How Is Desynchronization of the Alpha Waves Observed in the EEG

question 1

Multiple Choice

How is desynchronization of the alpha waves observed in the EEG, when a person with eyes closed suddenly opens them?

• A)The amplitude of the alpha wave increases.
• B)The frequency of the alpha wave increases.
• C)The amplitude of the alpha wave decreases.
• D)The frequency of the alpha wave decreases.
• E)The alpha waves stop, as shown by an amplitude and a frequency of 0.

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Definitions:

Variance

The average of the squared differences from the Mean, measuring the spread between numbers in a data set.

Point Estimate

A single value or statistic that serves as the best guess or most probable value of an unknown population parameter.

Population Parameter

A numerical value that summarizes a characteristic of an entire population.

Random Sampling

A method in statistical analysis where individuals or items are selected from a larger population entirely by chance, ensuring that every member has an equal opportunity of being chosen.