Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Brain activity refers to the electrical signals and chemical processes occurring in the brain that underlie various cognitive functions, emotions, sensations, and behaviors.
These are chemical messengers that transmit signals between neurons in the brain, influencing various aspects of cognition and behavior.
Functional Magnetic Resonance Imaging (fMRI): This technology measures changes in blood flow in specific brain regions, providing insights into neural activity during different tasks or experiences.
An EEG records electrical activity produced by the firing of neurons in different areas of the brain. It helps researchers understand patterns associated with certain mental states or disorders.