Which Functional Neuroimaging Technique Is Based on Measuring Changes in Blood

question 54

Multiple Choice

Which functional neuroimaging technique is based on measuring changes in blood flow associated with brain activity and relies on the introduction of a radioactive substance into the blood?

• A) diffuse optical tomography
• B) electroencephalography
• C) magnetoencephalography
• D) positron emission tomography

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Definitions:

Levels

Distinct categories or values that independent or dependent variables can take in a study or experiment.

dfWG

Degrees of freedom within groups, a concept in statistical analysis that represents the number of independent pieces of information available to estimate a parameter or calculate a statistic within a subset or group.

Degrees of Freedom

The total amount of discrete variables or numbers that are able to fluctuate within a study without breaking any limitations.

Factor B

A variable or condition that is manipulated or varied in an experiment, considered distinct from other variables or conditions.