<category parent="Nervous System Level" child="Brain Regions" />

'IBVD Internet Brain Volume Database' as source_title

Q: Not all links lead to the appropriate brain regions.  Why?

A: The study always has the appropriate link, but at times the pointer from NIF goes to the inappropriate brain region.  The structure of the IBVD did not allow NIF to reliably point users to a specific brain region sub-page.  For about 85% of studies, the amygdala is on subpage=1 of the mapped results, unfortunately, in 15% of the studies this same brain region is found on subpage 2, which can be navigated from page 1 by clicking on the Amygdala.  Upon several conversations we chose to be inaccurate in a small number of cases rather than pointing users to the always accurate text pages of the IBVD because we believe that the picture is worth at thousand words.  If this is not desired by our community it can be easily changed.

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Translation of data as follows:

when l2_000000033_brainvolume_measurement.structure = 'Amygdala' then '1'
when l2_000000033_brainvolume_measurement.structure = 'Brain' then '2'
when l2_000000033_brainvolume_measurement.structure = 'Brainstem' then '3'
when l2_000000033_brainvolume_measurement.structure = 'Caudate' then '4'
when l2_000000033_brainvolume_measurement.structure = 'Cerebellar Cortex' then '5'
when l2_000000033_brainvolume_measurement.structure = 'Cerebellar White Matter' then '6'
when l2_000000033_brainvolume_measurement.structure = 'Cerebellum' then '7'
when l2_000000033_brainvolume_measurement.structure = 'Cerebral Cortex' then '8'
when l2_000000033_brainvolume_measurement.structure = 'Cerebral White Matter' then '9'
when l2_000000033_brainvolume_measurement.structure = 'Cerebrum' then '10'
when l2_000000033_brainvolume_measurement.structure = 'Fourth Ventricle' then '11'
when l2_000000033_brainvolume_measurement.structure = 'Hippocampus' then '12'
when l2_000000033_brainvolume_measurement.structure = 'Lateral Ventricle' then '13'
when l2_000000033_brainvolume_measurement.structure = 'Lenticulate' then '14'
when l2_000000033_brainvolume_measurement.structure = 'Pallidum' then '15'
when l2_000000033_brainvolume_measurement.structure = 'Putamen' then '16'
when l2_000000033_brainvolume_measurement.structure = 'Thalamus' then '17'
when l2_000000033_brainvolume_measurement.structure = 'Third Ventricle' then '18'
when l2_000000033_brainvolume_measurement.structure = 'Ventricular System' then '19'
end as structure_no,

This column is not exposed in the interface, but it is as close as we could get to taking the user to the appropriate brain structure from NIF to IBVD.