• populations
  • These results demonstrate that both age and BDNF serum levels are important factors to consider when investigating the mechanisms by which exercise interventions influence cognitive outcomes, particularly in elderly populations. (frontiersin.org)
  • What the paper does is select a set of potential risk factors for breast cancer, and then compare the incidence of those risk factors in a group of populations with the incidence of breast cancer in those same populations. (scienceblogs.com)
  • Genetics is a major factor in determining the height of individuals, though it is far less influential in regard to differences among populations. (wikipedia.org)
  • Changes in diet (nutrition) and a general rise in quality of health care and standard of living are the cited factors in the Asian populations. (wikipedia.org)
  • In most populations, adult males tend to have higher death rates than adult females of the same age (even after allowing for causes specific to females such as death in childbirth), both due to natural causes such as heart attacks and strokes, which account for by far the majority of deaths, and also to violent causes, such as homicide and warfare, resulting in higher life expectancy of females. (wikipedia.org)
  • typically
  • The g factor typically accounts for 40 to 50 percent of the between-individual performance differences on a given cognitive test, and composite scores ("IQ scores") based on many tests are frequently regarded as estimates of individuals' standing on the g factor. (wikipedia.org)
  • Today's factor models of intelligence typically represent cognitive abilities as a three-level hierarchy, where there are a large number of narrow factors at the bottom of the hierarchy, a handful of broad, more general factors at the intermediate level, and at the apex a single factor, referred to as the g factor, which represents the variance common to all cognitive tasks. (wikipedia.org)
  • Note there is a discontinuity in the growth curves at age 2, which reflects the difference in recumbent length (with the child on his or her back), used in measuring infants and toddlers and standing height typically measured from age 2 onwards. (wikipedia.org)
  • Elderly
  • Elderly people, for example, do tend to have less good bacteria in their gut so their digestion is not as good as their younger days and they are more prone to falling ill. (nst.com.my)
  • For example, in the United States, as of 2006, an adult non-elderly male is 3 to 6 times more likely to become a victim of a homicide and 2.5 to 3.5 times more likely to die in an accident than a female of the same age. (wikipedia.org)
  • cognitive
  • Several neural mechanisms thought to support these cognitive processes become particularly vulnerable during the aging process ( Burke and Barnes, 2006 ). (frontiersin.org)
  • Mehul A. Trivedi, Ph.D., and colleagues have been studying how these risk factors affect cognitive efficiency in middle-age. (actionalz.org)
  • These people also exhibit abnormalities of brain structure and function on imaging scans - factors that could affect cognitive efficiency and memory years before clinical symptoms of Alzheimer's appear. (actionalz.org)
  • For this grant, Dr. Trivedi and colleagues will use functional magnetic resonance imaging (fMRI) techniques to assess the role of dementia risk factors on white matter functioning and on cognitive efficiency. (actionalz.org)
  • The g factor (also known as general intelligence, general mental ability or general intelligence factor) is a construct developed in psychometric investigations of cognitive abilities and human intelligence. (wikipedia.org)
  • infants
  • African-American infants tend to be smaller than white infants of the same gestational age. (selfgrowth.com)
  • Humans grow fastest (other than in the womb) as infants and toddlers, rapidly declining from a maximum at birth to roughly age 2, tapering to a slowly declining rate, and then during the pubertal growth spurt, a rapid rise to a second maximum (at around 11-12 years for female, and 13-14 years for male), followed by a steady decline to zero. (wikipedia.org)
  • individuals
  • The mediation analyses revealed that BDNF mediated the effect of the intervention on task-switch accuracy, but did so as a function of age, such that exercise-induced changes in BDNF mediated the effect of exercise on task-switch performance only for individuals over the age of 71. (frontiersin.org)
  • At best, that approach can show a statistical correlation, but it's going to be a weak one - because it doesn't maintain any link between individuals with risk factors and the incidence of disease. (scienceblogs.com)
  • In general, you use a correlative study like that when you can't associate risk factors and incidences with specific individuals. (scienceblogs.com)
  • However, individuals who excel at one type of test tend to excel at other kinds of tests, too, while those who do poorly on one test tend to do so on all tests, regardless of the tests' contents. (wikipedia.org)
