Sentences with phrase «brain circuits which»

In fact, he has been able to identify 7 different brain circuits which correspond with discrete emotional responses.
The research interpretation of the fMRI and cognitive tests is that the ongoing evaluation and selection process in bilingual children exercises brain circuits which regulate attention control and block distraction.
Most of his work focuses on the pharmacologic manipulation of mammalian brain circuits which use the most abundant inhibitory neurotransmitter in the central nervous system gamma - aminobutyric acid (GABA) as their chief signaling molecule.
Denis Jabaudon concludes: «Our results allow us to better understand how the brain circuits which build our representation of the world assemble during development.

Not exact matches

This can be blamed on the male brain's temporal - parietal junction, which activates what Goman calls men's «analyze - and - fix - it circuits
The Secret Life of the Grown - Up Brain: The Surprising Talents of the Middle - Aged Mind (Viking) is a roundup of the most recent science on how the human brain ages, as well as a guide to «toning up your brain circuits» to better weather the onset of age — which is itself a relatively new problem for humankind, writes author Barbara Strauch, The New York Times «s deputy science and health and medical science editor, whose earlier book, The Primal Teen, considered the teenage bBrain: The Surprising Talents of the Middle - Aged Mind (Viking) is a roundup of the most recent science on how the human brain ages, as well as a guide to «toning up your brain circuits» to better weather the onset of age — which is itself a relatively new problem for humankind, writes author Barbara Strauch, The New York Times «s deputy science and health and medical science editor, whose earlier book, The Primal Teen, considered the teenage bbrain ages, as well as a guide to «toning up your brain circuits» to better weather the onset of age — which is itself a relatively new problem for humankind, writes author Barbara Strauch, The New York Times «s deputy science and health and medical science editor, whose earlier book, The Primal Teen, considered the teenage bbrain circuits» to better weather the onset of age — which is itself a relatively new problem for humankind, writes author Barbara Strauch, The New York Times «s deputy science and health and medical science editor, whose earlier book, The Primal Teen, considered the teenage brainbrain.
Hearing my babytalk also encourages me to talk more, which in turn stimulates baby «sneural dendrites and circuits in the brain and causes the lefthemisphere's language centers to grow.
«It's a period in human development in which brain circuits change and reorganize and. . .
«We think these molecules are important for limiting connections,» she adds, noting that if synapses are too malleable they can set off a host of problems, ranging from shaky brain circuits to seizures, which are caused by excessive neuronal firing.
In the fathers, a surge of prolactin helped the neurons form a permanent circuit in the brain, which integrated a pup's scent into the father's long - term memory.
Recent studies have demonstrated that falling in love — or the love a mother has for an infant, which is so powerful — is driven by these reward processes, and it actually engages the same [brain] circuit that gives priority of that behavior over anything else, just like in addiction.
His says his team has identified a brain circuit that extends lifespan when activated and which is also linked to the olfactory system.
Such results also explain why it is so important to be able to equip congenitally - deaf children during their first few months, i.e. before the onset of the reorganisation of the visual and auditory brain circuits, a process which may compromise their ability to access orality.
In drug addiction — my field — rodents will self - administer and addict themselves to the same drugs that humans self - administer and addict themselves to, which makes it possible to identify the neural circuits in the brain, and the molecular changes within those circuits caused by drug exposure, that underlie states of addiction.
Knowing how these cells mature during development might lead to a better grasp of just how to replicate that process in the adult brain, which could eventually pave the way to strategies that rejuvenate aging circuits, Donato said.
The researchers performed further experiments in the mice to look for differences in the affected brain cells and the circuits in which they were connected.
The brain circuits used by such «super-readers», and which are situated in the right hemisphere, are organised differently and thus cochlear implants give poor results.
By using tracer chemicals in experiments with live garden warblers, the researchers followed a circuit of neurons from the cryptochrome molecules to the «cluster N» area of the brain, which is active during navigation, showing for the first time that cluster N uses information from the retina.
Even more surprisingly, the researchers observed that areas of the brain, the globus pallidus and the substantia nigra, which participate in the reward circuit (activated when we love something), were more involved in people who do not like cheese than in those who do.
Ultimately, these neurons form a circuit between the brain and the target tissue through which chemical and electrical signals are relayed.
He plans to continue using optogenetics to pin down circuits of brain cells responsible for disease and to combine that knowledge with the colorful circuit images to home in on which wires need to go where to establish normal communication.
They narrowed the circuit down even further by determining which neurons in these brain regions both expressed dati and were cholinergic.
We were surprised how quickly we saw differences in the ability of mice from each group to learn how to run on complex wheel, which shows just how fast the brain can respond to wrap newly - activated circuits in myelin and how this improves learning.
They found that the hate circuitwhich consists of the superior frontal gyrus, insula and putamen of the brain — was decoupled in depressed patients.
Rushworth is now mapping the circuit using diffusion - weighted MRI, which tracks the movement of water through the brain, to find out which areas the DPFC is linked to.
