Caspi and Moffitt built on earlier research focusing on a variation in a gene called the serotonin transporter, which normally helps information flow
between nerve cells in the brain.
Three US - based scientists - Thomas Südhof, of Stanford University School of Medicine, Richard Scheller, of the biotech company Genentech, and James Rothman, of Yale University - are the joint recipients of the neuroscience prize for their work to reveal the precise molecular basis of the transfer of signals
between nerve cells in the brain.
Mice exposed to low - dosage of cannabis have more links
between nerve cells in the brain, compared to those who were not exposed.
The drug restored in the mice normal levels of serotonin, a neurotransmitter communicating messages
between nerve cells in the brain.
New research provides an intriguing glimpse into the processes that establish connections
between nerve cells in the brain.
While most researchers use Brainbow to visualize connections
between nerve cells in the brain, Alain Chédotal of the Institut de la Vision in
Caveat: To date, this strategy has only been able to allow better communication
between nerve cells in the spinal cord, but there is no evidence of improved communication between those neurons and the brain.
Variants of a protein that helps snip connections
between nerve cells in the brain may contribute to the disorder, scientists report January 27 in Nature.
Certain changes in synapses — the junctions
between nerve cells in the brain — have been linked with brain disorders.
The traditional view is that learning is based on the strengthening or weakening of the contacts
between the nerve cells in the brain.
Scientists have discovered why a single mutated protein can lead to serious mental retardation in men with a common genetic disorder called fragile - X syndrome: The healthy protein is essential for establishing during childhood the adult pattern of connections
between nerve cells in the brain.
- Speeds myelination *
between the nerve cells in the stomach and the brain.
The consumed caffeine caused dopamine, a carrier of messages
between nerve cells in the brain, to flood the brain's pleasure center resulting in decreased pain sensitivity, a huge benefit for chronic pain suffers.
Lately I've begun to thank God for it, this chemical that — if scientists are right, and they aren't even sure — inhibits my overly efficient reuptake of another chemical (serotonin) that somehow facilitates communication
between nerve cells in my brain.
Not exact matches
Their brains differed
in the activity of over a hundred genes that provide
cells with energy, influence chemical communications
in the brain and strengthen the connection
between nerve cells.
Further study revealed that these so - called immune proteins are actually present on the surface of certain
nerve cells, but that they functioned differently
in the brain than they did
in the rest of the body; rather than scouting for germs, they influenced signals sent
between neurons.
This type of inflammation
between 18 and 32 weeks of gestation
in humans has been linked to preterm birth as well as an imbalance of immune
cells in the brain of the offspring and even death of
nerve cells in the brains of those children.
This showed leukocytes crossing
between the blood -
nerve barrier endothelial
cells without gaps
in the barrier or change
in how the barrier is structured.
Researchers are looking for taste bud
cells that might involved
in turning off our desire, but also considering, Chandrashekar says, the possibility that once saltwater reaches a certain concentration, it leaks
between the taste bud
cells and makes its way down to the
nerve directly.
He showed that short - term memory involves increased levels of neurotransmitters at the synapses, the communication sites
between nerve cells and long - term memory requires changes
in the levels of proteins
in the synapse.
The image, a mysterious, gray blob surrounding a spot of intense red, was based on an electron - microscope photo of a neuromuscular junction (the connection
between a
nerve cell and a muscle) clipped from a magazine sometime
in the 1980s.
Using fluorescent antibodies designed specifically to light up the receptor
in mice, the investigators observed it on vagus
nerves, which serve as a main biochemical connection
between airway
cells and the brain.
Lots of synapses communicating
between different
nerve cells form networks and LTP intensifies the connectivity of the
cells in the network to make information transfer more efficient.
They collect outside the
nerve cells in the brain and disrupt the signaling system
between neurons, blocking them from relaying messages.
Levels of dopamine — a neurotransmitter involved
in signalling
between nerve cells and which is implicated
in drug addiction — showed differences
in the more impulsive gamblers.
But this study hints that the rest periods
between bouts of dieting, not the time spent cutting calories, may play an important role
in nerve cell growth
in mice, says Mark Mattson, a neuroscientist at the National Institute on Aging
in Baltimore, Md., who wasn't involved
in the study.
Based on previous studies, researchers have hypothesized that recreational noise exposure might damage the circuitry
between sensory hair
cells in the inner ear and their auditory
nerve targets that deliver information to the brain.
Nerve signals control the communication
between the billions of
cells in an organism and enable them to work together
in neural networks.
