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Tag: "words" at biology news

Research identifies protein that signals flowering in squash plants

...ts to use a plant that is 100% inducible; in other words it absolutely will not flower unless it is induced. Then, with carefully designed grafting experiments, we can precisely control the introduction of putative florigenic signals into the translocation stream.” The authors screened nearly one hundred a...

Math that powers spam filters used to understand how brain learns to move our muscles

...ate on a similar principle; they predict which key words are “probably” attached to mail you don’t want and “learning” as they go to fine tune what they exclude from your in-box. The computer model, Shadmehr says, almost precisely duplicates the results of experiments that tested the ability of monkeys...

Putting feelings into words produces therapeutic effects in the brain

Why does putting our feelings into words — talking with a therapist or friend, writing in a... and eyes and has been associated with thinking in words about emotional experiences. It has also been implicated in inhibiting behavior and processing emoti...

How plague-causing bacteria disarm host defense

.... pseudotuberculosis and Y. enterocolitica are big words for nasty, little bugs that cause what's commonly known as food poisoning. All three bacteria species find their way past the body's immune system through a sophisticated invasion system that injects the effector proteins directly into the host cell...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...e animals were tested for spatial memory, in other words low long it took them to find the platform. The Alzheimer’s mice that received statin were able to find the platform while none of the transgenic mice receiving only saline were able to do so. Normal mice on statin also showed improvement in the tim...

Legal ruling may put endangered species in danger

...cholarly article with Nelson on the meaning of the words "endangered" and "recovery" in the Endangered Species Act. Their paper was published in the October 5, 2006 issue of the peer-reviewed journal, Conservation Biology. "The Act is intended to allow species to be restored throughout a large portion of t...

A frown or a smile? Children with autism can't discern

...acial expressions gives context and meaning to the words we hear. In a report to be presented May 5 at the International Meeting for Autism Research in Seatlle, researchers from UCLA will show that children with autism can’t do this. They hear and they see, of course, but the areas of the brain that norma...

Insomnia drug can improve brain function

... the patient was able to stand up and walk, repeat words and sentences, read words, and name objects, although she was not able to speak spontaneously. Administration of the drug increased brain metabolism, and PET scans also showed improvement in cerebral areas involved in motivational processing. Alth...

Is there a pilot in the insect?

...und height, groundspeed or descent speed, in other words without using any of the usual aircraft onboard flight aids like radar, GPS, radio-altimeters and variometers. An insect brain wouldn't cope with these cumbersome, heavy, energy-consuming devices. This important work shows that this new science c...

Sleep enforces the temporal sequence in memory

...tion. Students were asked to learn triplets of words presented one after the other. Afterwards they sle...n the students were asked to reproduce the learned words in forward direction. This finding shows that sleep associated consolidation of memories enforces...

Studies yield insight into the numerical brain

...lly, the numbers were also presented either as two words (e.g., two or eight), two digits (e.g., 2 or 8), or a mixed notation (two and 8). They hypothesized "that if the assumption of an abstract representation of numbers in the [parietal cortex] held true, the adaptation effect would be observed within ...

'Juiced-up' battery fueled by sugar could power small portable electronics

... Mango Veling asked study subjects to remember words that were strongly associated with each other. For...l-giraffe, animal-sheep. Subsequently all of these words passed by on a screen and the study subjects had to intend to press a button for a number of these w...

Molecular tools make the cut

... Mango Veling asked study subjects to remember words that were strongly associated with each other. For...l-giraffe, animal-sheep. Subsequently all of these words passed by on a screen and the study subjects had to intend to press a button for a number of these w...

Brain fends off distractions

... Mango Veling asked study subjects to remember words that were strongly associated with each other. For...l-giraffe, animal-sheep. Subsequently all of these words passed by on a screen and the study subjects had to intend to press a button for a number of these w...

New approach to BSE successful in lab

...ved the prion disease for up to 230 days, in other words about a third longer. ‘Basically siRNAs seem to be a promising therapeutic option for scrapie, CJD or BSE,?Professor Pfeifer emphasises. ‘However, it will take years before the method can be used on human beings.?The method is also relevant for an...

How the brain weaves a memory

...hers presented the subjects with series of "study" words on a display screen, as their brains were scanned ...their brains were scanned, the subjects were shown words of different colors and that were located in different quadrants of the display screen. Later, the...

Memories: It's all in the packaging, scientists say

...ists presented 23 research subjects with a list of words while they underwent an fMRI scan. The words were in different colors and would appear in one of four quadrants on a screen. The subjects had to ...

Sensory feedback during speech: The brain attunes to more than just sound

...ulate the brain's perception of jaw movement while words are spoken, researchers have deepened our understa... When we speak, our ability to effectively produce words is dependent not only on auditory feedback signals to the brain, but also on so-called somatosensory...

Taking 'chips' to the next level of gene hunting

...w dozen copies. Like a word-find puzzle, where words are hidden in a jumbled grid of letters, the TIP-chip highlights exactly where along the DNA sequence these elements have landed. By chopping up the DNA, amplifying the DNA next to the transposable elements and then applying these amplified copies to...

Slow brain waves play key role in coordinating complex activity

...ged with the task. Patients listening to a list of words would show strong coupling in a particular set of brain regions, but when they then had to name pictures, a different set of brain areas would show strong coupling. "We used to think that one little patch of cortex takes care of this function and an...

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