NotePreserved Calculation Skills in a Case of Semantic Dementia
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Frontotemporal dementia: A unique window on the functional role of the temporal lobes
2022, Handbook of Clinical NeurologyNumbers, calculation and acalculia
2021, Encyclopedia of Behavioral Neuroscience: Second EditionDissociation of quantifiers and object nouns in speech in focal neurodegenerative disease
2016, NeuropsychologiaCitation Excerpt :Several reports have described greater semantic impairment for concrete than for abstract concepts in svPPA (Bonner et al., 2009; Breedin et al., 1998; Cousins, et al., 2016; Papagno et al., 2009; Reilly, Grossman, and McCawley, 2006; Warrington, 1975), a phenomenon known as reversal of the concreteness effect. In contrast, number and quantifier comprehension in svPPA have been reported to be relatively well preserved (Cappelletti et al., 2001, 2006; Crutch and Warrington, 2002; Halpern et al., 2004; Julien et al., 2010). In the present study of natural speech production, we elicited a semi-structured speech sample by asking individuals to describe a kitchen scene.
Knowing what and where: TMS evidence for the dual neural basis of geographical knowledge
2016, CortexCitation Excerpt :Typically, the functions of the ATL “semantic” system and the IPS “magnitude” system are highly dissociable. Patients with ATL damage, for example, exhibit preserved understanding of numerical magnitude (Cappelletti, Butterworth, & Kopelman, 2001; Cappelletti, Kopelman, Morton, & Butterworth, 2005; Crutch & Warrington, 2002; Diesfeldt, 1993; Jefferies, Patterson, Jones, Bateman, & Lambon Ralph, 2004) and are able to estimate quantities accurately (Julien, Thompson, Neary, & Snowden, 2010), despite severe deficits in knowledge for objects and words. Conversely, parietal damage is frequently associated with dyscalculia but relative preservation of verbal semantic knowledge (Dehaene & Cohen, 1997; Delazer, Karner, Zamarian, Donnemiller, & Benke, 2006; Kas et al., 2011).