Brain Scan Studies with Drug Users

question 18

Multiple Choice

Brain scan studies with drug users

• A)can show which people have developed dependence and which have not.
• B)can predict which people will later develop dependence.
• C)so far can only show changes in response to drug administration.
• D)are very strong predictors of alcohol use,but not for other substances.

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Definitions:

Truth Table

A mathematical table used in logic to determine the validity of a proposition's truth values under various possible combinations of truth values for its components.

Antecedent

In logic, the first part of a conditional statement; the condition in "if-then" statements.

Truth Values

The valuation in logic that indicates whether statements are true or false.

Truth Table

A mathematical table used in logic to compute and display the truth values of logical expressions based on their logical operators.