The aim of this dissertation was to test the effectiveness of a cognitive based intervention on semantic memory and word retrieval operations in adults aged 60 years and over with Mild non-clinical Cognitive Impairment (MCI).
Semantic Memory Impairments in Schizophrenia: a Neuropsychological Study to Evaluate Competing Theories. Olivia Doughty A thesis submitted in partial fulfilment of the requirements of the University of Hertfordshire for the degree of Doctor of Philosophy The programme of research was carried out in the Department of Psychology.
Introduction: Several functional magnetic resonance imaging (fMRI) studies have analyzed the famous name discrimination task (FNDT), an uncontrolled semantic memory probe requiring discrimination between famous and unfamiliar individuals. Completion of this simple task recruits a semantic memory network that has shown utility in determining risk for Alzheimer's disease (AD).One of the most frequent differential diagnoses considered by clinicians working with geriatric populations involves the discrimination between vascular dementia (VAD) and Alzheimer's dementia (DAT). VAD and DAT patients often perform characteristically different on memory measures based primarily on the respective neural substrate involved in each disorder.Semantic network breakdown has been posited to be related to the progressive declines observed in Alzheimer’s disease (AD) and its prodromes. While the relationship between semantic memory and AD has been established, the relationship between semantic memory and instrumental activities of daily living (IADL) is less clear.
Thus, relatively little is known about how we store personal semantic information. More research into this stage is necessary if we are to better understand the organisation of semantic memory for familiar people. The primary aim of this dissertation is to provide new evidence relating to the storage and retrieval of such information.Read More
Semantic memory however, is referred to the memory of meanings, and understandings. Eysenck and Keane (2000) suggested one way of thinking about memory organization is coding. Semantic memory could be held for a few minutes or several years. This model suggests that some information is stored and coded visually.Read More
Theses and Dissertations Spring 2016 The hippocampus and semantic memory beyond acquisition: a lesion study of hippocampal contributions to the maintenance,. Semantic memory is not memory of specific times and places, but is general knowledge of facts about the world and words’ meaning. It’s been previously shown that a part of the brain.Read More
Understanding the neural organization of semantic memory - our shared general knowledge - has the potential to uncover the neural mechanisms by which we give meaning to the endless array of objects that we encounter in the world. One prominent set of theories posits a distributed organization of semantic memory - remembering object features activates brain regions overlapping with or adjacent.Read More
Semantic memory is involved in the storing of general knowledge of the world (independent of person’s identity or past) and makes it available for retrieval. Unlike episodic memory, the retrieval process does not involve mental time travel. With the advanced techniques such as the fMRI, the role of hippocampus and other related structures in memory formation has been well established.Read More
University of Windsor Scholarship at UWindsor Electronic Theses and Dissertations Theses, Dissertations, and Major Papers 8-28-2018 The relationship between semantic and episodic memory: Exploring the effect of semantic neighbourhood density on episodic memory Daniela Wong Gonzalez University of Windsor.Read More
Language could not exist without memory, in all its forms: working memory for sequential production and understanding, implicit memory for grammatical rules, semantic memory for knowledge, and episodic memory for communicating personal experience. Episodic memory is part of a more general capacity for mental travel both forward and backward in time, and extending even into fantasy and stories.Read More
This dissertation gives a necessary first step into addressing the existing gap between current episodic-semantic memory theories. This issue becomes particularly relevant for alternative.Read More
Relatively little attention has been paid to the interplay been episodic and semantic memory. This thesis constitutes a series of behavioural, neuroimaging, and computational investigations aimed at elucidating the factors and mechanisms that mediate interactions between episodic and semantic memory.Read More
Semantic memory is one of the two types of explicit memory (or declarative memory) (our memory of facts or events that is explicitly stored and retrieved). Semantic memory refers to general world knowledge that we have accumulated throughout our lives. This general knowledge (facts, ideas, meaning and concepts) is intertwined in experience and dependent on culture.Read More