Sentences with phrase «brain signals generated»

The device uses brain signals generated in the motor cortex to control a computer mouse directly, allowing him to communicate.
«By taking the brain signals generated when Bill attempts to move, and using them to control the stimulation of his arm and hand, he was able to perform personal functions that were important to him,» said Bolu Ajiboye, assistant professor of biomedical engineering and lead study author.

Not exact matches

Because of its ability to finely tune the signals it generates, an MRI can also show softer, more intertwined tissues — such as in the brain, spinal cord and musculoskeletal system — in rich detail.
Electrical signals between neurons generate electric fields that radiate out of brain tissue as electrical waves that can be picked up by electrodes touching a person's scalp.
In nerve cells, opening ion channels is a crucial step in generating action potentials — the signals by which the cells communicate in the brain.
Based on the strength of fluorescence in the cubes, they generated a 3D map of how each of the 469 different signals spread through the brain's thoroughfares and quieter byroads.
As signals are sent from one cell to the next, rhythmic patterns of electrical activity, commonly known as brain waves, are generated.
The human brain uses sensory signals to maintain and update internal representation of the body, to plan and generate movements and interact with the world.
Our brains generate the same reward signals when we conquer any challenge, big or small, so I take on smaller challenges outside of work.2 My daily physical workouts are diverse — running, yoga, Pilates, strength training — and I progress by focusing on today's form and peak performance.
A key problem has been separating these precise brain signals from those associated with other brain activity, and the highly artificial signals generated by the exoskeleton.
For example, people living with quadriplegia who try to move their arm still generate arm - movement signals in the motor cortex of their brain, even after several years of paralysis.
Although the scientists can't assume hospitalization is directly causing suicide, they say their work backs up a hot theory that inflammation — one of the body's main defenses against infection — influences depression by generating a chemical that interferes with brain signaling.
To signal which direction to move, the researchers generated a phosphene through transcranial magnetic stimulation, a well - known technique that uses a magnetic coil placed near the skull to directly and noninvasively stimulate a specific area of the brain.
In a healthy brain, this signalling mechanism is active and inhibits the conversion, and, consequently, the astrocytes do not generate nerve cells.
Human and animal movements generate slight neural signals from their brain cells.
And we use the neural data from her brain and the map of her brain signals we've generated to understand what she's trying to do and make that happen.
«The [pain] signal might get generated by sodium channel 1.7, but it does not get sent to the brain by 1.8,» Rowe says.
18 healthy volunteers were monitored by using EEG to measure the electrical activity generated by their brains» neurons (the signalling cells) while simultaneously recording fMRI measurements.
In these instances, some form of input needs to be generated that replaces the signals that combine sensory perception with motor control and the brain needs to «learn» what these new signals mean.
This state of arousal involves neurons in the fly's brain that respond to the female's chemical signal and generate self - sustaining patterns of brain activity that persist well beyond the original sensory input.
Theta waves generate the theta rhythm, a neural oscillatory pattern in electroencephalography (EEG) signals, recorded either from inside the brain or from electrodes glued to the scalp.
Due to the density of its neural layers, the hippocampus generates some of the largest EEG signals of any brain structure.
The excitatory and inhibitory signals from all six semicircular canals are combined in the brain to generate reflexive movements that help to stabilize the eyes and head when the body is in motion [2].
Overall, the study found, older and younger brains had similar numbers of «intermediate» progenitor cells and «immature» neurons — signaling that older people had a similar capacity for generating new cells as young people.
They play important roles in generating energy for cells, transporting signals to and from the brain, muscle contractions, and more.
The affected brain areas identify danger, generate worry signals, and dictate how we respond to those emotional red flags.
As she finds herself sitting alone in the cave in darkness, she contemplates the profound signifying power of the spiraling shapes she sees not only on the walls before her flame goes out but also in front of her eyes, a result of her brain generating visual signals in the pitch black.
For example, in psychiatric pathologies, the rest of the brain either does not listen to what the signals from the prefrontal cortex are saying, or the prefrontal cortex is not generating the right signals, or they may be too weak to influence behavior.
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