Sentences with phrase «adaptive changes in»

Findings of this investigation suggest that decreasing the stressors associated with parenting, particularly for fathers, may be an effective means of promoting more adaptive changes in parenting behaviors over time.

Interestingly, however, the relationship between family conflict and parenting change was in the direction opposite of prediction, such that higher levels of family conflict at T1 were associated with more adaptive changes in parenting during the adolescent transition.

It was hypothesized that higher levels of T1 marital adjustment and lower levels of T1 family conflict would be associated with adaptive parenting at T1, as well as adaptive changes in parenting during the adolescent transition.

Dulloo AG, Girardier L. Adaptive changes in energy expenditure during refeeding following low - calorie intake: evidence for a specific metabolic component favoring fat storage.

The main hypothesis includes a stress preconditioning response mechanism, in which it is believed that periods of nutrient deprivation displays a beneficial mild stress that results in molecular adaptive changes in various tissues, which increases the organism's resistance to bigger stressors such as excitotoxic and oxidative injury, including ischemia (33,71).

They designed a study «to compare the adaptive changes in muscle size, contractile strength, and MHC (fiber type) composition evoked by resistance training performed at either low or high contraction intensity (i.e. low or high reps) while equalized for total loading volume»

«Addiction occurs when adaptive changes in the brain cause symptoms of tolerance, sensitisation, dependence and withdrawal,» (Leuenberger, 2006).

Some 20 upper Paleolithic sites (ranging from 42 to 30 kya) in southern Siberia, below 55 ° latitude, demonstrate adaptive changes in hominid technology (Goebel 1999:213).

Adaptive changes in adipocyte gene expression differ in AKR / J and SWR / J mice during diet - induced obesity.

Adaptive changes in adipocyte gene expression differ in AKR / J and SWR / J mice during diet induced obesity.

Thus, these data were insufficient to describe the adaptive changes in autophagy - linked molecules within sarcopenic muscle.

«We found that smooth muscle cells in the arteries of the diaphragm do undergo adaptive changes in response to exercise training,» Laughlin said.

Macroevolution posed a problem to Darwin because his principle of descent with modification predicts gradual transitions between small - scale adaptive changes in populations and these larger - scale phenomena, yet there is little evidence for such transitions in nature.

«In addition, we believe that the enlarged ovipositor was a secondary acquisition — comparable to the adaptive change in the morphology of the teeth in mammals, which was also initiated in response to an alteration in diet.»

However, only a small proportion has been replicated across studies, and the prevalence of positive selection as a mechanism of adaptive change in humans remains controversial.

But I am convinced that human societies will continue to be capable of adaptive change in the face of massive challenges, and that at this time in history, the powers of humanity have never been greater to do so.

Not exact matches

Autopilot includes several features like an automatic steering function that helps drivers steer within a lane, adaptive cruise control that maintains the car's speed in relation to surrounding traffic, and an auto lane change feature that is supposed to move the vehicle into an adjacent lane automatically when the turn signal is activated — but only when it's safe to do so.

More surprisingly, several «best - and - brightest» EMBAs are earning their MBAs in their 50s — a trend that signifies the flexibility of the format as much as it foreshadows lengthening career spans and changing business dynamics that require more adaptive skills.

In his recent best seller, Alvin Toffler argued that many among us are already suffering from «future shock,» an illness with both physical and emotional symptoms resulting from exposure to change beyond the adaptive capacities of the human system.

Say we have a population of animals which has to meet some new challenge offered to it by an altered environment; there may be some individuals in the population whose development is changed by the environment in a way which makes them better able to deal with the challenge — they show a capacity for adaptive modification.

But thanks, in part, to the Erie County Industrial Development Agency's adaptive reuse program, that's changing for many neighborhoods.

«This study provides insight into the stepwise evolution of an ecologically important trait (resistance to prey toxins), and revealed that the adaptive benefit of changes to individual components of the trait were contingent on antecedent changes in other components,» said Jay Storz, the Susan J. Rosowski Professor of Biology at the University of Nebraska who was not involved in the research.

Feinberg, who is also a Bloomberg Distinguished Professor of Engineering and Public Health at The Johns Hopkins University, suspected that this variation might be an adaptive feature by which built - in epigenetic randomness would give some cells an advantage in rapidly changing environments.

Even if researchers can pick the signals from the noise, they will then have to work out what the epigenetic changes do, and whether they are in fact adaptive — a tall order given how little we know about interpreting epigenetic signals even in modern DNA.

Until now, changes in the relative proportion of rare mutations, that could be both detrimental and adaptive, had only been shown over relatively long timescales, by comparing African and European populations.

If anything the evidence indicates that the great cognitive achievement in human evolution was cortical plasticity, which allows for rapidly adaptive changes to the environment, both across evolutionary time and [across] individual lifetimes.

