Sentences with phrase «brain network function»

There is a gap in our knowledge about brain network function because we lack the tools to study large numbers of neurons spread over large regions of the brain.

Not exact matches

Today's AI systems do their best to emulate the functioning of the human brain's neural networks, but they do this in a very limited way.
However, in brains at rest in people with aphasia, networks involved in hearing, motor processing, attention and executive functions were not as strongly connected as the same networks in the control group.
Brain function is made up of complex neural networks.
Seeking additional insight into similar mechanisms at work in other centers of the brain, Donato and his team discovered that the signal to develop one area known to be involved in more abstract functions, including memory and navigation, originated from deep within the brain, in a specific population of neurons that kicks off the maturation of an entire neural network.
In an era of increasing excitement about mapping the brain's «connectome,» this finding fits with our growing understanding of complex brain functions as residing not in discrete brain regions, but in densely connected networks of neurons spread throughout different parts of the brain.
More specifically, the team found that a diet lacking ample omega - 3 decreased the function of presynaptic cannabinoid receptors, part of the brain's signaling network that is thought to be involved in pain and appetite regulation.
«Regulator of chromosome structure crucial to healthy brain function and nerve development: Cohesin protein identified as key to control of chromosome structure underlying nerve cell network formation.»
«We know that the brain does not function as a set of independent areas, but as a network of specialized areas that collaborate.»
A team of UCLA scientists has found that brain areas linked to social behaviors are both underdeveloped and insufficiently networked in youths with high functioning autism spectrum disorder (ASD) compared to study participants without ASD.
The artificial neural networks serve as «mini-brains that can be studied, changed, evaluated, compared against responses given by human neural networks, so the cognitive neuroscientists have some sort of sketch of how a real brain may function
So that scientists around the world may continue to look for fundamental structural insights, the full, interactive imaging dataset is viewable at Mouse Connectome Project, providing a resource for researchers interested in studying the anatomy and function of cortical networks throughout the brain.
«A critical aim of the President's BRAIN Initiative is to move neuroscience into a new realm where we can identify and track functioning neural networks non-invasively,» explains Guoying Liu, Ph.D., Director of the NIBIB program in Magnetic Resonance Imaging.
The study indicates that brain networks supporting basic psychological functions such as attention do not communicate appropriately in young individuals at genetic risk for illnesses such as schizophrenia or bipolar disorder.
The study supports the importance of the serotonin which is specified and maintained by a specific gene, the Pet - 1 gene — for normal functioning of the neurons, synapses and networks in the cortex, as well as proper development of brain circuitry.
Their findings: activity dropped in the prefrontal cortex — which is implicated in planning as well as in the organization of functions performed by other brain regions — but it jumped in a cluster of brain regions implicated in daydreaming known as the «default mode network
This study is really the first of its kind and provides a big step forwards in our understanding of how training can alter the functioning of brain networks.
Finally, the study provides an example of a highly integrative approach to understanding brain function at multiple scales, «linking genes and gene networks to the properties of single neurons and populations of neuron subtypes, all the way up to the level of animal behaviors,» said Okaty.
«Sensory function: Thalamus enhances, stores sensory information: Important brain network for processing sensory perceptions elucidated.»
All brain functions depend on proper connections within specific networks of neurons.
The study, just published in the Proceedings of the National Academy of Sciences, found heightened neural activity in the brain's connector hubs during complex tasks, such as puzzles and video games, while networks dedicated to specific functions did not need to put in extra work.
Although the neural networks that seem to be affected in Tourette's and OCD are distinct, they nonetheless involve brain regions with similar functions — in particular, motor activity and decision making.
Since the brain network is formed by genetics and experiences, it is possible to predict one's age, personality, or performance in cognitive functions from functional connectivity patterns in their brain network.
During sleep, a newly discovered network of water channels in the brain, called the glymphatic system, becomes active and functions as a waste disposal system, carrying toxins away which would otherwise accumulate and damage brain cells.
