Sentences with phrase «although twin studies»

Although twin studies of attachment are providing mixed results, molecular genetic studies are showing that specific genetic polymorphisms of the dopaminergic and serotonergic neurotransmisson systems may moderate the statistically identified links between caregivers» behaviour and infant attachment.

Not exact matches

Although her studies were extensive, the real learning came from her fraternal twins Owen and Sophia!

Although prior twin studies had hinted that nonheritable factors contribute to some autoimmune disorders, such as multiple sclerosis, the recent analysis was one of the first to quantify genetic and environmental effects on the general immune system.

The idea is based in part on studies that show identical twins to have more similar levels of life satisfaction than non-identical twins, and suggests that although your level of happiness may occasionally be thrown off by major life events, it will always return to a set level within two years.

Although the universality of expressions and differences in facial musculature argue for a hereditary basis, only a few studies with twins have examined that hypothesis.

She added that these results from a national cohort study are likely to be similar in other populations, although Denmark itself had a lower twin rate than many other countries between 1995 and 2000.

Although you might think twin pregnancies require c - sections, they actually don't, says Dr. Rosenn, who cites a large 2013 study published in the New England Journal of Medicine.

For example, some have found significant differences between children with divorced and continuously married parents even after controlling for personality traits such as depression and antisocial behavior in parents.59 Others have found higher rates of problems among children with single parents, using statistical methods that adjust for unmeasured variables that, in principle, should include parents» personality traits as well as many genetic influences.60 And a few studies have found that the link between parental divorce and children's problems is similar for adopted and biological children — a finding that can not be explained by genetic transmission.61 Another study, based on a large sample of twins, found that growing up in a single - parent family predicted depression in adulthood even with genetic resemblance controlled statistically.62 Although some degree of selection still may be operating, the weight of the evidence strongly suggests that growing up without two biological parents in the home increases children's risk of a variety of cognitive, emotional, and social problems.