Diffusion MRI has provided the neuroimaging community with a powerful tool to acquire in-
vivo data sensitive to microstructural features of white matter, up to 3 orders of magnitude …

Parkinson disease (PD) is a progressive disorder characterized by dopaminergic
neurodegeneration in the brain. The development of parkinsonism is preceded by a long …

Background and Objectives Cadaveric studies have shown disease-related
neurodegeneration and other morphological abnormalities in the retina of individuals with …

Dementia with Lewy bodies (DLB) is clinically defined by the presence of visual
hallucinations, fluctuations, rapid eye movement (REM) sleep behavioral disorder, and …

Parkinson's disease is caused by degeneration of dopaminergic neurons, originating in the
substantia nigra pars compacta and characterised by bradykinesia, rest tremor and rigidity …

Sensory loss in olfaction, vision, and hearing is a risk factor for dementia, but the reasons for
this are unclear. This review presents the neurobiological evidence linking each sensory …

A major challenge in Parkinson's disease is the variability in symptoms and rates of
progression, underpinned by heterogeneity of pathological processes. Biomarkers are …

Visual hallucinations are a common feature of Lewy body dementia. Previous studies have
shown that visual hallucinations are highly specific in differentiating Lewy body dementia …

Background Dementia is a common and devastating symptom of Parkinson's disease (PD).
Visual function and retinal structure are both emerging as potentially predictive for dementia …

Parkinson's disease (PD) has been showed perfusion and neural activity alterations in
specific regions, such as the motor and visual networks; however, the clinical significance of …