Differential cognitive substrates of verbal episodic memory performance in semantic variant primary progressive aphasia and Alzheimer's disease. (10th January 2020)

• Record Type: Journal Article
• Authors: DeVaughn, Saskia; Casaletto, Kaitlin B.; Staffaroni, Adam M.; Wolf, Amy A.; Marx, Gabe; Kramer, Joel H.
• Is Part Of: Journal of neuropsychology. Volume 15(2021)Supplement 1
• Page Start: 1
• Page End: 7
• Publication Date: 2020-01-10
• Subjects: Alzheimer's disease -- Level of Processing Theory -- neurodegenerative disease -- neuropsychological test validity -- semantic dementia -- verbal episodic memory -- visual episodic memory; Neuropsychology -- Periodicals; Brain -- Diseases -- Psychological aspects -- Periodicals; 612.82305
• DOI: 10.1111/jnp.12200
• Languages: English
• ISSNs: 1748-6645

Abstract

Abstract : Performance on neuropsychological measures of verbal memory requires cognitive abilities beyond memory. We examined the contribution of semantic knowledge in verbal episodic memory for semantic variant primary progressive aphasia (svPPA) or Alzheimer's disease (AD). 415 AD and 68 svPPA participants completed measures of episodic memory (visual and verbal) and semantic knowledge. A double dissociation existed visual recall predicted verbal recognition in AD, whereas semantic knowledge contributed to verbal recognition in svPPA.