Sentences with phrase «most previous studies of»

Most previous studies of the Arctic atmosphere focused on the monthly average climate and how it varied over the seasons.

Most previous studies of apocalyptic astronomical events — like asteroid impacts, neighboring stars going supernova or insanely energetic explosions called gamma - ray bursts — focused on their threat to humankind.

In most previous studies of how these connections evolve, scientists have focused on the role of the postsynaptic neurons.

Not exact matches

While most previous research has looked at the impact of multi-week meditation courses, the results of this study show that even mere minutes of training are impressively effective.

Previous studies show that vegging out can actually be highly restorative for those who are mentally exhausted, but the research team wondered, are the types of people who are most in need of a night on the couch the least likely to allow themselves a healthy dose of sloth?

Also, in light of the previous point, this sort of makes pastors and preachers the dealers in this transaction, which is why you will very often find the most Bible addicts in a church where the pastor and preacher places an heavy and constant emphasis on attending church, listening to sermons, daily Bible reading, and going to Bible studies.

It can also reveal the author's attempt, present in most studies if only by implication, to correct what the writer feels is an overemphasis in the corpus of previous studies on another perspective.

Sadly, the fact is that, while they are one of the most - if not, the most - preventable of all catastrophic sports injuries, heat - related deaths among high school and college football players in the United States nearly tripled between 1994 and 2009, according to a new study by researchers at the University of Georgia, with an average of nearly three players dying each year during that time period versus about one death per year during the previous 15 years.

In the most recent meta - analysis of published studies, Robert Carpenter and colleagues found that the risk of SIDS increases dramatically for young babies when their mothers have consumed 2 units or more of alcohol in the previous 24 hours.

This cross-sectional study was to assess the relationship between RA, breastfeeding, and also use of oral contraceptives, in a population of older women from South China, where cultural habits differ from those in the West, where most previous studies were conducted.

This meta - analysis makes a significant contribution to the available evidence on this topic because it includes 6 original studies on the subject not included in previous meta - analyses.38 - 43 Moreover, to our knowledge, this is significantly the largest and most up - to - date review and analysis of current knowledge on childhood leukemia and breastfeeding.

A previous study highlighted infant nutrition as a major contributor to the early microbiota composition and function, with cessation of breastfeeding contributing the most fundamental shift in the composition of bacteria.8 A longitudinal study with more participants would allow us to determine the temporal dynamics of the effects of feeding practices and changes therein, as well as the persistence of the effects of both feeding and delivery mode later in infancy.

Although most studies of parental depression have focused on mothers, the impact of depression in fathers has received increasing attention.2, 3 Using data from the 2002 National Comorbidity Replication Survey, the Institute of Medicine report also estimated that 4.3 % of men with a child under 18 years old had a major depressive disorder within the previous 12 months.1 In addition, a recent meta - analysis4 suggested that the prevalence of paternal depression within the first year of a child's life was 10.4 %.

Most previous studies have compared breast fed children with children who were exclusively formula fed, but some studies have found that the correlation between breast feeding and cognitive ability increases with a longer duration of breast feeding.3 13 30 A Finnish study of 1163 children found a mean difference of 2.4 points on a cognitive test at 6 months of age between children breast fed for less than five months, compared to children breast fed for at least five months.10

For example, the effect of early milking frequency on «programming» milk production capacity has been explored in bovine models [30], [40]--[42], but no human studies have been conducted, most notably due to the previous need for mammary biopsies.

Analysis of the most recent British Election Study data demonstrated that while support for UKIP will fall after May's European Parliament elections, this decline will be by a much smaller margin than in previous years.

«Previous studies have also noted that the financial condition of the most troubled institutions is, to a large extent, a product of an inefficient expense structure, revenue challenges associated with a patient mix that approaches 90 percent public payers and charity care, and overwhelming liabilities (including debt issued long ago for physical plant improvements that, in some cases, are obsolete),» the health department said in its announcement.

However, with the discovery of the Lilstock specimen, this new study refutes previous identifications and also the most recent assertion that the Aust bones represent an early experiment of dinosaur - like gigantism in terrestrial reptiles.

«We started this study thinking we would identify the individual characteristics that motivated rescuers, because that's what most previous research had pointed to,» said Hollie Nyseth Brehm, co-author of the study and assistant professor of sociology at The Ohio State University.

Most previous studies on evolution views were done in the Midwest and Northeast, Rissler said, and hearing many of her students say the topic was avoided in their high - school science classes helped prompt the study, she said.

Most of the comets that astronomers study have made previous journeys into the torrid inner reaches of the solar system, often multiple times, as they orbit the sun.

Dr. Hayes says it is not clear what causes SCAD in most cases, but researchers know this from previous studies: • SCAD affects women more often than men; up to 80 percent of patients with SCAD are women.

