The First Technique Used to Visualize a Living Human Brain

question 24

Multiple Choice

The first technique used to visualize a living human brain was that of

• A) computerized tomography.
• B) microdialysis.
• C) magnetic resonance imaging.
• D) single-unit recording.
• E) PET scans.

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Definitions:

Qualitative Data

Data that is descriptive and conceptual, often categorized based on qualities and characteristics that are not numerical.

Chi-squared Test

An analytical test designed to evaluate whether there's a significant discrepancy between frequencies observed and those anticipated in various categories.

Contingency Table

A table used in statistics to display the frequency distribution of variables, showing the observed number of cases in each category.

Nominal Data

Data categorized without a natural order or ranking among the categories, such as gender or race.