Studying the Structure and Function of the Brain

•  Electroencephalogram (EEG):recording of the electrical signals being transmitted within
the brain, through electrodes attached to the skull.
•  Computerized Axial Tomography (CAT):a computer constructs an image of the brain by
combining thousands of separate X-rays taken from slightly different angles.
•  Magnetic Resonance Imaging (MRI):the scan produces a powerful magnetic field to
provide a computer generated, detailed image of the structure of the brain.
•  Super Conducting Quantum Interference Device (SQUID):a scan sensitive to minute
changes in the magnetic field occurring when neurons are firing.
•  Positron Emission Tomography (PET):a scan showing biochemical activity
within the brain at any given moment.

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