New PDF release: Cortical Functions

By J. Stirling

ISBN-10: 0203135547

ISBN-13: 9780203135549

ISBN-10: 0203179579

ISBN-13: 9780203179574

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Extra resources for Cortical Functions

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Cell bodies of neurons will be clumped together in one location. (They don~t actuaHy touch one another but lie in close proximity to each other) . These clumps are known as ganglia. or nuclei. Similarly. the cable parts of neurons (the axons) often run side by side, from one part of the nervous system to another. Once again. they don't actually merge into a single structure. but they do lie next to each other. cts or nerves. It is important to remember just how small and densely packed axons can be.

Vivo imaging in psychiatry. Techniques of measurement of brain structure and function Until quite recently. the options for measurement of brain structure and flllction have been rather limited. Structural analysis depended on biopsy, or post-mortem. The fonner is a drastic technique involving 27 CO RTIC Al FU NC TI ONS the removal and analysis of small (but irreplaceable) samples of brain tissue. It relies on a somewhat hit and miss technique (of removing tissue frOlll the 'appropriate' area of brain), The latter requires the subject to be dead, so that early signs of disease are likely to be masked by changes that occur as the disease progresses.

N seen in adolescents who as children incurred severe left~hernisphere damage. ut what regions of brain are dysfunctional or damaged, they do not always, and the reasons for this are unclear. Despite these concerns, researchers agree that the use of neuropsychological tests in combination with in-vivo techniques is potentially a very informative procedure. If a certain test is known to draw on the capacity of a particular brain region, the test could be given to a subject whilst s/he is being scanned.

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Cortical Functions by J. Stirling

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