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Increased activity in emotion-processing brain regions in patients who have an anxiety disorder could result from decreased inhibitory signaling by γ-amino-butyric-acid (GABA) or increased excitatory neurotransmission by glutamate.
20 lis 2017 · MRI brain scans of people with depression and social anxiety show common and specific differences in cortical thickness, compared with healthy people.
5 mar 2018 · Numerous studies that focused on gray and white matter have found significant brain region alterations in major depressive disorder patients, such as in the frontal lobe, hippocampus, temporal lobe, thalamus, striatum, and amygdala. The results are inconsistent and controversial because of the different demographic and clinical characteristics.
17 cze 2024 · Personalized brain circuit measures quantified using a new imaging technology in 801 patients with depression and anxiety identify six biotypes with unique symptoms, behaviors and responses...
20 lis 2017 · The researchers acquired and analyzed high-resolution images from 37 MDD patients, 24 SAD patients and 41 healthy control individuals. Both MDD and SAD patients, relative to healthy controls, showed gray matter abnormalities in the brain’s salience and dorsal attention networks.
18 godz. temu · Major depression is an etiologically multifactorial, genetically heterogeneous disorder that affects ~7% of the US population and causes significant morbidity [].For several severe psychiatric ...
17 cze 2024 · In the not-too-distant future, a screening assessment for depression could include a quick brain scan to identify the best treatment. Brain imaging combined with machine learning can reveal subtypes of depression and anxiety, according to a new study led by researchers at Stanford Medicine.
