Virtual Dictionary
SPECT
SPECT, occasionally referred to as SPET, stands for ?Single photon emission computed tomography?. It is a method of 3D data collection for living organic bodies. Essentially, it slices the body into tens of thousands of slides using gamma rays. These can then be stacked together to create a 3D rendition.
The gamma irradiator is run down the body from multiple angles such that each slice of the body is captured from multiple vantage points, typically only a few degrees apart.
SPECT is frequently used as a brain structure imager, and as a general body diagnostic imager.
See Also: PET, fMRI, MRI
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(30/08/2012)
An ultra-fast, 320-detector computed tomography (CT) scanner can accurately sort out which people with chest pain need -- or don't need -- an invasive procedure such as cardiac angioplasty or bypass surgery to restore blood flow to the hea...
(01/05/2014)
Some have characterized dopamine as the elixir of pleasure because so many rewarding stimuli – food, drugs, sex, exercise – trigger its release in the brain. However, more than a decade of research indicates that when drug use becomes compu...
(24/01/2013)
Stroke, traumatic injury, and metabolic disorder are major causes of brain damage and permanent disabilities, including motor dysfunction, psychological disorders, memory loss, and more. Current therapy and rehab programs aim to help patien...
(19/11/2012)
Researchers at Thomas Jefferson University and the University of Sao Paulo in Brazil analyzed the cerebral blood flow (CBF) of Brazilian mediums during the practice of psychography, described as a form of writing whereby a deceased person o...