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The analysis of medical images is improved to facilitate the study of psychotic disorders
Date:5/28/2013

A team of researchers from the UPNA/NUP-Public University of Navarre has developed new superresolution and segmentation methods for magnetic resonance images so that they can be applied to the structural study of psychosis. The aim is to be able to identify the differences that are produced in specific parts of the brain in psychotic patients with respect to their healthy relatives or other people.

The project, run in coordination with doctors in the Psychiatry and Radiology Service of the ComplejoHospitalarioof Navarre, is based on the study of medical images obtained by means of magnetic resonance and has already begun to yield results:"We have seen that in individuals who have suffered a first psychotic episode, the area of the brain of the subcortical ganglia display certain differences in size with respect to that in healthy individuals," explained the researcher Beatriz del Cerro.To a certain extent this contradicts what the psychiatric scientific literature used to say.So we argued that antipsychotic pharmacological treatment might be a determining factor in these discrepancies, since our patients were evaluated during the first weeks of treatment using medication while the studies in the literature provided data on patients who had been on treatment for a long time."

Today, the delimitation of certain structures of the brain or areas of interest in magnetic resonance imaging is often done manually.From the medical point of view, the promoters of the project consider that it would be desirable to have automatic methods that would increase the quality of the images and calculate the desired sizes in the image analysis.

Comparing psychotic patients with their siblings

In parallel with this project, the researchers attached to the Psychiatry and Radiology service of the ComplejoHospitalarioof Navarre are doing a study entitled "Motor alterations in patients with recent psychosis onset and their healthy siblings and
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Contact: Oihane Lakar Iraizoz
o.lakar@elhuyar.com
34-943-363-040
Elhuyar Fundazioa
Source:Eurekalert

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