Tag: "neurons" at medical news
Carnegie Mellon receives NIMH/NSF grant to examine mechanisms that underlie neuronal synchronization
...to elucidate how cellular and molecular changes in neurons
lead to their synchronized firing. Ultimately, thi...scribed stochastic synchrony, a mechanism by which neurons
are synchronized by random, 'noisy' inputs," Urban said. "We are now investigating which properties ...
More than just pretty faces for this brain region, says Stanford researcher
...n and discovered that this particular patchwork of neurons
does much more: It also responds to such objects a...ptures. Current face perception theories suggest neurons
in a portion of the brain called the fusiform gyrus light up in response to a face, leading research...
A novel mechanism of manganese-induced neurological dysfunction discovered
... manganese exposure. The study found that dopamine neurons
in the brain of animals exposed to manganese do no...of a dysfunctional dopamine system even though the neurons
do not show the damage present with Parkinson's disease. Dopamine is a key neurotransmitter necessar...
Speedsters' traffic fines fund new research on spinal cord injury
...ol cells use to do many things, including stopping neurons
from growing. The team will use Sheu's system to l...of a substance known as ATP that continues to kill neurons
for hours after the injury. The new grant enables her team to continue its work exploring ways to le...
Nanowire arrays can detect signals along individual neurons
...olleagues report on this marriage of nanowires and neurons
this week in the journal Science. "We describe t...nderstanding signal propagation through individual neurons
and neuronal networks, but existing technologies are relatively crude: Micropipette electrodes poked...
Survivors of childhood polio do well decades later as they age
...rd; bulbar polio, in which the virus attacks motor neurons
in the brainstem; and bulbospinal polio, a combina...lio. The researchers measured strength and loss of neurons
at the beginning of this period, and then again five and 15 years later with electrophysiological te...
Childhood sleep apnea linked to brain damage, lower IQ
...s a very strong association between changes in the neurons
of the hippocampus and the right frontal cortex and IQ and other cognitive functions in which children with OSA score poorly," Halbower says. Children with OSA had lower mean IQ test scores (85) than children without OSA (101). Children with OSA a...
Mapping the neural landscape of hunger
...hey have mapped the activity of whole ensembles of neurons
in multiple feeding-related brain areas across a f...en the way to understanding how these ensembles of neurons
integrate to form a sort of distributed "code" that governs the motivation that drives organisms to ...
Location, location, location!
...there?" By discovering that particular rat brain neurons
combine or "integrate" dissimilar pieces of inform...nd, the study represents the first time that brain neurons
have been shown to integrate spatial and reward information. Its results contrast with a previous "p...
Boosting key protein in brain could improve seizure treatment, Stanford study finds
...ork by binding to various channels or receptors on neurons
throughout the brain, thereby directly slowing the... epilepsy is effective because seizures occur when neurons
are overstimulated and begin firing too rapidly and in unison, sending pulsing barrages of signals c...
Study identifies potential drug target for Huntington's disease
...e current study. "It has recently been shown that neurons
from patients with Huntington's appear to be energy-deficient, so we hypothesized that modest stresses that would be tolerated by healthy cells could send HD cells below a viable energy threshold and that blocking PARP1 activation could be protective...
Penn researchers examine the effects of meditation on early cognitive impairment
...he dementia process causes a decreased function of neurons
in the brain and can result in problems with memory, visual-spatial tasks, and handling emotional issues. As it worsens in a patient, it can also eventually lead to the need for round-the-clock care. In this study, investigators want to look at the...
MIT researchers watch brain in action
...the first time, scientists have been able to watch neurons
within the brain of a living animal change in resp...tly visualize the molecular activity of individual neurons
in the brain of live animals at a single-cell resolution, and to observe the changes in the activity...
Promising therapy for ALS delivers antisense drug directly to nervous system
... ALS is a progressive disease that attacks motor neurons
that reach from the brain to the spinal cord and f...ling of spinal cord "motor neurons" occurs. Motor neurons
are long and complex nerve cells that control voluntary movement. Degeneration of motor neurons
The brain, traffic and nano-circuits -- e-Science takes on major challenges
...hniques to unravel the processes within individual neurons
(brain or nerve cells) or the interactions between networks of neurons
that lead to thoughts and behaviour. The techniques are time-consuming, difficult and expensive, but...
Variations in detoxifying genes linked to Lou Gehrig's disease
... a complex neurodegenerative disorder of the motor neurons
that results in muscle weakness, difficulty speaking, swallowing and breathing and eventual total paralysis and death generally within five years. In 1993 Siddique and collaborators determined that mutations in a gene known as SOD1 account for 20 p...
Cancer-causing protein may heal damaged spinal cord and brain cells
...lays a surprising role in restoring the ability of neurons
to regenerate, making it an important target for a...s to stimulate growth of axons - the structures on neurons
responsible for transmitting electrical signals in the brain and spinal cord. But to do that they n...
How to build a better brain
...r a second language, he explained, starts with the neurons
that are shaped by positive interactions with nurt...nge the types of connections that are made between neurons
in the brain. Those brain connections last throughout the life of the animal and result in adults wi...
Device effective in zapping the pain out of migraines
... person's head, creates an electric current in the neurons
of the brain, interrupting the aura before it results in a throbbing headache. "The device's pulses are painless. The patients have felt a little pressure, but that's all," said Mohammad, who is principal investigator of the study at Ohio State . "...
A neural mosaic of tones
... sound frequencies best activate certain groups of neurons
in the auditory cortex. Scientists have used electrophysiological and anatomical studies to determine which areas of the brain are responsible for certain frequencies - but mainly in animals, like those of the macaque monkey. These kinds of studies a...
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