Sentences with phrase «by previous studies»

This is supported by previous studies showing that the glycemic index of a particular diet has no effects on weight loss when calories are controlled.

The comparison of the present results with those obtained by previous studies conducted in low - fertility populations reveals both similarities and differences in how personality traits are related to reproductive success in humans.

He said this method gives a much more detailed picture than using the heat from reflected sunlight, the method used by previous studies, because each mineral emits a distinctive radiation signature.

They show that large - scale alloys behave differently than found by previous studies, which focused on samples of the order of thousands of atoms.

This was followed by extended drought after 700 recognized by previous studies.

The competing models are, on the one hand, a very early arrival of Asian species starting around 3000 BC as suggested by some previous studies, and on the other hand, a more modest, mid-first millennium AD arrival in connection with the archaeologically - confirmed maritime trade routes.

By measuring the dilation of their pupils — an indicator of sexual arousal, as proven by a previous study of his published in the Journal of Personality and Social Psychology, Savin - Williams and his team were able to conclude that women were aroused by pornography featuring women with men and women with women.

Research Basics Certain factors, such as an increased risk of stillbirth in future pregnancies, have been documented by previous studies examining how a c - section can impact a woman in later pregnancies.

These findings are supported by previous studies examining the health effects of iso - alpha - acids, which are derived from hops during brewing (6, 7).

«We provide compelling evidence that the signals reported by previous studies were due to non-specific blood proteins, not irisin.

More research is needed to rule out this second scenario, but the idea of being kind to yourself about occasional lapses in productivity or self - control — especially if you're the type to beat yourself up for every dip in productivity — has been endorsed by previous studies.

They placed limits on the number of such topological defects and how strongly they interact with matter — limits that are up to six orders of magnitude more stringent than ones set by previous studies of supernova explosions.

Using a state - of - the - art mass spectrometer to measure the titanium isotopes in supernova SiC grains with much better precision than could be accomplished by previous studies, the team found that the grains must have formed at least two years after their massive parent stars exploded.

In order to prevent just one case of psychosis, more than 20,000 people would have to stop using cannabis, as shown by a previous study led by the University of Bristol.

[2] This quantity is in fact much larger than the numbers quoted by previous studies which surveyed smaller regions, leaving out many of the cluster's stars that lie further from its core.

But the U.S. Environmental Protection Agency (and the California Air Resources Board) have noted that turning corn into ethanol can actually be a significant source of greenhouse gas emissions and other unintended environmental effects, largely by driving the expansion of agriculture and its attendant pollution — as evidenced by previous studies published in Science.

Their analysis — which used DNA data from a Neandertal woman from the Altai Mountains in Siberia (SN: 1/25/14, p. 17) and 112,338 present - day British people — confirmed some links between Neandertal heritage and human diseases made by previous studies (SN: 3/5/16, p. 18), but didn't find evidence that Neandertal gene variants contribute to obesity.

The team's findings demonstrate that irisin produced by bone could have a role in bone metabolism through both direct mechanisms and indirect mechanisms, as the transition from white fat to brown fat has been shown to lead to increased bone formation by previous studies.

Dr. Muglia notes that this study assembled extensive genomic data from at least five times as many pregnant women than had been gathered by any previous study of pregnancy and preterm birth.

That's about 2000 years earlier than suggested by previous studies focusing on a different, more selective set of genes known as the exome, but it's in line with recent archaeological findings that point to distinctly Tibetan permanent settlements appearing between 3600 and 5200 years ago, Yang says.

They identified several genes whose absence conferred HIV resistance, some of which had been predicted by previous studies and others that had never been directly tied to HIV infection before.

The hypotheses proposed by previous studies (as recent as 2014) have often assumed that the main food source of the Passenger Pigeon were acorns, meaning that the species was dependent on the presence and abundance of oak trees.

This may be the neural support of expertise or great abilities in either speech or music processing domains that were related with duplications by previous studies.

Age - related macular degeneration is highly hereditary, with genetic factors defining up to 71 % of the severity of the disease as established by a previous study by this same research team.

This is supported by a previous study printed in the Journal of Undergraduate Research investigating foam rolling across multiple weeks.

The mitral regurgitation area (MRA), vena contracta (VC) diameter and regurgitant fraction of proximal isovelocity surface area (RF PISA) were obtained from color flow mapping (Doppler) from the left apical four - chamber view, as described by previous studies (Kittleson and Brown, 2003; Muzzi et al., 2003; Gouni et al., 2007).

We conclude that the mechanism put forth by previous studies (e.g. Francis and Vavrus [FV12]; Liu et al. [2012]-RRB-, that amplified polar warming has led to the increased occurrence of slow - moving weather patterns and blocking episodes, is unsupported by the observations....

Perceived social support and alexithymia are psychosocial variables identified by previous studies as predictive of depression in normal controls and CKD patients.

The positive relationship found between GHQ - 12 and «Avoidance» (or equivalently, the negative relationship found between university adjustment and «Avoidance») is also supported by previous studies conducted by Aspinwall & Taylor (1992), Halamandaris & Power (1999), Park & Adler (2003), and Dyson & Renk (2006), which reported the negative impact of «Avoidance» coping strategy on university adjustment, especially the mental health of students.

«The reason for this is well documented by previous studies: parents respond to even the smallest marginal differences in the performance of local schools.

The authors re-analysed the same data on emergency admission used by the previous studies that have been repeatedly quoted by Government as showing a «weekend effect».

This is supported by previous studies conducted in the 1990s and 2000, which found that pets acquired as gifts are actually less likely to be relinquished than pets acquired directly by an individual owner.

Some of the compounds had been shown by previous studies to counter Ebola lifecycle steps.

The findings are also supported by previous studies.

These results are supported by a previous study showing that a diet high in vaccenic acid increased LDL - cholesterol (8).

This is supported by previous studies in both humans and animals, but this is the first study to show that propionate affects brain regions involved with food reward - driven behavior in humans.

This is also supported by previous studies.

Professor Jones, of Victoria University, also points out that recently observed changes in fire risk are already at the «worst case» level predicted for the year 2050 by a previous study.

The initial weakening is mainly driven by the anomalous surface heat flux in the subpolar North Atlantic, as suggested by previous studies, while the final slow strengthening could be attributed to the reduction of brine rejection in the Southern Ocean and the subsequent weakening of Antarctic Bottom Water.

As suggested by previous studies (Baker et al., 2011; Warren & Stifter, 2008), it would also be interesting to explore the relations between parental emotion - related conversations and parental reactions toward their children's emotions: Are parents who react in a supportive way to their children's emotions those who frequently discuss emotions with their children?