The comparison is approximate: all we can say for certain is that by around 12 weeks, the fetus has peripheral circuits which enable it to perform reflex actions without any involvement from the brain.
The experiment, Dulac adds, implies that the neuronal circuits for «male» behavior exist in the brains of female mice and that the animals» VNO, by sensing pheromones, controls which sexual behavior repertoire is expressed.
Optogenetics also may provide an improved understanding of Parkinson's disease, which involves haywire processing in certain motor - control circuits in the brain.
«We wanted to understand the mechanism by which the brain circuit operates,» explained senior author Assistant Professor Shawn Je, from the Neuroscience and Behavioural Disorders Programme at Duke - NUS.
In order to modulate the functioning of fronto - striatal circuits, the researchers from the lab of Robert Zatorre used a non-invasive brain stimulation technique, transcranial magnetic stimulation (TMS), which uses magnetic pulses to either stimulate or inhibit selected parts of the brain.
Dr. Britt obtained these results using optogenetics, which use light - responsive proteins to study the activation of neural circuits in distinct locations, allowing the researcher to precisely dissect the roles of different neural circuits in the brain.
But some neuroscientists favor a «labeled - line» theory, in which itch signals have their own neural circuits — or lines — to the brain.
Just as computers use programming languages such as Java, the brain seems to have its own operating languages — a bewildering set of codes hidden in the rates and timing with which neurons fire as well as the rhythmic electrical activities that oscillate through brain circuits.
Witten and her research team performed optogenetic experiments with the mice to isolate precisely which circuits of the brain are involved in social - spatial learning.
Researchers at MIT's Computer Science and Artificial Intelligence Laboratory have developed a new computational model of a neural circuit in the brain, which could shed light on the biological role of inhibitory neurons — neurons that keep other neurons from firing.
These findings, which will be published online Aug. 18 in Proceedings of the National Academy of Sciences, could help identify important brain circuits involved in stroke recovery and usher in new clinical therapies for stroke, including the placement of electrical brain - stimulating devices similar to those used for treating Parkinson's disease, chronic pain and epilepsy.
When humans are torn between paying attention to two different things, it triggers a «conflict» circuit in a brain region called the dorsal anterior cingulate cortex (dACC) which is part of a larger brain structure controlling rational thought and emotions.
Monkeys typically find other monkeys impossible to ignore, and this experiment was no exception: the monkeys often failed at the reward task because they looked at the faces, especially if the faces depicted emotion.When humans are torn between paying attention to two different things, it triggers a «conflict» circuit in a brain region called the dorsal anterior cingulate cortex (dACC) which is part of a larger brain structure controlling rational thought and emotions.Using a tiny sensor implanted in the dACCs of the monkeys, Platt's group was able to measure the electrical activity of single neurons.
«We're finding out that this brain region — the subiculum — varies in every spatial scale on which the nervous system operates — from molecules to cells to circuits.
It was really a startlingly novel idea that you could make a connection between circuits in the brain and the way in which the mind operated.
At Weizmann, Dr. Spiegel will be establishing his own independent research group which will attempt to identify the molecular and cellular mechanisms through which experience alters the structure and function of neural circuits in the brain in behaviorally relevant ways and to understand how these processes, when they go awry, might give rise to psychiatric disorders.
Right now we can record from about 100 different electrodes at a time, which is enough to get a sense of what one part of one brain area is doing, but not to study a circuit as a whole.
In recent decades a rapid expansion in knowledge has occurred about the brain circuits that process and regulate emotional behavior, and in which abnormalities of neural function and structure associate with mood disorders.
Over hundreds of years, scientists have learned much about the brain, including the countless methods through which information is transferred from neuron to neuron at a junction called a synapse, and how hundreds — even thousands — of neurons can function together to form a larger circuit responsible for any given activity.
Describing the brain as a big circuit board in which each new experience creates a new circuit, Hopkins neuroscience professor Richard Huganir, Ph.D. says that he and his team found that during emotional peaks, the hormone norepinephrine dramatically sensitizes synapses - the site where nerve cells make an electro - chemical connection - to enhance the sculpting of a memory into the big board.
Alexei Koulakov and colleagues are trying to determine the mathematical rules by which the brain assembles itself, with particular focus on the formation of sensory circuits such as those involved in visual perception and olfaction.
We know a great deal about the genomic mechanisms through which androgens and estrogens influence behavior; by turning genes on and off and thus affecting levels of proteins in cells, they slowly sculpt the brain circuits and peripheral structures required to produce social output.
The circuit in your robot will control two vibrating motors, which is like how an insect's brain controls its muscles.
Feng's group is focusing first on conditions with the strongest human genetic data, such as Huntington's disease, in which a single gene causes a disorder, and using advanced neuroimaging technology and other tools to understand how the mutation causes brain circuits to misfire.
At this stage, the female brain actually becomes more stable with lower steady estrogen and oxytocin which translates into less emotion and more calm with brain circuits less reactive to stress.
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