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Field Value
classConcept
statuscandidate
prefLabel@enPET
definition@enSpecification of the neuroimaging technique used for elicitation as PET (positron emission tomography). (source: NaLiDa)
notationPET
example@enThis type of study can be found, for instance, in experimental studies or, more specific, in the field of psychology, neuroscience, psycholinguistics, medicine, etc. (source: NaLiDa)
scopeNote@enPositron emission tomography (PET) measures emissions from radioactively labeled metabolically active chemicals that have been injected into the bloodstream. The emission data are computer-processed to produce 2- or 3-dimensional images of the distribution of the chemicals throughout the brain.[7] The positron emitting radioisotopes used are produced by a cyclotron, and chemicals are labeled with these radioactive atoms. The labeled compound, called a radiotracer, is injected into the bloodstream and eventually makes its way to the brain. Sensors in the PET scanner detect the radioactivity as the compound accumulates in various regions of the brain. A computer uses the data gathered by the sensors to create multicolored 2- or 3-dimensional images that show where the compound acts in the brain. Especially useful are a wide array of ligands used to map different aspects of neurotransmitter activity, with by far the most commonly used PET tracer being a labeled form of glucose. (source: http://en.wikipedia.org/wiki/Neuroimaging)
changeNoteThis concept is based on the ISOcat data category: http://www.isocat.org/datcat/DC-4459
inSchemeMetadata
deleted---
toBeChecked---
urihttp://hdl.handle.net/11459/CCR_C-4459_eac12737-5eb4-fd82-2b60-8bf3202d3f8f
licenseCreative Commons Attribution (CC BY) (use the uri above for the attribution)

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