The ________ Signal Shows Differences in Brain Activity Levels in One

question 7

Multiple Choice

The ________ signal shows differences in brain activity levels in one condition versus another condition in an fMRI experiment.

• A) electroencephalographic (EEG)
• B) transcranial differential (TD)
• C) blood oxygen level dependent (BOLD)
• D) perfusion imaging (PI)

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Definitions:

Median

The middle value in a data set, separating the higher half from the lower half, providing a measure of central tendency that is not influenced by extreme values.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, such as the mean, median, or mode.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.

Bimodal

A distribution with two different modes or peaks.