Sentences with phrase «by a feedback loop»

«A further sell off in rates will be held in check by the feedback loop from equity markets.»
It is fueled by a feedback loop: rising global temperatures are melting Arctic sea ice, leaving dark open water that absorbs more solar radiation, and that warms the Arctic even more.
I believe that causality is circular and that our responses are shaped by feedback loops or cycles of interactions.

Not exact matches

Ideally, it also creates a kind of feedback loop whereby guests attend a function catered by the Stop, learn about the organization and, intrigued by its work and the great food they're enjoying, hire the Stop themselves or become a donor — or both.
The growing use of ETFs by institutions is a key part of that self - reinforcing feedback loop.
Predictably, the trend has propagated by opportunistic publications (whose revenues are driven by sponsorships and advertising)-- which creates a feedback loop of negative speculation / reaction, and the spread of FUD.
One problem is that dangerous levels of climate change are exacerbated by positive feedback loops — changes that release more greenhouse gases from nature due to warming driven by humans.
Negative Feedback Loops «The steepness of the yield curve holds a long - standing correlation with currency weakness,» a report by Bank of America Merrill Lynch global research says.
Closing the feedback loop and addressing the issues reported by customers has a considerable impact on a business» growth.
«At the bottom is a negative feedback loop, with kids raised by single mothers in unstable, low - investment homes finding themselves unable to adapt to today's economy and going on to create more unstable, single - mother homes.»
Using terms more easily understood by our technological - industrialized generation, Illich speaks of the «counter intuitive behavior of large systems» and the «self - reinforcing loop of negative feedback
Down on the visceral level, they are guided by the closed feedback loops of homeostatic regulations.
Dunn's book is compassionate and reasonable, and I wish I'd read it in 2014, when I had just had my second kid and was entering into a feedback loop with my husband fed by my own negativity.
All of us doing the same thing... getting a slice of all things, but really riding such a fine line, brought to such odds by a two - year election cycle on an endless media feedback loop, by a two - sided government that seems surprised our nation has ended up so.
Moreover, the process of democratization is more important which means how the system evaluates itself, gets feedback (See «feedback loop» in the theory of political systems by David Easton) and use it as demand or support to correct itself.
It's a self - reinforcing cycle, a feedback loop sparked by Trump himself but encompassing thousands of citizens, journalists, bloggers and activists, with millions more watching.
«The feedback loop created by this enzyme would become a venomous vortex and dramatically accelerate the effects upon the blood.»
Within individual SCN cells, specialized clock genes are switched on and off by the proteins they encode in a feedback loop that has a 24 - hour rhythm.
The study authors suggest that this positive feedback loop may have served an important role in evolution, by prompting animals to fatten up when they stumbled across calorically dense food in times of food scarcity.
The work by James Screen and Ian Simmonds at Australia's University of Melbourne echoes earlier studies that identified the same basic feedback loop.
He focused on one of the most important ways in which engineers make things more robust: by adding feedback loops.
Doyle demonstrated that this behavior takes place through a series of feedback loops inside the bacterium, akin to the feedback loops that keep an airplane on autopilot steady even as the plane is buffeted by gusts.
Outside of the brain, cytokines are released by immune cells fighting infections, and they can alter MHCI expression in a complicated feedback loop.
A similar mechanism may be employed by many other enzymes operating on chromatin, given that they contain similar components of a feedback loop.
The study, «AKR1B1 promotes basal - like breast cancer progression by a positive feedback loop that activates the EMT program,» which has been published in The Journal of Experimental Medicine, suggests that an inhibitor of this enzyme currently used to treat diabetes patients could be an effective therapy for this frequently deadly form of cancer.
The paper also describes an atmosphere - ocean modeling study of feedback loops caused by ice sheet melting under 2 °C conditions.
The real culprits are two feedback loops created by the melting itself.
«The inhibition of KinA by 0F results in a «negative feedback loop,» which means the circuit output works to counteract the input that triggers it,» said Narula, co-lead author of the study.
This new research demonstrates a positive feedback loop between the proteins expressed by these genes that promote GBM growth and survival.
Global shippers entering Arctic waters might create another feedback loop, according to a tally of ship - generated pollution completed last year by the National Oceanic and Atmospheric Administration.
If the audio output from the speaker is received again by the microphone, the initial audio signal is strongly amplified in a positive feedback loop.
This means that (1) animals are directly involved in an oxygen - regulating cycle or feedback loop that has previously been overlooked, and (2) we can directly test the idea (despite the uncertainties associated with looking so far back in time) by looking for a decrease in ocean oxygenation in conjunction with the spread of bioturbation.
For example, when the temperature falls, the temperature - dependent current source will charge slower, and the feedback loop compensates by switching to a smaller capacitor, which dictates a particular digital readout.
The neuron may in turn encourage or suppress firing by some of those same cells in complex positive - or negative - feedback loops.
A built - in digital feedback loop equalizes the charging times by reconnecting the temperature - dependent current source to a capacitor of a different size — the size of this capacitor is directly proportional to the actual temperature.
As Qian honed China's weapons systems, scientists in North America and Europe began applying systems approaches to intractable policy problems, modeling them as a collection of inputs and variables linked by direct or inverse relationships and feedback loops.
Bringing together the observed macaque behavior and environmental conditions, we interpret the variation seen in macaque stone tool selection and shellfish characteristics on Koram and NomSao Islands as the result of a feedback loop driven by the level of predation pressure.
Establishment of a robust single axis of cell polarity by coupling multiple positive feedback loops.
JCAP researchers are very encouraged by the success of their theoretical work and experimental synergistic efforts and the positive feedback loop that is now established between the JCAP high - throughout experimental pipeline and parameter - free, first - principles theory.
This system evaluation creates a constant feedback loop such that requirements are always science - driven and informed by societal needs.
In practise the estimated covariance function of the joint output / input signal obtained by a closed loop experiment will [b] never [/ b] have the structural properties associated with the feedback system.
«Some feedback loop or other processes that aren't accounted for in these models — the same ones used by the IPCC for current best estimates of 21st Century warming — caused a substantial portion of the warming that occurred during the PETM (Palaeocene - Eocene thermal maximum of 55 million years ago)», oceanographer Gerald Dickens, a professor of Earth science at Rice University and study co-author said.
Elowitz and Gurol Suel, then a postdoctoral researcher in Elowitz's lab, discovered that the decision to become competent is governed by random gene activity, which in turn triggers a positive feedback loop.
By using a feedback loop to control the height of the tip above the surface — thus maintaining constant laser position — the AFM can generate an accurate topographic map of the surface features.
These mechanisms include positive feedback loops of activation by the SOX9 protein.
We could even enhance this feedback loop by creating artificial reefs and by reducing fishing trawling along the seabed in polar regions.
Interestingly, BDNF expression was found to be regulated by FNDC5 in a cell - autonomous manner, and recombinant BDNF treatment led to the decreased expression of FNDC5 as part of a negative feedback loop.
As summarized by geoscientist James Kasting in his 2010 book «How to Find a Habitable Planet»,» [h] abitable zones around Sun - like (F, G, and Early K) stars should be relatively wide because of the natural feedback between atmospheric CO2 [carbon dioxide] levels and climate — the same feedback loop that kept the Earth habitable early its history.
Backing up Kraftsow's notion are several psychological studies citing an expression - emotion feedback loop that produces feelings of calm and pleasure when triggered by a smile.
The Hypothalamic - Pituitary - Adrenal (HPA) axis is a feedback loop by which signals from the brain trigger the release of hormones, such as cortisol, needed to respond to stress.
a b c d e f g h i j k l m n o p q r s t u v w x y z