from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Radiographic examination of the brain in which some of the cerebrospinal fluid is replaced with air or another gas that acts as a contrast medium.
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- noun medicine An
X-rayexamination of the brainin which air replaces some of the cerebrospinal fluidto act as a contrast medium
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun roentgenography of the brain after spinal fluid has been replaced by a gas (usually oxygen); produces an encephalogram
from Wiktionary, Creative Commons Attribution/Share-Alike License
The need for these types of encephalography is now reduced.
Using a technique called magneto-encephalography that measures brain signals, the Oxford researchers found that a baby's face can seize our attention in milliseconds, activating an unusual mental organ called the fusiform gyrus that responds to human faces.
By combining different measures of brain activity -- positron emission tomography, functional magnetic resonance imaging and electro-encephalography -- scientists for the first time can see how aging brain regions, designed to work in unison like the interlocking innards of an expensive watch, fail to mesh swiftly and smoothly.
New York University social psychologist David Amodio studied the neural activity of liberal and conservative frames of mind using electro-encephalography.
The scientists used a technique known as magnetic encephalography MEG — the fastest of all scanner methods — to measure the minute magnetic fields around the brain and identify regions that are active during the second or so it takes for a person to make their shopping choice.
Moniz's main interests were evidently encephalography, and cerebral arteriography.
Ambrose was exploring ways of imaging the living brain using methods such as ultrasound and echo encephalography, and he agreed to meet Hounsfield.
Extensive special examinations, such as contrast encephalography and pneumaencephalography, that is, X-ray examination with a contrast medium in the vessels, and filling the brain cavities with air following lumbar puncture, provide very valuable information, but nevertheless indirectly.
Diagnostic des tumeurs cérébrales et épreuve de l'encéphalographie artérielle (Diagnostics of cerebral tumours and application of arterial encephalography),
The mentation pictures we got by encephalography compare very favorably with those of any human child of ten or twelve years old, and so does their learning and puzzle-solving ability.