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Anatomy & Neurobiology


URL: http://mednews.wustl.edu/group/page/normal/64.html

Media Assistance:

Joni Westerhouse
Executive Director for Medical Communications
westerhousej@wustl.edu

(314) 286-0120

The Neuroscience Program at Washington University provides opportunities for graduate and postgraduate training in a variety of laboratories engaged in multidisciplinary research aimed at understanding how the brain works and how it malfunctions in disease. The program has great breadth, depth, intellectual vitality, and collegiality.


News Stories & Tip Sheets:

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Brain tweak lets sleep-deprived flies stay sharp

Brain tweak lets sleep-deprived flies stay sharp (http://mednews.wustl.edu/news/page/normal/12092.html)

July 31, 2008 --
Scientists testing sleep's effects on learning have devised a model that presents fruit flies with a simple choice: fly into a lighted vial or a darkened one.
Scientists testing sleep's effects on learning have devised a model that presents fruit flies with a simple choice: fly into a lighted vial or a darkened one.
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Staying awake slows down our brains, scientists have long recognized. Mental performance is at its peak after sleep but inevitably trends downward throughout the day, and sleep deprivation only worsens these effects. For the first time, researchers at the School of Medicine have found a way to stop this downward slide. When scientists genetically tweaked a part of the brain involved in learning and memory in fruit flies, the flies were unimpaired even after being deprived of sleep.


Love in the air?

Steroids in female mouse urine light up nose nerves of male mice (http://mednews.wustl.edu/news/page/normal/11928.html)

June 17, 2008 -- A group of steroids found in female mouse urine goes straight to the male mouse's head, according to researchers at the School of Medicine. They found the compounds activate nerve cells in the male mouse's nose with unprecedented effectiveness.


Mental processes

Researchers find that neurons compensate for electrical changes (http://mednews.wustl.edu/news/page/normal/11899.html)

June 11, 2008 -- All mental processes, including thinking, learning and memory, depend on the electrical properties of individual nerve cells in the brain and on the connections between them. In turn, the electrical responses of each nerve cell, or neuron, reflect the unique set of pores — called ion channels — that perforate its surface and allow the passage of charged particles, or ions. So researchers at the School of Medicine were a little surprised when they saw no harmful effects in mice after eliminating an important type of potassium ion channel from neurons in the brain.



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Faculty Experts:

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James Cheverud

Professor of Physical Anthropology in Arts and Sciences (http://mednews.wustl.edu/sb/page/normal/513.html)


Expertise: quantitative genetics, evolutionary theory, human genetics, human and nonhuman primate biology, genetics, obesity, evolution, …

Direct contact: (314) 362-4188 / cheverud@wustl.edu


Jane Phillips-Conroy

Professor of Anthropology in Arts and Sciences (http://mednews.wustl.edu/sb/page/normal/514.html)

Phillips-Conroy's studies of free-ranging primates are focused on how behavioral, demographic and ecological variables function to influence populaton structure. Her research has been focused on a long-term study of the hybrid zone between olive and hamadryas baboons in the Awash National Park in Ethiopia ...


Expertise: behavior and ecology, primate biology, diet and nutrition, dental morphology, east Africa, South America

Direct contact: (314) 362-3396 / baboon@wustl.edu


Glenn C. Conroy

Professor of Anatomy and Physical Anthropology (http://mednews.wustl.edu/sb/page/normal/492.html)

Conroy is co-developer of a method to analyze fossilized skulls using computed tomography, or CT, scans. The system lets researchers see inside skull fossils and reconstruct the skull from fragments, allowing a precise measure of brain size.


Expertise: primate evolution, comparative anatomy, human evolution, Southern Africa, extant primates, fossil hominids, anatomy, …

Direct contact: (314) 362-3397


Joseph Ackerman

William Greenleaf Eliot Professor of Physical Chemistry in Arts & Sciences (http://mednews.wustl.edu/sb/page/normal/496.html)

Joseph Ackerman
Joseph Ackerman
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Joseph J. H. Ackerman, Ph.D. is William Greenleaf Eliot Professor of Chemistry and chair of the chemistry department. His work is concerned primarily with the development and application of magnetic resonance spectroscopic and imaging techniques for the study of functional biophysical and physiologic ...


Expertise: magnetic resonance techniques, spectroscopic techniques, imaging techniques, functional biophysical, physiologic events, intact biological systems, isolated cell preparations, …

Direct contact: (314) 935-6593 / ackerman @wuchem.wustl.edu


Ursula Goodenough

Professor of Biology in Arts & Sciences (http://mednews.wustl.edu/sb/page/normal/43.html)

Ursula Goodenough
Ursula Goodenough
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Leading cell biologist and Washington University professor of biology Ursula Goodenough, is the author of a bestselling textbook, Genetics, and also wrote the popular discourse on religion and science The Sacred Depths of Nature, which was named Oustanding Academic Book of 1999 by Choice. She has served ...


Expertise: evolution of sex, speciation

Media assistance: (314) 935-5272 / tony_fitzpatrick@wustl.edu



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Related News Clips:

Showing 5 Clips.
Doggie 'Doctors' Diagnose Their Owners' Ills
MSNBC.com and 2 others

Aug. 28, 2008 -- WUSTL anatomy and neurobiology professor Timothy Holy comments on pets whose keen senses of smell and intuitions helped alert their owners to medical problems that they were unaware of.


Commentary: Can insomnia kill?
Los Angeles Times

March 31, 2008 -- Commentary on insomnia mentions sleep studies of twins by WUSTL psychiatry professor Andrew Heath.


Science Notebook
The Washington Post

Sept. 27, 2006 -- David Brown writes about a study on sleep and learning using fruit flies in the journal Science.
WUSTL neurobiology researchers Jeff Donlea and Paul Shaw participated in the study.


And now, please welcome Modest Mouse
New York Times, St. Louis Post-Dispatch, Nature Magazine (UK) and 50 others

Nov. 1, 2005 -- WUSTL neurobiologists Timothy Holy and Zhongsheng Guo have analyzed the vocalizations of male mice and found that they have the characteristics of song — with distinct types of syllables uttered in phrases and motifs. The finding is reported in a paper in the journal PLoS Biology.
The researchers found that individual mice sing distinct songs. Dr. Holy said that this suggested that some element of learning might be involved.


Are humans still evolving?
Science Magazine

July 8, 2005 -- Michael Balter writes about various views on the question: are humans still evolving?
WUSTL professor of anatomy James Cheverud and a South African colleague say even very early evolutionary changes in the hominid line were not necessarily due to natural selection. They analyzed hominid faces over time, using formulas that model natural selection as well as random genetic drift, in which some traits or alleles become more common simply through chance.




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