An amplified recording of the waves of electrical activity that sweep across the surface of the brain is called a(n)

A) fMRI.
B) EEG.
C) PET scan.
D) MRI.

Electrical Activity

The movement of electrical charges or signals through neurons in the brain and throughout the body, foundational for neural communication.

Brain

The complex central organ of the nervous system, responsible for thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.