In One Study in Which the Brains of Adolescents Were

question 61

Multiple Choice

In one study in which the brains of adolescents were scanned while playing Wheel of Fortune found that:

• A) adolescents making riskier decisions had less brain activity in the prefrontal cortex.
• B) adolescents making riskier decisions had more brain activity in the prefrontal cortex.
• C) adolescents making less risky decisions had no brain activity in the prefrontal cortex.
• D) adolescents making less risky decisions had less brain activity in the prefrontal cortex.

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Definitions:

Standard Deviation

An indicator of how spread out or scattered a collection of numbers is, showing the degree to which these numbers differ from their average value.

Variability

The extent to which data points in a statistical distribution or dataset differ from the average or mean value.

Median

The middle value in a sorted, ascending or descending, list of numbers.

Mean

The average value of a set of numbers, calculated by dividing the sum of all the values by the count of the values.