A breakdown of semantic memory occurs in a number of conditions, most notably after
herpes simplex encephalitis (Pietrini et al., 1988; Warrington & Shallice, 1984), in …

Objective: The present study directly evaluated the impact of feature sharedness on the
differences between superordinate and basic-level concepts observed in semantic dementia …

Although the semantic memory impairment has been largely documented in Alzheimer′ s
disease, little is known about semantic memory in the preclinical phase of the disease (Mild …

We report a patient, PP, with semantic dementia who was studied longitudinally over two
years. During this period she showed a progressive and profound loss of semantic memory …

Semantic dementia (SD) is a syndrome of progressive loss of semantic knowledge for
objects and people. International criteria propose that SD be included in the frontotemporal …

Results of several prior studies, in which Alzheimer's disease (AD) patients missed the same
concepts on multiple tasks, have been used to substantiate the theory that AD causes …

Category specific semantic impairment (eg living versus nonliving things) has been reported
in association with various pathologies, including herpes simplex encephalitis and semantic …

The present study focuses on semantic deficits in Alzheimer's disease (AD). We distinguish
three different levels of semantic knowledge:(1) lexical,(2) semantic-conceptual,(3) …

Background: Semantic dementia (SD) is characterized by progressive semantic anomia
extending to a multimodal loss of semantic knowledge. Although often considered an early …