Neurobiology of Depression: An update from Nijmegen
explanation At the Department of Psychiatry
and the Centre for Cognitive Neuroimaging,
we follow a combined structural and functional
imaging approach using magnetic
resonance imaging (mri) to investigate a unique
pool of patients, being either medication-naïve or
unmedicated early in the course of depression.
Firstly, we assessed state and trait changes of
structural integrity of core regions such as amygdala
and hippocampus on the one hand and cortical
thickness on the other hand. Secondly, we
investigated whether functional mri can really
support that brain regions such as amygdala specifically
mediates cognitive biases for emotional
information in depression. Moreover, the patient
studies provided us with regions of interests
(rois) that seem to be altered in a trait fashion.
This information was used in a final step whereby
we aimed to understand the effect of genetic variability
in common genetic polymorphisms on
these rois as a prerequisite for a vulnerability to
develop depression.
aim At the end of this session the participant
will have an overview of the most important
brain regions that play a role in the neurobiology
of depression and will be able to dissociate
between structural and functional changes related
to the disease.