Depressive disorder affects all ages of life. It concerns approximately 15 to 20% of the French population, over their entire life, according to figures from the National Institute of Health and Medical Research (Inserm). Regardless of the age at which it manifests, the diagnosis of depressive disorder is based on specific criteria. But depression can also be suspected in the face of warning signs specific to the age group of patients, and can be associated with unusual anxiety, the development of violent behavior or school phobia in children or adolescents. However, according to a study published in the journal Natureand led by experts at Weill Cornell Medicine in New York, the brain shows a difference in its structure as early as age 10 in people at higher risk of developing the disorder. The experts hope that their discovery could serve as the basis for future therapeutic treatments that would address harmful structural differences in the brain.
A part of the brain one third larger
The team looked at brain scans from 141 adults with depression and compared them to those of 37 controls. They found that a set of parts of the brain involved in paying attention to rewards and threats, called the frontostriatal salience network, was larger in those with depression. (…)
- Top Santé
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