Sentences with phrase «biological studies compared»

Not exact matches

How about some ADHD discussion and studies linking the changing landscape of parents especially mothers who abandoned their kids, stopped breastfeeding and left them to care givers who tended to be impatient and violent compared to biological parents over the past 50 years of feminism?

Stepfathers are widespread not only in modern industrial societies but also in subsistence - level societies as well.6, 51,52 Many studies have found that, compared with resident biological fathers, stepfathers invest less in the children who live with them, both in the United States37, 39,53 and other cultures.54 - 56 Stepchildren are more likely to have emotional and behavioural problems than resident genetic offspring, 39,40 although there is evidence that children who have close relationships with their stepfathers have better outcomes.41, 57

James Umen of the Salk Institute for Biological Studies in La Jolla, California, compared Chlamydomonas reinhardtii and Volvox carteri.

Last year, Szyf and researchers from Yale University published another study of human blood samples, comparing 14 children raised in Russian orphanages with 14 other Russian children raised by their biological parents.

The study compared the outcomes of older and younger full biological sisters who experienced the divorce or separation of their parents while growing up, and thus spent differing amounts of time living with their fathers.

Dr Vera Weisbecker of UQ's School of Biological Sciences said the study represented the first dataset comparing brain growth in different mammals, gathered through a novel method of non-invasive micro-CT (computed tomography) scanning which allowed the fast data acquisition of soft tissue growth in tiny mammals.

Assistant Professor Lin Qingsong, who is from the Department of Biological Sciences under the NUS Faculty of Science and is one of the scientists who led the study, explained, «Many people may not realise that more human lives are lost to the tiny mosquito, more specifically malaria parasites, each year as compared to ferocious animals such as lions and sharks.

The study compared the position of Antarctic biodiversity and its management with that globally using the Convention on Biological Diversity's (CBD) Aichi targets.

The technique is the «gold standard» for metabolic studies, and the researchers did a «terrific job» using it to compare the total calories burned daily by apes and humans, says biological anthropologist William Leonard of Northwestern University in Evanston, Illinois.

The new study compares the theories of jump dispersal and vicariance in a new computational program developed by Nicholas J. Matzke, a postdoctoral fellow at the National Institute for Mathematical and Biological Synthesis.

«Comparing human, chimpanzee and bonobo cells can give us clues to understand biological processes, such as infection, diseases, brain evolution, adaptation or genetic diversity,» says senior research associate Iñigo Narvaiza, who led the study with senior staff scientist Carol Marchetto at the Salk Institute in La Jolla.

«In this study, we were interested in comparing different species of carnivorans to see how the numbers of neurons in their brains relate to the size of their brains, including a few favorite species including cats and dogs, lions and brown bears,» said Associate Professor of Psychology and Biological Sciences Suzana Herculano - Houzel, who developed the method for accurately measuring the number of neurons in brains.

A study that compares us with other primates finds a brain region linked to social behavior that may offer a biological explanation for why humans, not chimps, produced Shakespeare, Gandhi and Einstein

Scherf, who also studies adolescents and pubertal development, began to investigate biological sex differences to further her own understanding of what sex differences — if any — exist in sexually mature men and women, compared to adolescents.

Thus, NASA launched the supplemental Twins Study, and 10 researchers are now comparing biological samples taken from both men before, during and after Scott's yearlong mission on the ISS.

For a study published in the journal Biological Psychiatry, Ole Andreassen and colleagues compared genetic information from Neanderthals and modern humans and found an association between markers of human evolution and genetic risk for schizophrenia.

Satchidananda Panda, a researcher at the Salk Institute for Biological Studies in La Jolla, Calif., compared mice that were allowed to eat whenever they wanted to mice that only had access to food during a 10 - to 12 - hour period each day.

From these studies, it was evident that there was a differential expression of host neuroimmune genes in the clinical groups, emphasizing the divergent biological environments in the HIV compared to the ODC brain specimens.

The study found telomeres with an advantage of 9 years in biological aging in those individuals who had high levels of physical activity compared to individuals who are sedentary, and a 7 - year advantage in comparison to moderately active individuals.

After supplementing with zinc (30 mg daily) for 2 months, women with PCOS saw slight improvements (12.5 vs. 8.3 %) in their acne compared to those who took a placebo, according to a study in Biological Trace Elements Research.

Other EliteSingles studies have shown that men report feelings of love earlier on in a relationship too, such as a 2016 survey of 500 Kiwis that showed 6 % of men would say «I love you after a just a week of dating, compared with 2 % of women.8 Clearly there is some level of biological difference between the genders; so maybe men really are more open to the idea of love at first sight and, perhaps, they should be seen as the true romantics of this world?

We don't know the efficacy of Red Rocks Biologicals Crotalus Atrox Toxoid (rattlesnake vaccine) because no one has, or ever is, going to do controlled studies, where they inject dogs with snake venom and compare vaccinated dogs to unvaccinated dogs, for obvious humane reasons.

«In addition to our study of global warming, we also compared the two fuels in terms of a range of other environmental impacts — from eco and biological toxicity to ozone layer depletion and acidification,» the authors wrote.

The study compared these children to a group of about 600 (out of 33,708) living with their biological mothers.

O'Leary and colleagues identified that there was a significantly increased risk of birth defects and intellectual disability in children whose mother received an alcohol - related diagnosis during pregnancy, compared with children whose mothers received a diagnosis at other time points.23 28 However, the results of the current study suggest that the relationship between exposure and attendance may not be driven by the biological effects of in utero alcohol exposure alone.

«In a study of 254 African - American male adolescents, boys living with both biological parents were most likely to cite their fathers as role models (96 percent), compared to only 44 percent of those not living with their fathers, and were more likely to stay in school.

One study directly assessed the brain functioning of children in foster care using the popular method of examining levels of cortisol, the hormone produced in response to stress in humans.25, 26 Children who are exposed to high levels of stress show unusual patterns of cortisol production.27 Foster children exhibited unusually decreased or elevated levels of cortisol compared to children reared by their biological parents.28 Such findings are consistent with the literature, which points to the importance of the parent - child relationship in buffering the stress responses of children.

Using 2 waves of data from a national survey of Canadian children, the current study prospectively follows 5,004 children living in 2 - biological parent households at initial interview and compares changes in parenting practices between households that subsequently divorce and those that remain intact.

Comparing the biological and cultural inheritance of personality and social attitudes in the Virginia 30,000 study of twins and their relatives