How the brain remembers right place, right time: Studies could lead to new ways to enha... - 0 views
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how the brain encodes time and place into memories.
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how the brain encodes time and place into memories.
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What the team found was exciting: Not only did they identify a robust population of time cells, but the firing of these cells predicted how well individuals were able to link words together in time (a phenomenon called temporal clustering). Finally, these cells appear to exhibit phase precession in humans, as predicted.
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hippocampus,
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Electrodes implanted in these patients' brains help their surgeons precisely identify the seizure foci and also provide valuable information on the brain's inner workings, Lega says.
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new treatments to combat memory loss from conditions such as traumatic brain injury or Alzheimer's disease.
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In addition, while rats are actively exploring an environment, place cells are further organized into "mini-sequences" that represent a virtual sweep of locations ahead of the rat. These radar-like sweeps happen roughly 8-10 times per second and are thought to be a brain mechanism for predicting immediately upcoming events or outcomes.
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it was unclear how the hippocampus was able to produce such sequences.
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hocolate milk
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However, taking a closer look at the data, the researchers found something new: As the rats moved through these spaces, their neurons not only exhibited forward, predictive mini-sequences, but also backward, retrospective mini-sequences. The forward and backward sequences alternated with each other, each taking only a few dozen milliseconds to complete.
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"In the past few decades, there's been an explosion in new findings about memory,"