If a researcher wanted to determine a receptor system's role in the CNS, which experimental method would he or she use?

A) drug manipulations
B) anatomical brain imaging
C) functional brain imaging
D) epigenetics

CNS

The central nervous system, comprising the brain and spinal cord, responsible for processing and coordinating sensory information and responses.

Receptor System

A collection of receptors that work together to receive and transduce signals in a cellular or biological system.

Drug Manipulations

The alteration of pharmacological responses, often in research or therapeutic settings, to understand the effects of substances on biological systems.