A Key Disadvantage of the Electrical Stimulation Technique Is That

question 56

Multiple Choice

A key disadvantage of the electrical stimulation technique is that

• A) it cannot be used to inactivate neurons.
• B) the procedure cannot be used in live animals.
• C) behavioral changes are rarely noted after electrical stimulation of the brain.
• D) the stimulation does not always duplicate natural neural processes.
• E) it is more expensive than is the chemical stimulation technique.

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Definitions:

Factorial Design

A type of experimental design that allows researchers to examine the effects of two or more variables simultaneously by changing them together instead of independently.

Independent Variables

Factors deliberately manipulated by researchers to investigate their effect on dependent variables.

Dependent Variable

In research, it is the variable being tested and measured for change, to see how it responds to variations in the independent variable.

Systematic Variance

The portion of variation in an outcome that can be consistently explained by variables or factors in a study.