If a Researcher Applies Scalp Electrodes to Get Measurements of Brain

question 145

Multiple Choice

If a researcher applies scalp electrodes to get measurements of brain activity,the researcher is using:

• A) PET scans
• B) fMRIs
• C) EEG recordings
• D) transcranial magnetic stimulation

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Definitions:

Symmetric

A characteristic of shapes or patterns that are identical on both sides when divided by a central line or axis.

Skewed

A description of data in which the distribution is not symmetrical, but instead has a longer tail on one side of the peak or the other, indicating an asymmetry.

Median

The value separating the higher half from the lower half of a data sample, a population, or a probability distribution.

Test Performance

Evaluation of the effectiveness or efficiency of a test, often measured in terms of accuracy, speed, or comprehensiveness.