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Researchers at Princeton found that brain cells known to be involved in making maps of the external environment, collectively known as the brain's "GPS," are also active in representing other tasks involved in memory and cognition. The researchers found that the neurons fired in sequence in accordance with the rats' activities as they listened to sounds and pressed levers to get rewards when the tone achieved a predetermined frequency. Above, the left diagram shows the neural activity (orange) in a group of neurons over a period of several seconds as the rats pressed and released the levers in response to the sounds they heard. The diagram on the right shows that individual cells (labeled 1 through 9) fire in sequence to represent the press and release of the lever. (David Tank, Princeton University)
Science

How important is the ‘GPS’ in your brain?

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Wash. school dist. settles racial discrimination suit
Name That Verdict

Wash. school dist. settles racial discrimination suit

Paul Katula -
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Peers or teachers: Who inspires kids more?
Psychology

Peers or teachers: Who inspires kids more?

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Is Trump at war with science?
Economics

Is Trump at war with science?

Paul Katula -
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Algebra 1 PARCC: home price stats
Math

Algebra 1 PARCC: home price stats

Paul Katula -
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To manage an ecosystem, look at predators & prey
Science

To manage an ecosystem, look at predators & prey

Paul Katula -
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Not being afraid of being wrong helps you be right
Psychology

Not being afraid of being wrong helps you be right

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Math models can predict dropout rates
Math

Math models can predict dropout rates

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Fracking could be banned in Maryland
Engineering

Fracking could be banned in Maryland

Paul Katula -
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Video games may help self-regard in some students
Technology

Video games may help self-regard in some students

Press Release -
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