In trying to understand the brain, for instance, neuroscientists have focused on synapses — the junctions
between nerve -
cell endings — as the essential transmitters of thought and feeling.
Between birth and a child's first birthday, her brain nearly triples
in size as torrents of newborn
nerve cells create neural pathways.
a) The Eye
in your Thigh: a patch of skin
cells on the leg that can distinguish
between bright and dark conditions, perhaps to help regulate the body clock b) The Ear
in your Rear:
nerves in the buttocks attuned to infrasound vibrations of
between 10 and 25 hertz, perhaps to warn of approaching predators or thunderstorms c) The Nose
in your Toes: scent - detecting sebaceous glands on the feet whose purpose is unclear d) The Tongue
in your Lung: taste - bud - like receptors that detect bitter substances and dilate or restrict the airways accordingly
Previous research has shown that the drug stimulates
nerve cells in the midbrain to release dopamine into the synapses (connections
between neurons)
in the striatum.
Moser demonstrated a number of changes
in the strength of connections
between nerve cells — a phenomenon called synaptic plasticity —
in the hippocampus as rats stored information
in their long - term memory.
In the 19th century, the pioneering neuroanatomist Santiago Ramón y Cajal theorized that information was processed in our heads each time an electrical impulse traveled across a synapse, the gap between one nerve cell and the nex
In the 19th century, the pioneering neuroanatomist Santiago Ramón y Cajal theorized that information was processed
in our heads each time an electrical impulse traveled across a synapse, the gap between one nerve cell and the nex
in our heads each time an electrical impulse traveled across a synapse, the gap
between one
nerve cell and the next.
Researchers from universities
in the UK and Australia found that that neurotransmitter (a chemical compound that sends impulses
between nerve cells and affects everything from sleep to aggression
in humans) spurs a cascade of Dr. Jekyll - to - Mr.
An arm's or a leg's motor skills fail because, though the
nerve cells in the limb are fine, there's no longer a connection
between them and the brain.
NERVE PROTECTORS The glowing cells in this micrograph of a mouse's optic nerve help shield electrical signals passing between eyes and b
NERVE PROTECTORS The glowing
cells in this micrograph of a mouse's optic
nerve help shield electrical signals passing between eyes and b
nerve help shield electrical signals passing
between eyes and brain.
MG affects the transmission of signals
between the peripheral motoric
nerve cells and muscles, resulting
in muscular fatigue
in the patient,» Dr Harbo explains.
New synapses — communication links
between nerve cells — poke holes
in the nets,
«It appears there is cross-talk
between pathways called calcium channels
in sensory
nerve cells that process the itch signal.»
The injuries crush and sever the long axons of spinal cord
nerve cells, blocking communication
between the brain and the body and resulting
in paralysis below the injury.
«We were able to counter anesthesia - induced deficits
in the formation of connections
between nerve cells and related learning problems,» says Yang.
The results of the current study provide a partial answer to this mystery: it is precisely because of their small brain that is densely packed with
nerve cells that birds are able to reduce the processing time
in tasks that require rapid interaction
between different groups of neurons.
«They play an important role
in the excitation of
nerve cell axons and signal transfer
between various
cells,» says Prof. Dr. Heinz Beck, who conducts research
in experimental epileptology at the Department of Epileptology, at the Life & Brain center and the German Center for Neurodegenerative Diseases (DZNE).
In the current study, the researchers used high - affinity antibodies to «label» the cannabinoid receptors so they could be seen using various microscopy techniques, including electron microscopy, which allowed very detailed visualization at individual synapses, or gaps
between nerve cells.
It may, for example, partly account for the differences
in brain structure and behavior
between identical twins, and could even affect thought processes by subtly influencing the changes
in nerve cell connections that occur with experience.
How that might eventually predispose a person to Alzheimer's is still unclear, but it may involve a receptor molecule for the herpes virus
in the connections
between nerve cells.
In the present study, we have investigated the role of 5 - HT in the communication between taste receptor cells and afferent nerve fiber
In the present study, we have investigated the role of 5 - HT
in the communication between taste receptor cells and afferent nerve fiber
in the communication
between taste receptor
cells and afferent
nerve fibers.
The mutation, which has been found
in people with ADHD, autism and bipolar disorder, affects the function of DAT, a protein that regulates the brain's supply of the neurotransmitter by removing excess dopamine from the synapse, or the space
between nerve cells.
They homed
in on astrocytes, a type of brain
cell that clears the signaling molecule glutamate out of the way after it has performed its job of delivering a message across a synapse
between two
nerve cells.