BNT	Boston naming test
CI	Confidence interval
DBS	Deep brain stimulation
JOLO	Judgement of line orientation
MCI	Mild cognitive impairment
MMSE	Mini-Mental State Examination (MMSE)
MNI	Montreal Neurological Institute
MOCA	Montreal Cognitive Assessment
MRI	Magnetic Resonance Imaging
NBM	Nucleus basalis of Meynert
NPA	Neuropsychological assessment
PET	Positron emission tomography
PD	Parkinson’s disease
PDD	Parkinson’s disease dementia
STN	Subthalamic nucleus
TFE	Turbo Field Echo
TIV	Total intracranial volume
TMT	Trail making test
RAVLT	Rey Auditory Verbal Learning Test
RBMT	Rivermead Behavioural Memory Test
RCI	Reliability change index
WAIS	Wechsler Adult Intelligence Scale