Catarina Rua

Detecting neuroplastic effects induced by ketamine in healthy human subjects: a multimodal approach

This study uses multimodal imaging to show ketamine increases glutamate in the ACC and alters brain network connectivity, suggesting potential long-term neuroplastic effects.

Path integration selectively predicts midlife risk of Alzheimer's disease

The paper shows that midlife path integration impairments predict Alzheimer's disease risk, independent of other cognitive tests.

Correcting for Superficial Bias in 7T Gradient Echo fMRI

This study compares methods to correct superficial bias in 7T Gradient-Echo fMRI data and finds that ratio of ROI means and Deming regression are most effective.

Multi-centre, multi-vendor 7 Tesla fMRI reproducibility of hand digit representation in the human somatosensory cortex

This study assesses the reproducibility of 7 Tesla fMRI hand digit representation across multiple sites and within sites, finding lower inter-site than intra-site reproducibility but overall feasibility for multi-site studies.

An in vivo Probabilistic Atlas of the Human Locus Coeruleus at Ultra-high Field

This study creates a probabilistic atlas of the human locus coeruleus using ultra-high field MRI, revealing spatial gradients and providing a resource for future research.

Multi-centre, multi-vendor reproducibility of 7T QSM and R2* in the human brain: results from the UK7T study

This study evaluates the reproducibility of 7T quantitative susceptibility mapping (QSM) and R2* at multiple sites using a harmonized protocol, finding improved consistency compared to 3T.

Recurrent processing drives experience-dependent plasticity for perceptual decisions

This study investigates how experience shapes perceptual decisions by examining plasticity in cortical layers using high-resolution fMRI and orientation discrimination training.

Accurate autocorrelation modeling substantially improves fMRI reliability

This paper compares fMRI analysis packages for autocorrelation modeling, finding AFNI outperforms FSL and SPM, and recommends improved pre-whitening and diagnostics for better reliability.