Sentences with phrase «place cells»

The researchers measured the activity of place cells in the brains of rats during three different experimental conditions.

Imagine hundreds of place cells, covering all locations of accessible space.

A possible solution could be to place the cell phone on a «speaker» setting.

A specific location will activate a set of neurons called place cells to represent the particular place.

When cells were active on slow gamma waves, place cells represented locations in the direction that the rat was heading.

Place cells store information about things that don't move (like your home).

Unlike other memory storage in the brain, place cells never run out of capacity.

Place cells codes represent upcoming locations at some times and reflect recently visited locations at other times.

The researchers were able to identify place cells that fired at different spots all along the way.

But placing cells under a standard fluorescent microscope essentially sentences them to death.

Your machine will have the most contemporary running intention with the most unprecedented aspects that would possibly perhaps place your cell extra user - favorable.

They found that place cells represented the rat's current location when cells were active on fast gamma waves.

• Hippocampal Place Cell Activity in Huntington's Disease Transgenic Mice The Journal of Neuroscience • Centennial Celebration of Automation Role of Planar Cell Polarity Signaling in the Control of Learning and Memory

With maps of place cell activations in hand, the researchers were able to cross - reference each participant's spatial memories as they accessed their episodic memories of the delivered items.

As expected, the animals» place cells fired along the way as they were running the maze.

Hippocampal place cells encode the animal's spatial position.

Based on recordings made while the mice wandered, researchers knew which place cell lit up in each location.

Under O'Keefe's cognitive - map interpretation of place cell activity, a cell that was active when the rat was at the intersection of the detour and the straight path would fire in the same way regardless of whether the straight path was blocked or not.

Close to the postrhinal - entorhinal border, entorhinal neurons had stable and discrete multipeaked place fields, predicting the rat's location as accurately as place cells in the hippocampus.

Such precise timing may be key to how place cells encode location.

The explosion was reportedly triggered by the Hasidic Jews placing cell phones in the fire as a symbolic rejection of the secular world.

But researchers have long theorised that activity occurring within place cells, which isn't detected by this type of brain implant, is also key to map - making.

Next the team placed the cells in a Petri dish half filled with a gel and covered it with a magnetic lid.

The findings by Bieri and colleagues show that place cells predict upcoming locations during periods of slow gamma rhythms and encode recently visited locations during periods of fast gamma rhythms.

We report that exposure to novel square and circular environments made of different materials creates attractor representations for both shapes: Place cells abruptly and simultaneously switch between representations as environmental shape changes incrementally.

For example, the hippocampal place cell representation of location was previously found to respond continuously to changes in environmental shape alone.

Still mysterious, however, is how grid and place cells obtain the information that every GPS system requires: the angle and speed of an object's movement relative to a known starting point, says Edvard Moser, co-author of the new study along with May - Britt Moser, his spouse and collaborator.

Electrical recordings of signals transmitted from the hippocampus suggested that the animals had developed place cells — cells that are believed to convey a sense of location — and that these cells were firing when an animal passed through a familiar place.

«We can reconstruct the paths of the pair of rats and reliably decode the location of the self or the other from the activity of these joint place cells.»

During this sleep, the rats» place cells often repeated the exact same pattern of activity that was seen when the animals ran.

Whereas place cells in a rat brain may change their firing rates if their environment is altered even a little — for example by changing the colour of the walls — those of grid cells remain robustly unchanged.

In the lab, they adapted the standard experimental technique for studying place cells: implanting electrodes directly into a rat's hippocampus and recording from them as the animal runs freely in a large box (see «A sense of place»).

More than a decade ago microelectrode studies of rats and monkeys revealed place cells that respond when the animals move to a particular spot in a maze.

They then placed the cells into culture conditions containing certain cytokines, and instead of differentiating into B - cells, the cells continued to divide as stem cells.

The researchers placed the cells on growth plates in a specially designed medium; after nine days, analysis showed that they contained a biochemical marker of maturing liver cells, called hepatocytes.

This work showed that place cells allow the detection of new environments and also changes in familiar environments, in essence forming a map of the surrounding environment within an animal's brain, termed a cognitive map.

The technique essentially involves placing the cells in the top chamber of a two - chamber container with a concentration of chemokines like SDF - 1α in the bottom chamber and a small hole in between.

The discovery of place cells suggests that the hippocampus functions as a cognitive map, enabling animals and humans to establish their space and navigate in the environment.

Observe that most of the centrally placed cells superpose very well.

Due to their well - documented antioxidant and anti-inflammatory properties, flavonoids would be expected to lower risk of certain cancers since chronic oxidative stress and chronic unwanted inflammation can place cells at greater risk of becoming cancerous.

For this reason, I purposely placed my cell phone in our hotel's room safe upon arrival for the entire 5 days of this... Continue Reading →

AT&T Inc. needs to boost its cell signal and has approached the Park City School District with a proposal to place cell towers on the Eccles auditorium.

Mini sets the ports for iPod integration at the front of the center rail, with a cable trailing back to the inconveniently placed cell phone holder.

To the left of the main display there is a small drawer, into which drivers place their cell phone's SIM card (GSM only).

The man placed his cell phone behind some toiletries at the back of the shower rack and set it to video - recording mode

In the 1970s, O'Keefe had discovered neurons called place cells in the hippocampi of rats.

As participants passed by a particular store, the researchers correlated their spatial memory of that location with the pattern of place cell activation recorded.

Direction cells fire when an animal is facing a particular direction, place cells fire only in a specific location, and grid cells fire at regular intervals as an animal moves around.