Mild cognitive impairment is common in nondemented Parkinson's disease (PD) patients
and may be a harbinger of dementia. In view of its importance, the Movement Disorder …

In this article we review recent research on diffusion tensor imaging (DTI) of white matter
(WM) integrity and the implications for age-related differences in cognition. Neurobiological …

Electromagnetic source characterisation requires accurate volume conductor models
representing head geometry and the electrical conductivity field. Head tissue conductivity is …

Although diagnosed by characteristic motor features, Parkinson's disease may be preceded,
and is frequently accompanied by, a wide range of cognitive and neuropsychiatric features …

Despite advances towards understanding the molecular pathophysiology of the
neurodegenerative dementias, the mechanisms linking molecular changes to …

Parkinson's disease (PD) is a common neurodegenerative disorder with prominent loss of
nigro‐striatal dopaminergic neurons. The resultant dopamine (DA) deficiency underlies the …

Background Neuroimaging studies help us better understand the pathophysiology and
symptoms of Parkinson's disease (PD). In several of these studies, diffusion tensor imaging …

Objectives: We performed a systematic review to assess alterations in measures of diffusion
tensor imaging (DTI) in parkinsonian syndromes, exploring the potential role of DTI in …

Conventional single tensor diffusion analysis models have provided mixed findings in the
substantia nigra of Parkinson's disease, but recent work using a bi-tensor analysis model …

A steady series of advances in physics, mathematics, computers and clinical imaging
science have progressively transformed diagnosis and treatment of neurological and …