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Brain's inertial navigation system pinpointed
06-20-2007 · EurekAlert!Researchers have discovered a sophisticated neural computer, buried deep in the cerebellum, that performs inertial navigation calculations to figure out a person's movement through space.
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Keywords: brain, inertial, navigation, system, pinpointed
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- How the brain's backup system compensates for stroke
05-02-2007 · EurekAlert!
Researchers have pinpointed in humans how a "backup" brain region springs into action to compensate for disruption of a primary functional area, as happens during stroke. Their finding offers new insight into how the brains of stroke victims can quickly reorganize to enable the beginning of recovery of movement.
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- Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too
10-18-2006 · EurekAlert!
For years, the brain chemical dopamine has been thought of as the brain's "pleasure chemical," and studies have linked the addictive properties of drugs like cocaine to their effects on the dopamine system. But now, a new study adds a new twist to dopamine's fun-loving reputation: pain.
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- Circadian gene helps the brain predict mealtime
10-23-2006 · EurekAlert!
By investigating how animals can predict the timing of food availability, researchers have identified the first gene critical for anticipation of mealtime. This gene, called Period 2, is a key component of the circadian time-keeping system.
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- Penn researchers discover initial steps in the development of taste
12-05-2006 · EurekAlert!
Researchers at the University of Pennsylvania School of Medicine are closer to understanding how the sense of taste develops. They have pinpointed a molecular pathway that regulates the development of taste buds. Using genetically engineered mice, they discovered that a signaling pathway activated by small proteins called Wnts is required for initiating taste-bud formation. They have also determined that Wnt proteins are required for hooking up the wiring of taste signals to the brain.
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- Research offers hope for alcoholics
12-12-2006 · EurekAlert!
Scientists at Melbourne's Howard Florey Institute have discovered a system in the brain that stops an alcoholic’s craving for alcohol, as well as prevent relapse once they have recovered from alcohol addiction.
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- Electrical activity alters language used by nerve cells
12-19-2006 · EurekAlert!
University of California, San Diego biologists have shown that the chemical language with which neurons communicate depends on the pattern of electrical activity in the developing nervous system. The findings suggest that modification of nerve activity could have potential as a treatment for a wide range of brain disorders.
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- MIT creates 3-D scaffold for growing stem cells
12-26-2006 · EurekAlert!
Stem cells grew, multiplied and differentiated into brain cells on a new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.
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- New insights into autoimmunity and depression
02-27-2007 · EurekAlert!
A new study sheds light on the brain pathways of depression in general and in central nervous system dysfunction in SLE in particular.
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- Out-of-body experiences may be caused by arousal system disturbances in brain
03-05-2007 · EurekAlert!
Having an out-of-body experience may seem far-fetched to some, but for those with arousal system disturbances in their brains, it may not be a far off idea that they could sense they were really outside their own body watching themselves.
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- The origin of the brain lies in a worm
04-20-2007 · EurekAlert!
Researchers from the European Molecular Biology Laboratory in Heidelberg now reveal that the vertebrate nervous system is probably much older than expected. The study, which is published in the current issue of Cell, suggests that the last common ancestor of vertebrates, insects and worms already had a centralised nervous system resembling that of vertebrates today.
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