Background. Loss of olfaction is a well-established early feature of Parkinson's disease
(PD). Although olfactory dysfunction has been widely described as a prodromal feature of …

Background Neuroanatomical alterations underlying psychosis in Parkinson's Disease
(PDP) remain unclear. We carried out a meta-analysis of MRI studies investigating the …

Background Qualitative smell/taste disorders (such as phantosmia, parosmia, phantogeusia,
and parageusia) have not yet been fully characterized in patients who had COVID-19 …

Background Non-visual hallucinations in Parkinson's disease (PD) can be prevalent and
distressing. Most existing research has however, focused on visual hallucinations as well as …

Piwi interacting RNAs (piRNAs) are small non-coding single-stranded RNA species 20–31
nucleotides in size generated from distinct loci. In germline tissues, piRNAs are amplified via …

Abstract Background and Objectives: Parkinson's disease (PD) is a prevalent
neurodegenerative condition responsible for progressive motor and non-motor symptoms …

Background and Objective: Parkinson's disease (PD) is a progressive neurological disorder
characterized by an accumulation of Lewy bodies and degeneration of dopaminergic …

Background: Visual illusions (VI) in Parkinson's disease (PD) are generally considered as
an early feature of the psychosis spectrum leading to fully formed visual hallucinations (VH) …

Parkinson's disease affects millions worldwide with a large rise in expected burden over the
coming decades. More easily accessible tools and techniques to diagnose and monitor …

Olfactory dysfunction is a prevalent non-motor symptom in Parkinson's disease (PD),
affecting approximately 65–90% of subjects. PD patients may also report odor perception in …