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Tag: "experience" at biology news

New study shows patients more willing to consider self-injectable HIV therapy than many physicians anticipate

...r for its use. Physicians with considerable FUZEON experience were significantly more likely to justify using self-injectable therapy in terms of time and resources and were less likely to doubt its efficacy relative to oral therapies, when compared to physicians less experienced with this type of treatment. D...

Past experience of pheromones induces dominant courtship behavior in fruit flies

...ave begun to understand how an adult fly's earlier experience as a young individual can influence its behavior t...ers found that pheromone signals in the context of experience with adult flies can influence how young flies will behave once they reach maturity. The work is re...

Neurons generated in the adult brain learn to respond to novel stimuli

...rs than did adult-born neurons of mice that had no experience with the odors. The findings suggest that the new ...e environment can alter adult-born neurons and how experience and activity are important for making sure new cells integrate properly." An associate professor of...

The dangerous legacy of lead

...act with lead paint and dust and, as a result, may experience intellectual impairment, behavioral problems and lifelong health issues. The effects of lead in children are irreversible, so public health officials are primarily focused on preventing these exposures. ...

Older female fish prefer imperfect male mates, study finds

...arch based on this study might examine whether the experience of mating draws older females to asymmetrical males, or whether there is a genetic factor, activated at a certain age or size, that makes larger females select more asymmetrically striped males. The asymmetrical barring pattern is likely a result of...

'Perception' gene tracked humanity's evolution, scientists say

...um-like protein implicated in the anticipation and experience of pain, social attachment and bonding, as well as learning and memory. "Humans have the ability to turn on this gene more easily and more intensely than other primates," said IU Bloomington computational biologist Matthew Hahn, who did the brunt o...

Looking for the genes that affect a person's level of response to alcohol

...parent. All of the pairs of siblings had had some experience with alcohol use themselves, but were not yet alcohol dependent. The goal was to both measure their LR to alcohol and evaluate how their LR related to specific regions of chromosomes. LR was established through use of the Subjective High Assessme...

Polio vaccination strategies assessed as eradication nears

... fewer than 1 percent of adults with HIV infection experience prolonged virus shedding when exposed to OPV, "and therefore probably represent minimal risk of re-introducing vaccine virus into the population after poliovirus has been eradicated," the authors concluded. The alternative to OPV, a live virus vacci...

Meditation associated with structural changes in brain

...te of mind. They averaged nine years of mediation experience and practiced about six hours per week. For comparison, 15 people with no experience of meditation or yoga were enrolled as controls. Using standard MRI to produce detailed images of ...

Worms know bad food when they smell it

... the worm. To find out whether worms learn from experience to avoid or seek out certain types of bacteria, th...ith chemotherapy. Patients' receiving chemotherapy experience intestinal damage, which sends a serotonin signal to the brain that triggers nausea. "People who are...

Ancient humans brought bottle gourds to the Americas from Asia

...n a new continent, including some knowledge of and experience with plant domestication." Thought to have originated in Africa, bottle gourds (Lagenaria sicereria) have been grown worldwide for thousands of years. The gourds have little food value but their strong, hard-shelled fruits were long prized as contai...

Gene expression profile helps predict chemotherapy response in ovarian cancer patients

...ant cancer cells, most patients will unfortunately experience a relapse. The goal of our current research is to...e (CRP), was found to predict which patients would experience a complete response to chemotherapy, as defined by the absence of disease at the time of second-look...

Scientists show how thinking can harm brain cells

..."Preconditioning would allow the nervous system to experience stress and become more resistant to future encounters with stress and the damage it can trigger," said Harris A. Gelbard, M.D., professor of Neurology at the University of Rochester Medical Center and the research project's principal investigator. ...

Travelers can avoid jet lag by resetting their body clocks

...p at 1.7 hours. Moreover, the participants did not experience jet lag�type symptoms. There was a slightly larger phase shift with the 3.0 mg dose compared to the 0.5 dose; however, the difference was not statistically significant. In addition, the higher melatonin dose made the participants slightly more slee...

Sooner is better with cochlear implants, Stanford scientist shows

...udsen and Fox wondered if children born deaf would experience the McGurk effect after receiving cochlear implant...ta in humans demonstrating the importance of early experience on brain development and behavior," he said. "This study shows just that." ...

Bees solve complex colour puzzles

...uggesting that bees solve this problem using their experience with meaningful colour relationships between objects in a scene. The findings, published in the Proceedings of the National Academy of Sciences, may one day lead to the design of autonomous robotic systems. In the UCL study, scientists from the UCL ...

UCSD study finds anthrax toxins also harmful to fruit flies

...d first conceived this study in 2002, to apply her experience in molecular genetic studies to research that had medical application. At that time, after the spate of anthrax-laced letters in 2001, anthrax became a charged topic in the research community and the general public. "Anthrax is still a hot subject b...

Birth defects: 8 million annually worldwide

...mation available and extrapolating, based on known experience in other countries, to fill in gaps. "This is a first cut," she says. "With more study and more money, we will be able to answer many of the questions that this report has uncovered." Data provided for the first time in this report are considered ...

Environmental tobacco smoke linked to behavior problems in children and pre-teens

...o include children without asthma who "act out" or experience depression and anxiety, according to Kimberly Yolton, Ph.D., a researcher at the Children's Environmental Health Center at Cincinnati Children's and the study's main author The study will be presented at 8:30 a.m. Pacific time Sunday, April 30, at t...

Human prostate grown from embryonic stem cells

...stone," said Dr Taylor. "As nearly every man will experience a problem with their prostate, we're very excited about the impact our research will have," she said.While prostate cancer is the most common cancer in men, the impact of benign prostate disease (BPH) is equally significant - up to 90 percent of men ...

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