Sentences with phrase «within brain networks»

The latest work paints a picture of LSD and some other hallucinogens as drugs that can decrease modularity and connectivity within brain networks while enhancing the brain's overall connectivity, explains Frederick Barrett, a cognitive neuroscientist at Johns Hopkins University who has studied hallucinogenic drug effects but was not involved in the research released this week.
The negative association between λ and IQ suggests a strong positive association between the level of global communication efficiency within the brain network and intelligence.

Not exact matches

Adversity, especially in early childhood, has a powerful effect on the development of the intricate stress - response network within each of us that links together the brain, the immune system, and the endocrine system (the glands that produce and release stress hormones, including cortisol).
The programme included arterial spin labelling, an MRI method to measure blood flow within the brain; resting - state MRI, to assess functional connections within and between brain networks; and MEG, a method to detect brain waves.
Governor Ambode also flagged off the commissioning the construction of a network of roads within the boundaries of Lagos and Ogun States, saying that it was in honour of Asiwaju Bola Ahmed Tinubu, whom he described as the brain behind the 21st century Lagos.
Alterations in the brain within the region of the visual recognition network might be related to impaired selective attention and working memory in MDD, Dr. Zhao indicated.
In their research with rhesus macaques, it was found that the three brain areas AIP, F5 and M1 that are responsible for planning and executing hand movements, perform different tasks within their neural network.
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.
The group's work is particularly significant because they showed for the first time how the importance of individual nodes within functional brain networks fluctuates on timescales spanning tens of seconds up to days.
«When different brain regions assume the highest importance within a functional brain network is the key to improving both prediction and control of epileptic seizures,» Lehnertz said.
«Literally within a tenth of a second before you move your eyes, there is this incredible flash of network activity in the front of the brain, and then the eyes move,» Schroeder says.
«New developments in network theory are providing powerful tools to construct so - called «functional networks» from observations of brain activities such as the electroencephalogram (EEG), and helping to identify the important nodes and links within such networks,» Lehnertz said.
The researchers used imaging technology that tracks both brain blood flow — as a measure of energy use — and the organization and strength of connections within intrinsic neural networks.
The researchers then used functional magnetic resonance imaging (fMRI) to scan 21 of the participants» brains while they viewed pairs of short film clips showing classmates of varying status within this social network, telling them all they needed to do was indicate whether the clips in each pair were the same or different, and that this task was unrelated to the first part of the experiment.
Research published today in Nature Human Behavior shows seeing familiar people activates a network of brain regions that appears to encode their position within the social group.
Using algebraic topology in a way that it has never been used before in neuroscience, a team from the Blue Brain Project has uncovered a universe of multi-dimensional geometrical structures and spaces within the networks of the bBrain Project has uncovered a universe of multi-dimensional geometrical structures and spaces within the networks of the brainbrain.
Acting like synapses in the brain, the metal - oxide memristor array was capable of learning and re-learning input patterns in an unsupervised manner within a probabilistic winner - take - all (WTA) network.
The over-activated protein kinase p38 MAPK damages the wiring of the communication network within the brain.
The researchers concluded that in the early stages after stroke, improvements in voluntary movement can be attributed to a reduction in brain swelling because of the trauma and other spontaneous repairs, while later improvements result from «neuronal plasticity» — the reorganization or regeneration of nerve cells within the spinal cord in response to changes in the nerve network.
NIBIB - funded researchers at the University of Washington have pioneered an approach to image functional activity in the brains of individual fetuses, allowing a better look at how functional networks within the brain develop.
All brain functions depend on proper connections within specific networks of neurons.
«We wanted to test the hypothesis that these various stimulation sites are actually different spots within the same brain network,» explains Fox.
Recently, these regions have been reported to form functional hubs within the cortical brain network (Buckner et al., 2009).
Next, the association between brain network organization and individual variation in intelligence was examined by correlating the full - scale IQ scores with the λ and γ values of the individual brain networks within the clear small - world range of 0.3 ≤ T ≤ 0.5.
Normally, neurons start life deep within the developing brain, migrate out to the surface and then make a network of connections with others, but Sandrine Humbert's group showed that those without huntingtin get stuck, never making it to where they need to go.
In trance, brain networks displayed notable reconfigurations, including increased connectivity in regions associated with internal thought (the default mode's posterior cingulate cortex) and cognitive control (dorsal anterior cingulate cortex and insula), as well as decreased connectivity within the brainstem and auditory pathway.
These in - silica brains, or artificial neural networks, are helpful in that various methods to test the neural system within the computer can be rapidly explored and then translated to useful experiments in real, living systems.
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.
These 2 modalities were used to investigate connectivity within the default mode network, a set of brain regions — including medial prefrontal cortex (MPFC), medial temporal lobes (MTLs), and posterior cingulate cortex (PCC) / retropslenial cortex (RSC)-- implicated in episodic memory processing.
Oxytocin and dopamine signalling within connected brain areas of the reward - processing network drive social bonding behaviours but the neural mechanisms have been unclear.
Modularity describes specialized processing within dedicated brain regions, whereas connectivity relates to contemporaneous information flow across large - scale distributed networks.
This intermission allows the brain's chemicals to replenish within the resting network.
Several structures located deep within the brain, such as the hippocampus (responsible for the formation and storage of memories) and the thalamus (involved in the regulation of sensory perception), comprise the limbic system, a complex network that controls our emotional responses, survival instincts, memory creation, and memory retrieval.
«An amalgamation of my experience as a therapist and musician, the purpose of my work is to assist patients / clients in the resolution of their past story that is told as illness, hardwired into the neural networking of the brain and imprinted within the mind, thereby effecting present thought and perception.
Every time we use a brain cell or a particular brain network the connections within that network become stronger, more sensitive, and more efficient through «use - dependent» neural processes.
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