Neural networks function, as their name suggests, based on the same principle as the brain.
«Manipulating brain network to change cognitive functions: New breakthrough in neuroscience: Functional connectivity can be changed in both directions.»
But what is it about the structure and function of each and every neuron, and the way they network together, that give rise to these electrical signals measured in a mammalian brain?
«But we are finding that the effort is absolutely worthwhile and that we are learning a tremendous amount about the structure of networks in the brain, and ultimately how the brain's structure is linked to its function
One of the many big puzzles left in neurology is working out which parts of the brain are connected — and how the networks function.
We aim to identify molecular, circuit, and network mechanisms of cognitive dysfunction and to develop novel therapeutic approaches to restore brain functions in AD and related disorders.
This design leads to the consequence that disease in one part of the brain will inevitably affect the function of the others and that many of the effects of the disease can be partly compensated for by the network.
As described in the main text, ordered logistic regression analyses were carried out for each brain region in which social network distances were modeled as a function of local neural response similarities and dyadic dissimilarities in control variables (gender, ethnicity, nationality, age, and handedness).
Drawing inspiration from how mammalian brains process sight, researchers have found a way to mimic the functions of biological neural networks on a next - gen «memristor» chip.
Our current goal is to manipulate the activity of neurons in a specific node of this network, the prefrontal cortex, to test specific hypotheses regarding the role of this brain area in these two basic functions.
This network is now the focus of work on brain function in health and disease worldwide, and it has been hypothesised to be relevant to disorders including Alzheimer's disease, autism, and schizophrenia.
When compared to the control group, type 2 patients showed decreased integrity in the white matter of two different areas in the brain — the cingulum bundle, which is a fiber tract that connects regions in the default - mode network, and the uncinate fasciculus, which connects regions important for executive function and memory.
Sforazzini F, Berterto A, Dodero L, David G, Galbusera A, Scattoni ML, Pasqualetti M, Gozzi A * Altered functional connectivity networks in acallosal and socially - impaired BTBR mice (2014) Brain Structure & Function, In press 2.
A broad range of engineering and environmental applications, where sensitive, miniature, and intelligent systems can fulfill functions currently impossible with existing devices, or where brain - based design can enhance the capabilities of computer chips, architectures, networks, and robotics.
Ultimately, new insight into the function of the fly brain can also be applied to the network of cells in the mammalian brain.
«These initial results should be treated as a resource not only for decoding how this network guides the vast array of very distinct brain functions, but also how dysfunctions in different parts of this network can lead to different neurological conditions,» said Dr. Callaway.
1/28/2008 Researchers Map Signaling Networks that Control Neuron Function Relationship between Thousands of Proteins at Work in the Brain Could Impact Diseases such as Alzheimer's, Parkinson's Disease, and Spinal Cord Injury In the first large - scale proteomics study of its kind, researchers at the University of California... More...
As we grow up, our brain's specialized networks become more structurally segregated, contributing to improved executive functioning.
Healthy activity in neuronal networks is critical for essential brain functions such as memory.
Higher brain functions emerge at the scale of networks of neurons; brain disorders such as dementia, epilepsy or schizophrenia appear to result when networks fail to operate correctly.
By inserting these proteins into the living brain, we can study and perturb different elements of neural circuits, giving us a picture of how individual components function within the complex network.
The functioning of a healthy brain relies on its network of neuronal connections.
All brain functions are performed by interconnected networks of excitatory and inhibitory nerve cells.
Examination of the degree to which these networks subsume dissociable brain substrates, and of the degree to which they overlap, provides insight concerning their purpose, function, and the nature of their associations.
During development, the healthy human brain constructs a host of large - scale, distributed, function - critical neural networks.
This network is now the focus of work on brain function in health and disease worldwide, and it has been hypothesized to be relevant to disorders including Alzheimer's disease, autism, and schizophrenia.
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