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What is the electrical brain activity recorded with scalp or brain electrodes?
EEG -Electroencephalography
What role does the reference electrode play in EEG measurements and how does it impact the accuracy of the recorded brain activity?
The reference electrode in EEG measurements provides a stable point of comparison for the electrical signals detected by the other electrodes on the scalp. It helps to ensure that the recorded brain activity is accurately measured by providing a baseline for the electrical activity in the brain. This helps to minimize noise and interference, improving the accuracy of the recorded brain activity.
How do ECG leads work to measure the electrical activity of the heart?
ECG leads are electrodes placed on the skin that detect the electrical signals produced by the heart. These signals are then amplified and recorded by the ECG machine, which creates a visual representation of the heart's electrical activity on a graph.
How do you record the electrical activity of the heart?
You record the electrical activity of the heart with a machine called ECG machine. Leads are attached to the limbs and then you have chest leads put on the chest wall in different positions to produce a tracing of the electrical activity called electrocardiograph
What is the purpose of the EEG reference electrode in measuring brain activity?
The EEG reference electrode is used to provide a stable point of comparison for the electrical signals recorded from the brain, helping to accurately measure and analyze brain activity.
Activity of brain is recorded by?
emg
What does the ECG and EKG record?
ECG and EKG mean the same thing, and it records the hearts electrical activity on a 6 second strip. The physician can make a diagnosis by looking at the EKG print out. If a 12-Lead EKG is used, then all walls and function of the heart will be recorded.
What is the highest voltage ever recorded in an electrical system?
The highest voltage ever recorded in an electrical system is 1.2 million volts.
What does the medical abbreviation EEG mean?
EEG stands for electroencephalogram.it is a test used to detect epilepsy. electroencephalogram - A graphic record of the electrical activity of the brain as recorded by an electroencephalograph.Electroencephalograph.EEG stands for electroencephalogram.electroencephalogramelectroencephalogram.
Can dreams be recorded?
Not electronically. Brain activity can be recorded but it gives no indication of the content of a dream
What does it mean when they say someone is brain dead?
It means that no electrical activity is recorded on an electroencephalogram (EEG). We know that without electrical impulses in the brain it is impossible for a person to ever recover, so even if the rest of the body hasn't died yet (and it will soon) the person is said to be "brain dead."
What magnifies the heart electrical signal so that it can be recorded?
amplifier
