Neurodegenerative diseases Flashcards
Name as many diseases that fall within the spectrum of neurodegenerative diseases
dementia progressive epilepsy progressive cerebellar syndrome movement disorders motor neurone disease
Which protein is abnormal in Alzheimer’s disease
Tau, hyperphosphorylation results in insoluble neurofibrillary tangles. Beta amyloid plaques and neurofibrillary tangles
What is the pathophysiology of frontotemporal dementia?
intraneuronal and glial tau deposition
What are the features of frontotemporal dementia?
behavioural changes
language difficulties
parkinsonism
List two tauopathies
Alzheimer’s disease
frontotemporal dementia
PSP
Corticobasal degeneration
What is the hummingbird sign on MRI indicative of?
PSP= penguin sign (atrophy of midbrain)
Name one alpha synucleinopathy
parkinson’s disease
Which sleep disturbance is observed in parkinson’s disease?
REM sleep disturbance- shouting out dreams
Name one prion disease
Creutzfeldt-Jakob disease
Name one trinucleotide repeat disorder
Huntington’s disease
fragile x syndrome
myotonic dystrophy
friederich’s ataxia
Which repeat is found in huntington’s disease?
CAG
What is the clinical presentation of huntington’s disease
chorea, behavioural change, pscyhiatric disturbance, dementia
Name one TDP-43 proteinopathy
Motor neuron disease