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Activity

Definition

Activity refers to the level of neural firing or electrical signals occurring in specific areas of the brain. It reflects the extent to which neurons are communicating and processing information.

Analogy

Think of activity in the brain as a concert with different musicians playing their instruments. The level of activity represents how intensely each musician is playing their instrument, and how well they are coordinating with others to create harmonious music.

Related terms

Neurotransmitters: These are chemical messengers that transmit signals between neurons, influencing activity levels in different areas of the brain.

Electroencephalogram (EEG): A technique used to measure and record electrical activity in the brain by placing electrodes on the scalp.

Functional Magnetic Resonance Imaging (fMRI): A method that detects changes in blood flow to infer neural activity, providing detailed images of brain regions involved in specific tasks or mental processes.