Signal Averaging Is Commonly Used in the Recording of ERPs

question 95

Multiple Choice

Signal averaging is commonly used in the recording of ERPs because it reduces the magnitude of

• A) large signals.
• B) sensory evoked potentials.
• C) random signals.
• D) the P300.
• E) far-field potentials.

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Definitions:

Probability Density Function

A function that describes the relative likelihood for a random variable to take on a given value.

Continuous Random Variable

A type of random variable that can take an infinite number of possible values, often representing measurements on a continuous scale.

Standard Normal Probability Distribution

A type of normal distribution with a mean of 0 and a standard deviation of 1, used in statistics to standardize scores.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, used to indicate the spread of a distribution.