CRIM 402 Chapter Notes - Chapter 10-11: Food Coloring, Isoflavones, Canola
7 Sep 2016
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To look at structure of the brain structural changes, identify physical abnormalities (eg brain tumor: ct, mri. To look at functional deficit/changes, understand brain functions: pet, spect. To have a fuller understanding of behaviour, often use more than one technique. Physical change may have no functional problems; or if have severe functional issues with have no obvious structural changes. Computer tomography (ct) / computed axial tomography (cat) Extremely sophisticated x-ray equipment is used to obtain image information of the brain from every angle. Information is processed by computer to produce a 3d image that can be examined at every plane (as if cross section were to be cut through the brain at any desired site) Can be used on any other tissue, such as heart, lungs, blood vessels. 3. subject is exposed to x-rays, which can be damaging small brain structure is difficult to individualize.
