Sentences with phrase «previous studies involving»

Researchers reviewed 42 previous studies involving a total of 7,034 women who had an IUD inserted after unprotected sex, and found that 0.9 percent of the women subsequently became pregnant.
«Previous studies involving the GISS model found that rapid cloud changes in both hemispheres result from the rapid adjustment to aerosol forcing; effective radiative forcing isthus more hemispherically symmetric than instantaneous aerosol forcing.
Previous studies involving exercise and cognition were focused on decreasing the risk of dementia in the elderly.
In examining the association between purpose in life and the risk for heart disease, researchers analyzed 10 previous studies involving 136,000 people from the United States and Japan.
In a sophisticated analysis, the scientists compared these data with those from previous studies involving tens of thousands of other people.
To investigate this idea, Krogsboll's team pooled data from 14 previous studies involving nearly 183,000 people, comparing participants who were offered regular checkups with those who saw their doctors only when they had a complaint.
Also, many previous studies involved an operator feeding a catheter into the artery and pulsing the ultrasound through the catheter directly at the clot.
However, in a previous study involving Cluster, plasma turbulence was observed in the magnetosheath, the region between Earth's bow shock, where the solar wind meets the magnetic field of the Earth, and the magnetosphere — the magnetic bubble which surrounds it.

Not exact matches

As an example, they cited outside research and «early evidence» from a previous study Matias conducted on Internet messaging board Reddit that involved showing readers of Reddit's «r / science» forum rules for commenting.
«In order to be confident of the sensitivity of the study, we would expect to detect a difference between the «positive control» of caffeine vs. placebo, consistent with the many previous investigations involving caffeine.
After analyzing hundreds of previous studies, including some that involved pregnant women and children, the authors found no strong evidence in favor of the organics.
The data is the result of a follow - up study looking at children involved in two previous studies initiated in the 1990s.
In previous studies, the researchers reported multiple serotonin - related brain abnormalities in SIDS cases, including a decrease in serotonin in regions involved in breathing, heart rate patterns, blood pressure, temperature regulation, and arousal during sleep.
Previous studies showed that, in depressed patients, lipid rafts sequester a protein involved in cell signaling, called GαS, keeping it from doing its job.
However, according to Alexander Soutschek, an economist at the University of Zurich and lead author on the study, previous research on self - control and delayed gratification has focused instead on the prefrontal brain regions involved in impulse control.
However, most previous studies have involved Caucasian faces or Caucasian observers, making it difficult to know if the findings are applicable to other ethnicities.
«I'm not surprised the results have been mixed, because the previous studies have involved different societies, cultural practices and so on.»
The trial, a phase 3 study involving major cancer research institutions in Europe, the United States, Australia and Japan, enrolled 800 patients with metastatic colorectal cancer that was progressing despite previous treatment.
The study involved participants of European descent exclusively, but co-author Roy Perlis, a researcher at Massachusetts General Hospital, notes it's standard method to focus on one group as a starting point, since previous research shows genetic markers can vary by ethnicity.
Previous imaging studies have found that in PTSD sufferers, parts of the brain involved in memory, fear, and mood control are smaller compared with the brains of people who come through their trauma more - or-less unscathed.
At a follow - up months later, these gains were maintained and in one of the studies, involving two teams that had losing records the previous year, both had winning seasons following mindful sport performance enhancement.
Previous studies about nurse workflow have used time - motion study methods, which involve manually observing nurses in person or on video and then clocking how much time they spend on each task.
Previous studies have shown that rhesus macaque skin coloration is involved in mate selection - both males and females show interest in darker red faces displayed in the opposite sex.
Previous studies have shown that rats will lend distressed companions a helping paw, says Peggy Mason, a neurobiologist at the University of Chicago in Illinois who was not involved in the work.
But the most ambitious effort yet to find traces of Yersinia in the remains of Black Death victims has failed, and the researchers involved argue that a previous study that did report finding Yersinia was flawed.
«Previous studies have linked increased stress with accelerated onset of metastasis in some forms of breast cancer,» said Michelle L. Halls, Ph.D., a researcher involved in the work from the Drug Discovery Biology Theme at Monash Institute of Pharmaceutical Sciences at Monash University in Parkville, Victoria, Australia.
