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Tag: "sense" at biology news

MIT model helps researchers 'see' brain development

...h Fischl's team to ensure that their analyses made sense clinically. “We can't open the brain and see by eye, but the cool thing we can do now is see through the MR machine,?a technology that is much safer than earlier techniques such as X-ray imaging, said Yu. The first step in analyzing these image...

Study finds surfing safer than soccer

...ss common among surfers during a competition makes sense since it's a more controlled environment compared to a recreational surfing-type atmosphere. In competitions, there are a limited number of surfers in the water during each heat and the skill level is very high. On the other hand, recreational surfe...

Smell may outlast other senses

...rations, and then given an overall score for their sense of smell, or olfactory function. The results sh...mall detrimental effect on smell. “However our sense of smell is vulnerable to both the direct effects of some medications and changes associated with a ...

New sucker-footed bat discovered in Madagascar

...efore been seen by scientists," Goodman said. "The sense of discovery is almost levitating."...

Wired for sound: How the brain senses visual illusions

...ther ?for instance, blind people with a more acute sense of hearing. ...

A rarity among arachnids, whip spiders have a sociable family life

...round their bodies and are covered with hairs that sense their environment....

Penn study on olfactory nerve cells shows why we smell better when we sniff

... systems that detect only one type of stimuli, our sense of smell works double duty, detecting both chemica...lains why we sniff to smell something, and why our sense of smell is synchronized with inhaling. "The driving force for such synchronization remained a m...

Stability of mRNA/DNA and DNA/DNA duplexes modulates mRNA transcription

...coding sequences in genes), suggesting that stable sense duplexes are characteristic of the coding sequence...rast to intergenic regions, genes have more stable sense RNA/DNA duplexes than potential antisense RNA/DNA duplexes. "The difference between stability of sen...

Scientists find potential 'off-switch' for HIV virus

...ses wake up and the infection returns, so it makes sense to try to keep the virus asleep if possible." HIV weakens the body's immune system by invading CD4+ T cells, which in essence serve as the metaphorical generals in the body's defense system against illness. When an HIV virus particle invades a T c...

Homing pigeons get their bearings from their beaks

...magnetometer. The study suggests that the birds sense the magnetic field independent of their motion and posture and thus can identify their geographical position. The researchers further believe that this ability is not unique to homing pigeons as they expect that the ‘pigeon-type receptor system ?m...

Using brain scans, researchers find evidence for a two-stage model of human perceptual learning

...for Computational Cognitive Neuroscience. "We make sense of the world by learning to recognize objects as members of categories such as 'food,' 'friend,' or 'foe,' but it has not been clear how the human brain does this," he said. The researchers theorized that a very simple yet efficient way of doing t...

Gene that makes people 'early to bed and early to rise' demystified

...o suggest a model of clock function in which cells sense changing PER2 levels over time, beginning a new daily cycle when a certain threshold is crossed. "In S662G individuals or mice, the alteration in transcription leads to production of less PER2, while the clock protein's degradation remains unaffec...

Paleontologists discover new mammal from Mesozoic Era

...at biologists and paleontologists are able to make sense of how developmental mechanisms have impacted the morphological evolution of the earliest mammals," said Luo....

Scientists unveil piece of HIV protein that may be key to AIDS vaccine development

...vaccine likely needs to induce antibodies that can sense and destroy multiple HIV strains. Scientists have sought such broadly neutralizing antibodies by studying the blood of people whose immune systems appear to hold the virus at bay for long periods of time—b12 is one of these rare, broadly neutralizing...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...at brain function is plastic, or reparable, when a sense like touch has been profoundly diminished. Plastic...or touch on one side of the body to force the same sense on the other side of the body to expand its activity within the brain, thereby remodeling it to perc...

Proteins important in Alzheimer's, Parkinson's disease travel in the slow lane

...alized proteins called molecular motors. "It makes sense when you think about it ?why would the neurons spend so much energy transporting proteins separately when they’re going to the same place anyway, like car pooling" speculates Roy. "Our study reveals novel aspects of axonal transport of an importa...

OHSU lab finds meth receptor that could lead to therapy

...ved in motivation and drug craving, olfaction ?the sense of smell ?and temperature regulation, to name a few. "With this kind of pharmacological profile and brain distribution, we hypothesized TAAR1 could mediate some of meth’s metabolic and behavioral effects," explained Grandy, who also directed the g...

Scientists to track impact of Asian dust and pollution on clouds, weather, climate change

...are providing insight into the complexities of the sense of smell and may ultimately yield a better underst... researchers decided to test the mice first on the sense of smell, since the olfactory system not only involves complex neural circuits but also has a behavi...

Common algae helps illustrate mammalian brain electrical circuitry

...are providing insight into the complexities of the sense of smell and may ultimately yield a better underst... researchers decided to test the mice first on the sense of smell, since the olfactory system not only involves complex neural circuits but also has a behavi...

Chemical switch triggers critical cell activities

...he target. The investigators were able to make sense of this combination of relay race and rotating paddle wheel by using a technique called X-ray crystallography. In X-ray crystallography, scientists bombard crystals of proteins with X-rays and use the patterns formed by beams bouncing off the crystal...

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