![]() Patients are given different sensory stimuli or asked to perform various tasks. ![]() An MRI scan builds up a three-dimensional picture of the anatomy of the brain.įMRI (Functional Magnetic Resonance Imaging) is a technique that maps activity in the brain. Modern imaging methods such as MRI (Magnetic Resonance Imaging) scans, use strong magnetic fields and radio waves to show details of brain structure. EEGs (Electroencephalograms) can be created and studied, to observe the electrical activity in the brain. If the visual area is stimulated, they may see a flash of colour. If the motor area is stimulated, the patient makes an involuntary movement. Scientists have stimulated different parts of the brain with a weak electrical current and asked patients to describe what they experienced. Neuroscientists have been able to map various regions of the brain to particular functions by studying patients with brain damage, electrically stimulating different parts of the brain and using MRI scanning techniques. Modern science has allowed scientists to discover how different parts of the brain function.
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