In fact, based on previous studies, the US Food and Drug Administration concluded in 2003 that eating 1.5 ounces per day of most nuts «may reduce the risk of heart disease.»

«Most previous research into ways of delaying the onset of HD symptoms have focused on studying the mutant protein in cells or in animal models, but the relevance of abnormalities in those systems to what actually happens in patients remains a huge assumption,» says James Gusella, PhD, director of the Center for Human Genetic Research (CHGR) at Massachusetts General Hospital (MGH), corresponding author of the Cell paper.

Previous studies suggested that most of it will end up back in the atmosphere.

What sets the study apart from most previous evaluations is its randomized, controlled design — a relatively new approach honed by lead author Abhijit Banerjee, an economist at the Massachusetts Institute of Technology in Cambridge, and his colleagues.

Most previous studies have relied on human assessments of appearance, but predators often see the world very differently to humans.

Their previous studies steered them away from birds, which rid themselves of EEEV too quickly to harbor the virus for long, and from most types of reptiles — but not from snakes.

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.

In addition, the data density and geographic extent of this study is far greater than most previous studies because over 16,000 stream temperature sites were used with thousands of biological survey locations to provide precise information at scales relevant to land managers and conservationists.

Most previous Antarctic ice core records have not included many of the elements and chemical species that we study, such as heavy metals and rare earth elements, that characterize the anomaly — so in many ways these other studies were blind to the Mt. Takahe event.»

Most previous studies would have been limited to questions asking a small number of people, after the fact, how they had felt at a certain time.

This seemingly impossible task led most previous studies to examine randomly selected neurons or focus on a specific type of cell.

Since the Nazis destroyed most written records and so few Reinhard prisoners survived, previous studies of the sites have leaned heavily on the firsthand testimony of just a handful of prisoners and perpetrators — which, while important, conveys only certain aspects of what happened at the camps.

The most recent period studied (2007 - 2013) has a higher frequency of incidents than the preceding one (1994 - 2007), contradicting previous work in this area.

«In contrast to most previous studies, in which the animals learned from peers, the present study tested piglets after they observed their mother or their aunt in the process of solving a manipulative task,» explains Ludwig Huber, the director of this Messerli Foundation - financed study.

«Most previous studies aggregate all comorbidities into an index with little consideration of how a specific comorbid condition can impact lung cancer outcomes in an individual,» Islam said.

The ARIC data were especially useful to study because unlike most previous research linking gum disease and cancer risk, periodontitis cases were determined from dental examinations performed as part of the ARIC study rather than participants» self - reports of the disease.

The study authors noted that most previous studies on nausea and pregnancy loss were not able to obtain such detailed information on symptoms in these early weeks of pregnancy.

In previous studies, including recent genome sequencing of cancer patients, human SETD2 has been implicated in several cancer types, especially in renal cell carcinoma — the most common kind of kidney cancer.

«I was really intrigued by the results of a previous MIND study, which showed that the people who were most highly adherent to the MIND diet cognitively functioned as if they were 7.5 years younger than the least adherent group,» Cherian said.

A previous study estimated that the R2 of most ecological research ranges was between 0.02 and 0.05, but few researchers will publish results with such small explanatory power.

Dr McKay added that previous studies had only compared the decisions of delusion - prone and non-delusion-prone people to each other rather than to an objective measure of performance: «Surprisingly, our study also found that even low delusion - prone people jumped to conclusions — so most people jump to conclusions, but delusion - prone people jump further.»

Previous studies in the area had sample sizes of 50 to 200 patients, most of whom were non-Hispanic white.

This meta - analysis reinforced previous findings that feedback is effective in producing energy savings but results varied significantly from study to study so researchers broke down each study's moderating factors (i.e., feedback methods, length of feedback, etc.) to help figure out which types of feedback are most effective.

«Most previous studies have focused on using one technique at a time, even though we have evidence that there are alterations in the brain in autism in terms of structure, white - matter connectivity, and brain chemical concentrations.

In a study of 130 TGFs recorded by the AGILE satellite, Italian Space Agency physicist Marco Tavani and colleagues report that the most energetic particles released carry four times as much energy as previous measurements detected, and hundreds of times as much as those produced by normal lightning strikes.

Anthropologists and geneticists know that populations throughout the world migrated from Africa more than 60,000 years ago (see diagram), and that the human genome is at its most diverse in our continent of origin, but previous studies have only scratched the surface of African genetic diversity.

Previous in vitro studies conducted by researchers in other countries showed that this molecule was able to reduce the multiplication and increase the mortality of cells from melanoma, the most aggressive type of skin cancer, as well as breast cancer and neuroblastoma, a tumor that typically affects patients aged 15 or younger.

As with previous studies, the researchers found that the most probable way of creating a solar system with the same planet sizes and positions as seen today is to have Mars form within Earth's orbit and migrate outward.