Research Methods

Research Methods

Modern technology has made it possible for psychologist and other scientist to study the brain in living organism with an array of new tools.With these new tool psychologist and other neuroscientists are able to explore the structure of the brain and its complex role in different forms of behavior.
Electroencephalography, also known as EEG, is a method of technology used for measuring the electrical activity of the brain.It works by placing electrodes at specified locations on the skull.The results of these recordings help researchers identify the specific functions of different regions of the brain.
Computerized Tomography, also known as CT, is a newer method of technology that uses X-rays to scan the brain from different angles.These X-ray images are then synthesized and analyzed by the computer to determine where damage to the brain exists.
Magnetic Resonance Imaging, or MRI, is a valuable procedure for studying the functions of the brain.In this procedure images are obtained by exposing the brain to a strong magnetic field.The results of a MRI appear clear, which makes this procedure useful in the diagnosis of many brain disorders.

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SQUID which is short for Superconducting Quantum Interference Device, is a recent development used to produce images of the brain by detecting tiny changes in magnetic fields in the brain.This technique is used by researchers to map various brain functions.
Positron Emission Tomography, also known as PET, detects the activity of the brain by measuring glucose utilization or blood flow.PET scans aid researchers to see what is happening in the brain as of perform different functions.Patients undergoing PET scans are injected with radioactive isotopes attached to water or glucose molecules.

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