It is becoming increasingly clear that sleep plays an important role in these adaptive changes.

«I can not think of another example [of adaptive behavioral changes] as specific as this one,» Edward Levri, who has studied behavioral changes in parasite hosts but was not involved in this study, wrote in an e-mail.

«Our findings illustrate how adaptive humans were nearly 14,500 years ago in a period of climatic change: Wild sheep offered the Natufian and later Pre-Pottery Neolithic populations one of a myriad of resources that could be exploited during the Late Pleistocene even in this more marginal environment beyond the Mediterranean zone.

That both telescopes could conceivably glimpse Proxima b at all is due to the planet's proximity as well as adaptive optics — computer - controlled deformable mirrors that change their shape 1,000 or 2,000 times a second to correct in real time for the turbulent air.

The first is changes to the environment that significantly alter habitat, in effect» «altering the rules of the game,»» as Arens puts it, so that physical characteristics and behavior that once proved adaptive for certain organisms — dinosaurs, for instance, that relied on flowering plants for food — no longer work as well.

Evolution and economics are not just analogous to each other, but they are actually two forms of a larger phenomenon called complex adaptive systems, in which individual elements, parts or agents interact, then process information and adapt their behavior to changing conditions.

Whiting, now a doctoral student at the University of Minnesota, describes the alligator as a survivor, withstanding sea - level fluctuations and extreme changes in climate that would have caused some less - adaptive animals to rapidly change or go extinct.

Kingsley's research has shown that these adaptive changes are often driven by changes in the regulatory regions that surround and control gene expression, rather than within the coding regions of the genes themselves.

Maintenance of biodiversity in a rapidly changing climate will depend on the efficacy of evolutionary rescue, whereby population declines due to abrupt environmental change are reversed by shifts in genetically driven adaptive traits.

The PACE trial, published in The Lancet in 2011 [2], examined the effects of three different treatments for people with CFS, compared with usual specialist medical care (SMC): cognitive behaviour therapy (CBT, where a health professional helps the patient to understand and change the way they think about and respond to their symptoms), graded exercise therapy (GET, a personalised and gradually increasing exercise programme delivered by a physiotherapist), and adaptive pacing therapy (APT, where patients adapt activity levels to the amount of energy they have).

The researchers also used the genome to track down the genes involved in adaptive coloration, which allows the octopus to change its skin color and texture in order to blend into its environment and escape predation.

«They provide us with an echo of real ecological processes, like adaptive radiations, when an organism rapidly diversifies due to a change in environment or to fill a new niche,» O'Dwyer said.

And what we did is, in order to figure all this out, sort of trace the path of evolution, we did a whole bunch of sort of, swapping experiments, where we swappedGAL1 for GAL3and we swapped the ancestral protein type of protein in for GAL1or for GAL3, and we even swapped the GAL1and GAL3in for the ancestral protein, in another yeast that didn't have the duplication take place; and from this whole series of experiments, we really expected to find out pretty much how the proteins have changed; and the surprise was that most of [the] adaptive change that had taken place wasn't in the protein, it was in how the two genes were regulated.

Renner and Chomicki therefore assume that the change in the size of access holes with altitude represents an adaptive response to the change in the composition of prospective tenants.

Changes in fauna, landscapes, and climate were associated with novel adaptive behaviors in the earliest Homo sapiens.

«Forward - looking analysis, in conjunction with adaptive management, will ensure that the CERP is based on the latest scientific and engineering knowledge and is robust enough to handle changing conditions.»

Shine says that the findings are yet another example of rapid adaptive evolutionary change in action.

Adaptive evolution, i.e. genetic change via natural selection, plays a central role in how plant and animal populations guarantee their long - term survival.

Adaptive measures for developed countries may be implemented in time, but many nations in the world will be vulnerable to runaway climate change.

An international scientific team led by University of Montana Professor L. Scott Mills has set out to discover whether adaptive evolution can rescue these animals in the face of rapidly changing climate.

The effects of these deleterious mutations in humans and chimpanzees are probably either inconsequential or else they are compensated by adaptive changes elsewhere in the genome, Keightley says.

The Intelligent Flight Control System — designed for both military and civilian planes — is adaptive onboard software that responds to changes in stability, helping pilots keep control when planes are damaged or systems fail unexpectedly.

«It is essential that we designate the harbingers of abrupt and significant changes or, perhaps more importantly, the triggers and thresholds that could commit the planet to these changes well before their tell - tale signs appear,» says economist and IPCC author Gary Yohe of Wesleyan University in Middletown, Conn. «We can not accept the adaptive design completely without having confidence in our abilities to determine exactly what to monitor.»

«Understanding which genes are involved in transgenerational acclimation, and how their expression is regulated, will improve our understanding of adaptive responses to rapid environmental change and help identify which species are most at risk from climate change and which species are more tolerant,» Dr Veilleux says.