  • Mathematically, the g factor is a source of variance among individuals, which entails that one cannot meaningfully speak of any one individual's mental abilities consisting of g or other factors to any specified degrees. (wikipedia.org)
  • One can only speak of an individual's standing on g (or other factors) compared to other individuals in a relevant population. (wikipedia.org)
  • The smooth 50th percentile male and female growth curves illustrated above are aggregate values from thousands of individuals sampled at ages from birth to age 20. (wikipedia.org)
  • Other factors significantly linked to aggression are sex and trait anger, with men and individuals with higher levels of trait anger showing more aggressive behaviors. (wikipedia.org)
  • largely
  • It seems that the cremation ritual rose to prominence during the Bronze Age and then largely waned during the Iron Age. (blogspot.com)
  • This is partially due to the fact that the basal current levels are largely affected by factors such as pH, so over longer periods of time these values tend to drift. (wikipedia.org)
  • warfare
  • The intensification of warfare during the Bronze Age may have been an additional factor in the rise of the cremation ritual, because it is a convenient way to dispose of the dead at a battle site, or away from an established cemetery. (blogspot.com)
  • babies
  • Although research shows conflicting results, young adolescent women also tend to deliver smaller babies and should gain toward the higher end of the recommended spectrum. (selfgrowth.com)
  • younger
  • The data also show that people with very short telomeres are more likely to die at a younger age. (kanw.com)
  • Maybe because the people didn't like how you implied all younger guys are immature and were thinking some old guys could even be very immature so you shouldn't quite base it on age, which is a fair comment if you think about it. (girlsaskguys.com)
  • youngest
  • He was elected at age 20 in 2010, being the youngest person ever to be elected to an Australian parliament. (wikipedia.org)
  • The youngest-ever elected member of the Canadian House of Commons is Pierre-Luc Dusseault, who was elected at the age of 19 years and 11 months in 2011. (wikipedia.org)
  • The youngest-ever elected member of the National Assembly is Ilona Burka, who became MP at the age of 19 years, 5 months and 13 days on 12 May 1971, following the 1971 parliamentary election. (wikipedia.org)
  • The youngest senator in Seanad √Čireann is Fintan Warfield who was elected as a senator at the age of 24. (wikipedia.org)
  • The youngest member of the Chamber of Deputies ever is Enzo Lattuca (PD), elected in 2013 aged 25. (wikipedia.org)
  • The youngest MP in Malawi was Angela Zachepa who was voted in as MP at age 21. (wikipedia.org)
  • The current youngest MP is Zairil Khir Johari aged 35 years, 3 months. (wikipedia.org)
  • The youngest person ever to be elected MP to a Swedish parliament is Mr Anton Abele who was only aged 18 when elected in September 2010. (wikipedia.org)
  • environmental factors
  • Height, like other phenotypic traits, is determined by a combination of genetics and environmental factors. (wikipedia.org)
  • Recent studies have found that numerous preconception or prenatal environmental factors affect the probability of a baby being conceived male or female. (wikipedia.org)
  • It has been proposed that these environmental factors also explain sex differences in mortality. (wikipedia.org)
  • research
  • Traditionally, research on g has concentrated on psychometric investigations of test data, with a special emphasis on factor analytic approaches. (wikipedia.org)
  • The natural factors that affect the human sex ratio are an active area of scientific research. (wikipedia.org)
  • reduce
  • Early reopening of an obstructed coronary artery tends to reduce the amount of damage. (speedyremedies.com)
  • Stress, one of the drawbacks of modern life, is another major factor in influencing gut health so taking steps to reduce stress in daily live will result in positive changes. (nst.com.my)
  • differences
  • The Kaiser project is also turning up new information about differences in the way men and women age. (kanw.com)
  • depends
  • The optimum age for beginning treatment depends upon the specific deformity that the orthodontist needs to correct, but the best age for evaluation of that specific deformity is usually age 7 because that is the age when both factors tend to coincide for the treatment of certain skeletal deformities. (doctorspiller.com)
  • Of course, birth weight depends a lot on gestational age at birth how many pregnant the mother is when the baby is born. (selfgrowth.com)
  • rapidly
  • Therefore, orthodontists want to time their treatments for the ages when the child is mature enough to cooperate with treatment, and also when the bone is growing most rapidly. (doctorspiller.com)
  • election
  • The age of candidacy for election to public office at federal and state level is 21. (wikipedia.org)
