found out that
visual information for objects that can be gripped, especially their three - dimensional shape and size are mainly
processed in the AIP region.
«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.
But while city streets have become increasingly crowded with distractions, our ability to
process visual information has remained unchanged for millions
of years.
«There is no doubt that
processing of complex
visual information in the cerebral cortex is what enables uniquely human behaviours,» says Martin.
Scientists began building neural networks in the 1970s in hopes
of mimicking the brain's ability to
process visual information, recognize speech, and understand language.
The brain, for its part,
processes this
visual and somatosensory
information to form an image
of the body and «files» it in the cerebral cortex.
Humans have developed an amazingly complex
visual processing system that allows us to collect and
process a tremendous amount
of information — in the blink
of an eye!
To guide us through space in a goal directed manner, the human brain has to
process a flood
of information, ranging from
visual stimuli to cues provided by the muscular system and our sense
of balance.
It has been noted that NMDAR antagonists would not be good candidates for neuroprotection because
of the need to maintain retinal function for normal
visual information processing.
March 6, 2013 One region, two functions: Brain cells» multitasking may be a key to understanding overall brain function A region
of the brain known to play a key role in
visual and spatial
processing has a parallel function: sorting
visual information into categories, according to a new study by researchers at the University
of Chicago.
«In fact, the particular regions and connections we found support an emerging body
of neuroscience evidence indicating that intelligence depends on the brain's ability to integrate
information from verbal,
visual, spatial and executive
processes,» he said.
The pattern
of RGC loss in patients as well as
information obtained from laboratory research all point to the fact that an important site
of pathology occurs at the optic nerve head, a region where the axonal cell
processes of RGCs exit the eye on their way to the
visual centers
of the brain.