Which Two Procedures Allow Researchers to Visualize Changes in Brain

question 140

Multiple Choice

Which two procedures allow researchers to visualize changes in brain activity over time?

• A) PET scan and CT
• B) PET scan and fMRI
• C) MRI and fMRI
• D) CT scan and MRI

---

Definitions:

Sensitivity To High-Frequency Sounds

The ability or capacity of the auditory system to detect sounds at higher pitches, which can vary among individuals.

Physical Changes

Alterations in the physical state or properties of a substance or organism, usually observable.

Adults

People who have reached the age of maturity, typically associated with the completion of physical growth and the assumption of societal roles of responsibility.

30s

Likely refers to the decade of life from age 30 to 39, which can be significant in terms of career, family, and personal development, though it's not a standard psychological key-term without further context.