White matter (WM) occupies a large volume of the human cerebrum and is mainly composed
of myelinated axons and myelin-producing glial cells. The myelinated axons within WM are …

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

Parkinson's disease (PD) is a heterogeneous progressive neurodegenerative disorder,
which typically affects older adults; it is predicted that by 2030 about 3% of the world …

Natural substances originating from plants have long been used to treat neurodegenerative
disorders (NDs). Parkinson's disease (PD) is a ND. The deterioration and subsequent …

ABSTRACT Background: In moderately advanced Parkinson's disease (PD), low serum
vitamin B12 levels are common and are associated with neuropathy and cognitive …

Parkinson's disease (PD) is a heterogeneous neurological disorder with a variety of motor
and non-motor symptoms. The underlying mechanisms of these symptoms are not fully …

Parkinson's disease (PD) is a multifactorial disorder of the nervous system in which there is
a progressive loss of dopaminergic neurons. There is a disturbance in the movement in PD …

Background The neuroanatomical substrates of Parkinson's disease (PD) with tremor‐
dominance (TD) and those with non‐tremor dominance (nTD), postural instability and gait …

Impaired locomotion is a frequent and major source of disability in patients with neurological
conditions. Different neuroimaging methods have been used to understand the brain …

Aims Postural instability/gait difficulty (PIGD) and tremor‐dominant (TD) subtypes of
Parkinson's disease (PD) show different clinical manifestations; however, their underlying …