Publications by authors named "C Y Vriend"

Introduction: Unipolar and bipolar mood disorders in older adults are accompanied by cognitive impairment, including executive dysfunction, with a severe impact on daily life. Up and till now, strategies to improve cognitive functioning in late-life mood disorders (LLMD) are sparse. Therefore, we aimed to assess the efficacy of adaptive, computerized cognitive training (CT) on executive and subjective cognitive functioning in LLMD.

View Article and Find Full Text PDF

Objective: Obsessive-compulsive disorder (OCD) is associated with altered brain function related to processing of negative emotions. To investigate neural correlates of negative valence in OCD, we pooled fMRI data of 633 individuals with OCD and 453 healthy controls from 16 studies using different negatively-valenced tasks across the ENIGMA-OCD Working-Group.

Methods: Participant data were processed uniformly using HALFpipe, to extract voxelwise participant-level statistical images of one common first-level contrast: negative vs.

View Article and Find Full Text PDF

Alterations in subcortical brain regions are linked to motor and non-motor symptoms in Parkinson's disease (PD). However, associations between clinical expression and regional morphological abnormalities of the basal ganglia, thalamus, amygdala and hippocampus are not well established. We analyzed 3D T1-weighted brain MRI and clinical data from 2525 individuals with PD and 1326 controls from 22 global sources in the ENIGMA-PD consortium.

View Article and Find Full Text PDF

Objective: Cross-sectional studies in children with obsessive-compulsive disorder (OCD) have found larger thalamic volume, which is not found at later ages. We previously found that 9- to 12-year-old children from the general population with clinical-level obsessive-compulsive symptoms (OCS) also have a larger thalamus. Thus, using a longitudinal design, we studied the relationship among thalamic volume, cortical maturation, and the course of OCS.

View Article and Find Full Text PDF
Article Synopsis
  • This study explores how brain activation during symptom provocation tasks can predict the effectiveness of a combined treatment of rTMS and ERP for patients with treatment-resistant OCD.
  • Sixty-one adults with OCD participated in fMRI scans to measure brain activity in response to OCD-related stimuli before undergoing an 8-week treatment regimen, with multiple rTMS applied to different brain areas.
  • Results indicated that higher activation in the right amygdala prior to treatment was associated with a better response to therapy, while activation in the dorsal anterior cingulate cortex had a negative association with treatment outcomes.
View Article and Find Full Text PDF