Sentences with phrase «painful stimuli in»

The receptor transmits other types of painful stimuli in addition to the chili's sting, and knowing where capsaicin binds narrows down the range of molecules that could prevent the receptor from sending pain impulses.

When comparing brain responses from each trial, the group identified several brain structures that were more or less active before and during the painful stimulus in those who experienced a placebo effect.

Not exact matches

The more the «volume» of a painful stimulus increases, the greater the pain, whereas pleasurable stimuli can, with an increase in «volume,» cease to be pleasant and can even become painful.

The same kind of tests performed on 14 other healthy infants, combined with heart rate measurements, confirmed this signal was specific for the painful stimuli, and did not occur because of differences in physiological arousal.

Substance P works in the peripheral system by modulating the action of certain proteins that control the ability of pain - sensing neurons to respond to «painful» stimuli.

In 2015 Oxford pediatric neuroscientist Rebeccah Slater and her colleagues published a pioneering functional magnetic resonance imaging (fMRI) study showing infants» brains respond to painful stimuli very similarly to those of adults.

In tests of pain processing by the central nervous system, physically active older adults have lower pain perception and are better able to block responses to painful stimuli, according to the new research by Kelly M. Naugle, PhD, and colleagues of Indiana University - Purdue University Indianapolis.

The scientists used the following arrangement for their experiments: Over a period of ten minutes, 41 participants in the study were given painful heat stimuli to the hand which varied in intensity throughout the duration of the experiment.

The fact that the NPY - deficient mice were no more sensitive than controls to more forceful forms of touch and painful stimuli, or even to chemicals that evoke itchiness, suggests light touch uses its own pathway in the nervous system to evoke scratching.

The scientists discovered that a class of mechanoreceptors in the skin that detect painful mechanical stimuli are part of a feedback circuit in which excitatory neurons that produce the hormone somatostatin are inhibited by neurons that synthesize dynorphin (a natural analgesic molecule that produces effects similar to opiates).

19 weeks: Fetus withdraws in response to «painful» stimuli.

EMDR therapists ask their clients to hold the memories of anxiety - provoking stimuli — for example, the painful memories of a frightening accident — in their minds.

The study focuses on the activity of the neurons located in the dorsal horn, where painful stimuli from any injured area of the body and analgesic information coming from the brain begin to be processed.

You (the lab rat) are placed in a Skinner box (the movie theater) and subjected to random negative stimuli (filmed violence, as a substitute for painful electrical jolts).

But don't forget all that prior Fed stimulus is still going to be out there sloshing about, and we actually have three other «Feds» who remain hard at work — so even in this scenario, I suspect the US market can still forge its way higher, albeit at a more hesitant & painful pace...

The release of catecholamines in response to a painful stimulus results in tachycardia, hypertension, and an increase in oxygen consumption by the myocardium.

When touched or groomed in these areas, Molly reacts aggressively towards the painful stimulus.

While there is at this time no clear explanation for chronic pain, recent work on the nervous system suggests that it may result from pathological changes in the nervous mechanisms that result in pain continuing and non-painful stimuli being perceived as painful.