Sentences with phrase «measuring electrical changes»

This sensor measures the electrical changes stemming from touch: The largest change is toward the top while the smallest change resides at the bottom of the clip due to the thickness of the interior and exterior materials.

Not exact matches

• The scanning tunnelling microscope measures changes in electrical current between the probe tip and the atoms on a sample surface.

Also there is evidence of molecular mechanisms in the cell membranes that can amplify small changes in the field to produce large changes in neural activity.13 On the other hand, earlier tests of Kohler's theory found that interference with electrical gradients over the cortex had no effect on behavioral measures (see note 11 for reference to these studies).

A century ago, Swiss psychologist Carl Jung used a crude galvanometer and electrodes attached to patients» hands to measure changes in electrical resistance on the skin of patients during various word - association experiments.

It has been particularly difficult to measure changes in electrical functions of cells grown within Organ Chips that are normally electrically active, such as neuronal cells in the brain or beating heart cells, both during their differentiation and in response to drugs.

They first isolated a buckyball on a metal surface with a scanning tunneling microscope (STM), which images the atomic contours of a surface by measuring changes in the electrical current that travels between the surface and an ultrasharp tip that scans across it.

«We find the conditions for brines to be produced, but if you want to measure them directly you need some other kind of measurement,» he says, such as an instrument that can look for changes in electrical conductivity.

Another component senses changes in the electrical current flowing through the generated sweat, which measures alcohol levels and sends them to the user's cell phone.»

The researchers then measured cell composition and electrical activity again and found that the cells dramatically changed when they were in contact with neurons from different regions.

Nanopores are miniscule holes (often as small as a few billionths of a meter) that measure a change in electrical current as molecules pass through them.

Cell - based biosensors measure changes in cell cultures via electrical signals.

Just three to five minutes spent looking at views dominated by trees, flowers or water can begin to reduce anger, anxiety and pain and to induce relaxation, according to various studies of healthy people that measured physiological changes in blood pressure, muscle tension, or heart and brain electrical activity.

To compare hearing ability in former musicians to people who never played an instrument, researchers measured the electrical brain activity produced by a type of auditory processing called «neural timing,» which enables people to respond to split - second changes in sound such as the transition from a consonant to a vowel.

At the same time, she measured electrical signals in neighboring neurons using microelectrodes that can record small voltage changes across a neuron's membrane.

Across 21st Avenue, in the department of special education at Peabody College, Paul Yoder has applied event - related potential (ERP), a way of measuring how the electrical activity of the brain changes in response to thoughts or perceptions, to evaluate ways to help children overcome language delays.

Another study found that earthing changed the electrical activity in the brain, as measured by electroencephalograms.

Once a month, researchers from three Tokyo universities measured changes in the affected muscles and tendons, using high - voltage electrical stimulation, ultrasound, MRI and other techniques.

In some cases, you can decide to use the ones that are designed to be worn and are mostly used to detect your body's motion and change it into electrical energy and later interpret it into units for measuring the amount of calories your body burns.

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

However, he noted that for the plan to be effective, other changes across the board have to be made, citing the example of free electricity given to farmers who add to the problem by overdrawing the supply of groundwater through electrical pump sets.On top of privatization measures, Singh encouraged local governments to take an active role in determining local needs and strategies for water conservation, drawing on the large South Indian metropolis of Chennai as a prime example: «We have the impressive example of Chennai city that had a city - based, neighbourhood - based strategy.

To improve the reliability of reported sea water temperature observations, a change to an electrical resistance or thermistor thermometer, specially designed and installed to measure the sea water temperature and having a remote indicator on the ship's bridge, is recommended.