Concerning the Relationship Between Reaction Time, Brain Functions, and IQ

question 436

Multiple Choice

Concerning the relationship between reaction time, brain functions, and IQ, which of the following statements is FALSE?​

• A) ​People with higher intelligence tend to have faster reaction times.
• B) ​Brain images reveal that parts of the frontal cortex are larger in people with higher IQs.
• C) ​Brain areas that control higher mental abilities usually become less active during reaction time testing.
• D) ​Noticeable differences between younger and older participants in a brain imaging study suggest that the way the brain expresses intelligence changes as we age.

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Definitions:

Amplification

In a biological context, the process by which a signal is intensified, as in the enhancement of a signal in a biochemical pathway.

Sympathetic Neurons

Neurons that are part of the sympathetic nervous system, responsible for the body's 'fight or flight' response.

Neural

Pertaining to the nerves or the nervous system.

Autocrine

Relating to or denoting a mode of hormone action where a hormone affects the same cell type that produced it.