  • Swarbrick succeeded Todd Barclay of the National Party, who had been elected at the 2014 general election at age 24. (wikipedia.org)
  • obesity
  • Risk factors for developing breast cancer include being female, obesity, lack of physical exercise, drinking alcohol, hormone replacement therapy during menopause, ionizing radiation, early age at first menstruation, having children late or not at all, older age, and family history. (wikipedia.org)
  • years
  • The existence of the g factor was originally proposed by the English psychologist Charles Spearman in the early years of the 20th century. (wikipedia.org)
  • A 2009 review for the US Preventive Services Task Force found evidence of benefit in those 40 to 70 years of age, and the organization recommends screening every two years in women 50 to 74 years old. (wikipedia.org)
  • born in June 1987, elected at 21 years and 4 months in age. (wikipedia.org)
  • mean age
  • The present study examined BDNF as a mediator of the effects of a 1-year walking intervention on executive function in 90 older adults (mean age = 66.82). (frontiersin.org)
  • process
  • It tends to refer to the process of porting a recording from an analogue medium to a digital one, but this is not always the case. (wikipedia.org)
  • individual
  • Unless the individual has an impaired immune system, e.g., owing to HIV or cancer-related immune suppression, recurrent infections tend to be mild in nature and may be brought on by stress, sun, menstrual periods, trauma or physical stress. (wikipedia.org)
  • group
  • For example, the male to female ratio falls from 1.05 for the group aged 15 to 65 to 0.70 for the group over 65 in Germany, from 1.00 to 0.72 in the United States, from 1.06 to 0.91 in mainland China, and from 1.07 to 1.02 in India. (wikipedia.org)
  • birth
  • In terms of numbers alone, smoking is one of the most important influences on birth weight in this country, where most women of childbearing age are well nourished and in good health. (selfgrowth.com)
  • pounds
  • A baby .who weights four pounds because she or he was born prematurely at 32 weeks is at an appropriate weight for its gestational age. (selfgrowth.com)
  • A baby who is born at 32 weeks and weighs two pounds is small for that gestational age as well as premature. (selfgrowth.com)
  • major factor
  • Given the degree to which culture impacts how successful legacy organizations can be in making changes, the answers to those questions can be a major factor in the future of news. (americanpressinstitute.org)
  • faster
  • There is some argument about whether the movement of children's teeth is actually faster than that of adults, but there is no argument about the ease of movement due to the growth factor. (doctorspiller.com)
  • As every mother knows, their children grow faster at some ages than at others. (doctorspiller.com)
  • Early
  • Most MPs and Senators are elected usually only in their thirties and later but some prominent MPs have been elected rather early in life including Prime Ministers Malcolm Fraser and Paul Keating who were both elected at age 25 in 1955 and 1969 respectively. (wikipedia.org)
  • either
  • The most common and equally debilitating massive heart attack symptom is chest pain that tends to radiate to back, jaw, neck or either of the arms through nerves. (speedyremedies.com)
  • I prefer guys who are either my age or slightly older, but again, it's all about maturity level. (girlsaskguys.com)
  • It tends to be located at the back of the head, either on the affected side or in the middle, and develops gradually. (wikipedia.org)
  • general
  • The g factor targets a particular measure of general intelligence. (wikipedia.org)
  • Spearman suggested that all mental performance could be conceptualized in terms of a single general ability factor, which he labeled g, and a large number of narrow task-specific ability factors. (wikipedia.org)
  • Spearman referred to this common factor as the general factor, or simply g. (wikipedia.org)
  • instance
  • For instance, heterosexual men tend to report that red outfits enhance female attractiveness, while heterosexual females deny any outfit color impacting that of men. (wikipedia.org)
  • found
  • We found there's a big split above age 50 and it gets bigger and bigger with age until about 75 or so - a marvelous new finding nobody had ever seen before," she says. (kanw.com)
  • likely
  • In a 1999-2004 National Health and Nutrition Examination Survey of adults age 18 and over, non-Hispanic black Americans were more likely to develop pre-hypertension and hypertension than non-Hispanic whites and Mexican Americans. (eatright.org)
  • single
  • On average, every single hour of TV viewed after the age of 25 reduces the viewer's life expectancy by 21.8 (95% UI: 0.3-44.7) min. (bmj.com)
  • Using factor analysis or related statistical methods, it is possible to compute a single common factor that can be regarded as a summary variable characterizing the correlations between all the different tests in a test battery. (wikipedia.org)