P.E.T. Scans in Depression

Posted by SLS on January 8, 2011, at 15:45:05

Hi All.
These are pictures of P.E.T. scans (Positron Emission Tomography) that demonstrate the differences between a depressed brain and a healthy brain. It was published by the Mayo Clinic.
http://www.slschofield.com/medicine/pet_scan_depression.jpg
I had my scans in 1992-1993 while I was a research patient at the NIH (National Institutes of Health). My scans looked very much the same as the image on the left (depressed brain). There was a bit more blue in my case. I don't recall having the hot spot in the left hemisphere.
Regions depicted in blue represent low neural activity. Yellow and orange represent high activity. The excessive blue in the depressed brain indicates brain hypofunction, which represents abnormally low neural activity. Hypofunction in depression is almost global in its effects in the cerebral cortex.
I was not very happy to see my pictures.

- Scott

Some see things as they are and ask why.
I dream of things that never were and ask why not.

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P.E.T. Scans in Depression SLS 1/8/11
Re: P.E.T. Scans in Depression » SLS floatingbridge 1/8/11
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Re: P.E.T. Scans in Depression ed_uk2010 1/9/11
Re: P.E.T. Scans in Depression » ed_uk2010 SLS 1/9/11
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