Sentences with phrase «individual neurons»

Now, the team has published a new paper that demonstrates how these proteins can be used as tools to regulate the activity of individual neurons in the brain through changes in temperature.

They do this by looking at the electrical activity of individual neurons in a live mammal brain to build a bigger picture of its function as a whole organ.

Next the researchers showed these images to monkeys while recording the electrical activity from individual neurons in three separate face patches.

The ~ 200 GB of data for each brain was then analyzed with machine learning algorithms that identify individual neurons by type, according to parameters «learned» from human experts.

Looking at individual neurons requires slicing up brains into thin sections.

That balance is important, they say, for understanding how the whole brain can learn to do things based on changes in the connections between individual neurons.

The electrodes allowed them to record the activity of large groups of individual neurons as the animals moved their hands and reached for food.

An artificial neural network consists of «nodes» that, like individual neurons, have limited information - processing power but are densely interconnected.

That allowed researchers to record electrical brain activity from individual neurons while the participants moved or tried to move their fingers and wrists, which were equipped with sensors to record physical movement.

When rats (and humans) become more familiar with a place, individual neurons start becoming active when the rats reach particular spots.

She has now investigated in the mouse model what information individual neurons in the visual cortex receive from other neurons about the wider visual field.

Researchers found that the monkeys had individual neurons tuned to specific sets of facial features.

The team then chose two images for each person that caused firing in different individual neurons.

They have even found individual neurons in the region that fire strongly at both the number 4 and four dots.

And will we one day have tools small enough to manipulate individual neurons — and if so, what might be the impact of this new technology on neuroscience?

This allows scientists to stimulate individual neurons as well as neural networks with precise flashes of light.

A new model of the brain's thought processes explains the apparently chaotic activity patterns of individual neurons.

They showed these images to two monkeys while recording electrical activity from individual neurons in three separate face patches in both animals.

The Brain Activity Map project launched recently by President Obama — and funded to the tune of $ 100 million in the US budget announcement earlier this month — highlights the need for research that focuses both on how individual neurons work and the ways that different regions of the brain work together as a unit.

Ruta's Rockefeller University group of researchers concludes that a single olfactory input can manifest in various behaviors based on individual neurons receiving and passing information to different networks.

Barbour's study involved recording individual neurons.

To go further, the pair started combining their electrode recordings of individual neurons with readings from an intracranial EEG, which measures overall electrical activity in a larger area of the brain.

«The more precisely we can identify individual neurons involved with hand movements, the better the capability these robotic devices will provide.

So far, these arrays have been used to record electrophysiological responses of individual neurons within the hippocampus, a subregion of the brain responsible for memory formation.

Biologists have studied individual neurons for years, and they can listen in on the chatter of neurons in nerves and brains.

Rutishauser added, «Our group is focused on pursuing neurosurgical approaches that allow us to study individual neurons.

Using a one - of - a-kind robotic microscope developed by the Finkbeiner laboratory, the researchers tagged and tracked individual neurons over time to monitor their protein levels and overall health.

Using this technology, the neurobiologists tracked individual neurons over the course of several weeks and analysed them repeatedly.

Markram's model will electronically mirror the real brain's biological behaviors, imitating mathematically the interactions among individual neurons and the effects of neurotransmitters on those cells.

To trace individual neurons, Jeff Lichtman of Harvard uses engineered mice whose DNA includes jellyfish genes so that the cells contain fluorescent proteins.

In 2005, Quiroga discovered individual neurons attuned to particular people in the hippocampus, a part of the brain involved in memory.

Furthermore, the team devised a technique to control the number of neurons labeled — labeling too many neurons makes it impossible to distinguish individual ones — that allows researchers to visualize individual neuron shapes and trace their connecting fibers through intact tissues using another technology the Gradinaru laboratory has helped develop, known as tissue clearing.

Using a technology called VAST, which can automatically label individual neurons, glia, and blood vessels different colors, as well as smaller structures such as dendrites and mitochondria, the researchers analyzed the contents of three cylindrical chunks of brain tissue, each no bigger than grains of salt.

Here, monitoring individual neurons in the dmPFC during such tests revealed that a particular subset became more active during both push and resistance (or dominance) behaviors.

Synapses connect individual neurons in the brain.

Approach: Wu's group used Brainbow, a transgenic technique originally devised to map individual neurons in the brain, to label cells stochastically using gene cassettes that code for four uniquely expressed fluorescent proteins.

We first examined the activity of individual neurons during a mapping task (Figure 1C) to ensure that the neurons we recorded displayed spatially selective activity typical of LIP neurons.

Students in courses routinely record the activity of nerves using a variety of extracellular amplifiers, and they record intracellularly from individual neurons using microelectrodes.

They looked at how Aβ attacks individual neurons in cell culture.

Blue shows individual neurons; brown highlights myelin - coated connective structures and support cells.

The chemical tells individual neurons to fire off a signal or not, influencing other brain signals and pathways, and essentially serves as a traffic cop of motivation, emotion, and social behavior.

«We think that delta wave burst of activity acts like a «go» signal that triggers individual neurons to start ramping their activity to encode the passage of time,» Parker explains.

The brain is consequently in a constant state of reorganisation, yet individual neurons need to be prevented from becoming either too active or too inactive.

This rainbow of colors helps us identify and analyze individual neurons (the core components of the body's nervous system), thus allowing us trace neural circuits.

However, to what extent alternative splicing increases the number of functionally important proteins in individual neurons remains an open question.

But «it's not just individual neurons in a giant clock.

From his experience with ECT, he knows inducing a seizure with electricity resets individual neurons in the brain just like rebooting a computer, so those neurons fire all at once in a different order than before.

«With the ability to follow the same individual neurons in a circuit chronically... there's a whole suite of things this opens up,» Lieber said.

The findings explained a long - disputed issue in the previously held theory of why individual neurons seemed to recognize completely different people.

Jerome Pine, a neurophysicist at the California Institute of Technology in Pasadena, along with a team of electrical engineers and biologists, created a microscopic silicon landscape that confined individual neurons, while allowing them to establish connections: a set of 16 tiny wells, each about 1/40 of a millimeter in diameter, with short tunnels leading to the surface.