1. A technique to view structures inside the brain, typically with X-rays or a magnetic resonance imaging (or MRI) machine. With MRI technology — especially the type known
as functional MRI (or fMRI) — the activity of different brain regions can be viewed during
an event, such as viewing pictures, computing sums or listening to music.
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2. A network of that transmits electrical signals. In the body, nerve cells create circuits that
relay electrical signals to the brain. In electronics, wires typically route those signals to
activate some mechanical, computational or other function.
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3. A term that relates to mental activities, such as thinking, learning, remembering and
solving puzzles.
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4. (fMRI) A special type of machine used to study brain activity. It uses a strong magnetic
field to monitor blood flow in the brain. Tracking the movement of blood can tell researchers
which brain regions are active. (See also, MRI or magnetic resonance imaging)
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5. The field of science that deals with the structure or function of the brain and other parts
of the nervous system. Researchers in this field are known as neuroscientists.
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6. The ability to hold something in the mind for a short period of time, such as a mental
grocery list or a phone number.
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