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Tag: "wired" at biology news

Gene linked with mental illness shapes brain region, researchers find

...reas of the brain being smaller. "The brain is wired differently in people who have depression, and probably from the point of view of treatment, we should try to identify these people as early as possible and intervene before the 'hard-wiring' gets altered," Dr. German said. ...

Mysterious 'neural noise' actually primes brain for peak performance

... that it fit extremely well. "The cortex appears wired at its foundation to run Bayesian computations as efficiently as can be possible," says Pouget. His paper says the uncertainty of the real world is represented by this noise, and the noise itself is in a format that reduces the resources needed to co...

Hopkins researchers discover how brain protein might control memory

...These types of long-term associations are memories wired in your brain." Years ago, Worley and his colleagues, studying laboratory rats, found that their brains made lots of Arc protein while the animals were awake and active. In fact, it has been long known that stimulating individual nerve cells - by...

Hard-wiring the fruit fly's visual system

...of millions of nerve cell contacts that need to be wired correctly during development in order for the adult animal to see normally. It is generally thought that the complexity of visual maps, like other brain regions, cannot only be genetically programmed but requires activity by neurons or nerve cells in...

On the golf tee or pitcher's mound, brain dooms motion to inconsistency

...pably, but people and other primates simply aren't wired for consistency like computers or machines. Instead, people seem to be improvisers by default. A major conclusion of the study, in fact, is that movement variability is not primarily a mechanical phenomenon, as had widely been thought. After lookin...

Aggression-related gene weakens brain's impulse control circuits

...onin. These, in turn, influence how the brain gets wired during development. The variations may have more impact on males because they have only one copy of this X-chromosomal gene, while females have two copies, one of which will be of the H variant in most cases. Several previous studies had linked inc...

Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see

...ry neurons in the visual cortex of a rat brain are wired to, and "talk" with, discrete excitatory neurons. ...eveal how neurons in the brain's cortex are finely wired to pass on thought and perception. The brain cortex is the folded tissue that looks like the outsid...

Researchers discover key to human embryonic stem-cell potential

...arly online edition of the journal Cell. "They are wired so they can become almost any part of the body. We've uncovered a key part of the wiring diagram for these cells and can now see how this is accomplished." Once an embryo is a few days old, the stem cells start to differentiate into particular tiss...

Mosaic mouse technique offers a powerful new tool to study diseases and genetics

...elopmental neurobiology as to whether the brain is wired by genetics or by environment--nature or nurture. Our discovery makes us feel that cerebellum wiring is more genetically determined than previously thought." Powerful approach In a companion article published in the same edition of Cell, scientists...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...haker was once again buried near the waterhole and wired to a tape deck in the tower. All three sounds were randomly played through the shaker at different times to see if the elephants could recognize them as distinct vibrations. "We wanted to determine if they can discriminate between familiar and unfami...

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