In Which of the Following Ways Does Functional Magnetic Resonance

question 152

Multiple Choice

In which of the following ways does functional magnetic resonance imaging (fMRI) detect the functioning of the brain?

• A)It exploits changes in blood oxygen that occur in association with brain activity.
• B)It measures the amount of glucose in various areas of the brain.
• C)It studies the brain only when the brain is active.
• D)It establishes a cause-effect relationship between variables associated with brain activity.

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Definitions:

Dispersion

A measure of the spread or variability of a set of values within a dataset.

Histogram

A graphical representation of the distribution of numerical data, using bars of different heights to show the frequency of data intervals.

Bimodal

Describes a distribution having two distinct peaks or modes, indicating the presence of two dominant groups or values within the dataset.

Coefficient Of Variation

A uniform metric for assessing the spread of a probability distribution or frequency distribution, determined by dividing the standard deviation by the mean.