Cortical Dementias #

Alzheimer’s Disease Dementia #

• Amnestic variant
• Posterior cortical atrophy / Posterior variant (PCA)
• Logopenic progressive aphasia (LPA)

Frontotemporal Dementia (FTD) #

Language Variant #

• Primary progressive aphasia (PPA)
• Semantic variant primary progressive aphasia (svPPA)
• Nonfluent agrammatic primary progressive aphasia (nfaPPA)

Behavioural Variant #

• Behavioural variant fronto-temporal dementia (bvFTD)

Subcortical Dementias #

• Huntington’s disease dementia
• Vascular disease dementia
• Parkinson’s disease dementia

Atypical Parkinsonian Syndromes #

• Progressive supra-nuclear palsy (PSP)
• Multiple system atrophy (MSA)

Cortico-subcortical Dementias #

• Corticobasal degeneration (CBD)
• Creutzfeldt-Jakob disease dementia
• Dementia with Lewy Bodies (DLB)

Other differential diagnoses #

• Accelerated long-term forgetting
• Cognitive impairment due to hydrocephalus, multiple sclerosis, stroke, traumatic brain injury, pharmacotherapies, radiation treatment, anaesthesia, surgery, toxic chemicals, alcohol toxicity, genetic and developmental disorders, etc.
• Delirium
• Mild Cognitive Impairment (temporary or prodromal to a dementia syndrome)