Another researcher not involved in this study, Andrea Pittarello, a behavioral psychologist at Ben - Gurion University of the Negev in Israel, proposes that the mechanism behind ethical decision - making in these experiments is that thinking of previous dishonesty «make [s] moral standards more salient and in turn decrease [s] dishonesty.»
The results build on previous studies that show dogs can process nonverbal cues like the tone of someone's voice, says Victoria Ratcliffe, an animal behavior researcher at the University of Sussex, who was not involved in thestudy.
Previous studies have identified neurons that only fire up when an animal points its head in a certain direction — some for east, others for south, for example — but reports of neurons that respond to changes in an animal's speed are sparse and largely anecdotal, says Jeffrey Taube, a neuroscientist at Dartmouth College who was not involved in the work.
The findings might have departed from prior studies because of the difference in size and study design, he said, explaining that much of the previous work in this area has been conducted in groups of 100 or fewer and mostly involved student subjects.
Previous studies had suggested that meditation does something similar for parts of the brain involved in focused attention.
In previous studies, the researchers reported multiple serotonin - related brain abnormalities in SIDS cases, including a decrease in serotonin in regions involved in breathing, heart rate patterns, blood pressure, temperature regulation, and arousal during sleep.
Previous studies have proven the benefits of vigorous stair climbing over sustained periods of time — up to 70 minutes a week — but scientists set out to determine if sprint interval training (SIT), which involves brief bursts of vigorous exercise separated by short periods of recovery, was an effective and time - efficient alternative for improving cardiorespiratory fitness.
Goldman's work builds on previous studies that explored the developmental cues involved in directing an embryonic stem cell to become a functioning neuron.
Several features make the initiative different from previous CFS studies, Carlson says — the technology Lipkin will use, the size and careful characterization of the cohort, the investigators involved, and the business - driven approach.
The team's projection is almost certainly too pessimistic, counters Drew Shindell, a climate scientist at NASA's Goddard Institute for Space Studies in New York City who was involved in both previous studies critiqued by Smith and MStudies in New York City who was involved in both previous studies critiqued by Smith and Mstudies critiqued by Smith and Mizrahi.
In Britain, the row over a man in Birmingham who allegedly infected four or more previous partners is unlikely to involve either a court case or forensic studies on the strains of HIV involved.
This included proteins that previous studies had shown can affect sperm function and those that can affect cells in the testes involved in sperm production.
The current finding confirms previous studies that suggested caudal sections of the auditory cortex in humans are involved in interpreting visual speech, but could not use fMRI to properly localize this correlation.
«Our study builds on previous work in other regions showing that pollution exposures may be involved in ASD.
The evidence for immune activation was most prominent in the anterior cingulate cortex, a brain region involved in mood regulation and implicated in the biological origin of depression, confirming the results of a previous study that first identified altered microglial activation in medication - free MDD patients.
In a previous study of Pygmy genomes, Tishkoff and colleagues had found variants in genes involving human growth factor, which the pituitary gland produces to regulate height.
The new findings aren't surprising in light of previous studies on bacteria, says food scientist Donald Schaffner of Rutgers University in New Brunswick, New Jersey, who was not involved in the new work.
In a previous multi-institutional study, the researchers tested an earlier version of the tool involving 355 patients in pediatric intensive care units.
Previous studies have found that several years before the disease manifests itself, the brains of people with the mutation undergo subtle changes, with a thinning of the regions involved in motor function.
Although previous work had suggested a connection between metabolism and circadian rhythm control, the find «will come as a big surprise to 99 % of people involved in diabetes research,» says Eve Van Cauter of the University of Chicago in Illinois, an expert on sleep and metabolism who was not involved in the studies.
That is, until a previous study by Heitman and his colleague and former fellow Xiaorong Lin showed that Cryptococcus engaged in a phenomenon known as unisexual reproduction, or sex involving fungi of the same mating type.
Previous studies have suggested that HSP101 might be involved in protein secretion.
Previous studies by other labs have demonstrated that diabetes may affect brain hormones involved in appetite regulation.
Previous studies have found proteins and cellular factors involved in rapid - response energy dissipation when light intensity suddenly changes, such as when clouds move past the sun.
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