Sentences with phrase «changes in blood flow as»

Brain response was gauged by functional MRI, which measures changes in blood flow as a proxy for neural activity.

Scientists already employ fMRI, which uses changes in blood flow as a proxy for brain activity, to scan the brains of restrained monkeys, but Berns wanted to train dogs to willingly enter the machine and learn simple things, such as associating a hand signal with a reward of a hot dog, all the while staying still enough to collect interpretable brain scans.

«Using this method we are able to see a change in the blood flow as early as four weeks after treatment.

Not exact matches

Using functional magnetic resonance imaging to measure changes in blood flow, she found that as people received more information, their brain activity increased in the dorsolateral prefrontal cortex, a region behind the forehead that is responsible for making decisions and controlling emotions.

We are changed as we seek to imitate Christ and, more, to be merged with him, to be blood brothers in the ancient sense and have his sweet life flow through us as sap through a vine.

As the heart starts pumping a primitive blood - like fluid around the body of an embryo, the change in pressure from the flowing liquid is the cue for cells lining the aorta to change first into blood stem cells, then into all blood - cell types in the body.

Specializing in research on modafinil, Minzenberg has captured the drug in action through functional MRI (fMRI) scans, which map brain activity through changes in blood flow and oxygenation as subjects engage in particular mental processes.

Changes in blood flow pattern, such as from plaque build - up in the arteries, initiate a cascade of conflicting signals.

As in fMRI, scientists use these changes in blood flow to approximate electrical activity in neurons.

The fast fMRI was able to detect the subtle and very rapid oscillations in cerebral blood flow in the brain's visual cortex as the volunteers observed the changing pattern.

For example, the flow conditions would change and the protein corona would be different in a patient with different blood pressure troubles as compared to a healthy person.

I am proposing a demanding criterion: that you be able to detect abnormalities in patients beforehand by such brain - imaging techniques as functional MRI [which measures blood flow in the brain], and then use imaging to see whether or not there is a change in those markers for the disease as the therapy progresses.

Using an optical fiber implanted in that region, the researchers were able to stimulate the primary motor cortex near where the stroke had occurred, and then monitor biochemical changes and blood flow there as well as in other brain areas with which this region was in communication.

These may include alterations in blood flow regulation, as well as changes in the ocular immune system.

Cold - water immersion induces significant physiological and biochemical changes in the body such as an increase in HR, BP, metabolism, and peripheral catecholamine concentration; and decrease in cerebral blood flow.

The researchers investigated changes to arteries as well as blood flow after forty five minutes of moderate intensity resistance exercise making use of equipment like that normally used in fitness centers.

When women's estrogen levels decrease during menopause, blood vessels can become rigid and less responsive to changes in blood flow and blood flow - altering mediators such as nitric oxide.

The effects of neck - lock include: «helps to bring an internal focus for the practitioner «sealing the energy that is created in the upper brain stem area «stabilizes blood pressure that can change due to exercise and breathing «acts as a safety valve, regulating the pressure and reducing dizziness «creates nerve reflexes that balance / stimulate the thyroid and parathyroid glands «allows the flow of energy to remain natural and calming to the heart «Moon center energy is contained in the chin «increases the concentration of secretions from the pituitary gland «allows a new interrelatedness between the glands How do you know?

Internal factors such as decreases in blood flow and changes in hormone levels cause the skin to lose its volume and elasticity, leading to sagging and wrinkles.

The veterinarian will be looking for changes in the lung sounds, respiration rates or quality, heart sounds (both rhythm and blood flow sounds), chest compressibility, signs of fluid accumulation in the chest or abdomen, and the size of such organs as the liver.

Changes may occur in blood pressure, and the heart may enlarge as it tries to make up for the abnormal blood flow, ultimately leading to heart failure in most cases.»

It reveals tiny changes - from the rippling of a woman's stomach as a baby moves inside, the actual way the blood flows in the human body, how fast your heart is beating, to the wobbly motion of your eyeballs inside of your skull, vibrations of individual guitar strings.