Objective: The present study explored two types of semantic relationships in semantic
dementia (SD), that rely on functionally and neuroanatomically distinct semantic systems …

Introduction: Disequilibrium between the taxonomic and thematic semantic systems was
previously hypothesized in participants with semantic dementia (SD), without rigorously …

In semantic dementia (SD), there is a correlation between performance on semantic tasks
such as picture naming and lexical tasks such as reading aloud. However, there have been …

Semantic Dementia (SD) is a neurodegenerative disease characterised by progressive
deterioration of semantic knowledge, resulting in diminished understanding of concepts …

The vast majority of brain-injured patients with semantic impairment have better
comprehension of concrete than abstract words. In contrast, several patients with semantic …

There are two contrasting views on the nature of comprehension impairment in semantic
dementia:(a) that it stems from degradation of a pan-modal “hub” that represents core …

Classic neurological accounts and some contemporary theories of semantic memory
assume that concepts are acquired through a learning process that draws together …

Background: Conceptual knowledge does not decay randomly in patients with cerebral
damage, suggesting that dedicated neural substrates may support different categories of …

In order to study the strategies of access to semantic knowledge and the status of semantic
representation, we analyzed the performance in a semantic fluency task (Animal naming) of …

Despite a vast literature examining semantic impairment in Alzheimer's disease (AD),
consensus regarding the nature of the deficit remains elusive. We re-considered this issue in …