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Washington University in St. Louis News & Information > University Groups > Arts & Sciences >
Philosophy - Neuroscience - Psychology
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20,000 neurons keep steady time when working together
WUSTL research finds individual cells isolated from the biological clock can keep daily time, but are unreliable
Sept. 9,
2009 --
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| An isolated nerve cell busy keeping time. |
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Researchers at Washington University in St. Louis have shown that individual cells isolated from the biological clock can keep daily time all by themselves. However, by themselves, they are unreliable. The neurons get out of synch and capriciously quit or start oscillating again. The biological clock, a one-square millimeter area of the brain just above the roof of the mouth and atop the crossing of the optic nerves, comprises about 20,000 neurons. These cells, remarkably, contain the machinery to generate daily, or circadian, rhythms in gene expression and electrical activity. But the individual cells are sloppy and must communicate with one another to establish a coherent 24-hour rhythm.
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The world in six songs
Multi-talented psychologist and musician at Assembly Series
Sept. 26,
2008 -- Session musician, commercial recording engineer, live sound engineer, record producer, bestselling author and psychologist, Daniel Levitin visits the WUSTL campus at 11 a.m. on Wednesday, October 8 in Graham Chapel for the next installment of the Assembly Series.
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If in need, hope for happy people around
One's circumstance and mood can impact moral behavior
April 6,
2006 --
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| Your mood at the time might determine whether or not you help this woman. |
Do you consider yourself a moral person? Most of us do. But what is it exactly that makes us moral beings? A philosopher at Washington University in St. Louis thinks that circumstance and mood often have an extraordinary impact on how people behave, no matter what kind of character they may appear to have. Or, in other words, seemingly Sweet Sally may turn into Selfish Sally if in a foul mood. More ...
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Ben's 300th Birthday
'Doctor Franklin's Medicine' explores Founding Father's vast medical legacy
Dec. 7,
2005 --
Benjamin Franklin's myriad contributions as scientist, inventor, publisher and statesman will be back in the spotlight in coming months as America celebrates his 300th birthday on Jan. 17. Much of the hoopla, including major exhibits in London, Paris, Philadelphia and other American cities, will focus on Franklin's role as an influential American diplomat. However, a new book by medical historian Stanley Finger contends that Franklin also deserves considerable recognition for important contributions to the healing arts. "With strong interests in bedside and preventative medicine, hospital care, and even medical education, he helped to change medical care in both America and Europe," Finger says.
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Remembering Dallas
Flashbulb memories of JFK's assassination may not be so accurate
Nov. 5,
2003 --
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| Photo courtesy of Library of Congress |
| Remembering Nov. 22, 1963. |
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On Nov. 22, 2003, the nation will mark the 40th anniversary of the assassination of President John F. Kennedy in Dallas, Texas. The 1963 event was so surprising and traumatic, that many people who were alive that day claim they can remember exactly where they were and what they were doing when they heard the news. However, an expert in collective memory at Washington University in St. Louis claims those memories may not be as accurate as people think.
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