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    Self-Imagining, Recognition Memory, and Prospective Memory in Memory-Impaired Individuals with Neurological Damage

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    Author
    Grilli, Matthew Dennis
    Issue Date
    2009
    Keywords
    cognitive rehabilitation
    imagination
    prospective memory
    recognition memory
    self-referential processing
    Advisor
    Glisky, Elizabeth L
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    The present study investigated the reliability and robustness of a new mnemonic strategy - self-imagination - in a group of memory-impaired individuals with neurological damage. Despite severe memory deficits, almost all of the participants demonstrated a self-imagination effect (SIE) for recognition memory in study 1. Moreover, the ability to benefit from self-imagination was not affected by the severity of the memory deficit. In study 3, more than half of the participants showed a SIE on a task of event-based prospective memory. The data from study 2 suggest the SIE is not attributable to semantic processing or emotional processing and indicate that self-imagination is distinct from other mnemonic strategies. Overall the findings from the present study implicate self-imagination as a new and effective mnemonic strategy. The data also indicate that when it comes to memory there is something special about processing information in relation to the self.
    Type
    text
    Electronic Thesis
    Degree Name
    M.A.
    Degree Level
    masters
    Degree Program
    Psychology
    Graduate College
    Degree Grantor
    University of Arizona
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    Master's Theses

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      The relationship between memory for category and memory for specific instance.

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      Imagining a Better Memory: Theoretical and Clinical Implications of the Self-Imagination Effect in Memory

      Glisky, Elizabeth; Grilli, Matthew Dennis; Allen, John J.B.; Nadel, Lynn; Ryan, Lee; Glisky, Elizabeth (The University of Arizona., 2012)
      Prior research suggests that aspects of self-knowledge are relatively intact in many memory-impaired patients with acquired brain injury. Therefore, cognitive strategies that rely on preserved mechanisms of the self may be particularly effective in this population. The three studies presented in this dissertation investigated the practical utility and mnemonic mechanisms of a novel cognitive strategy designed to capitalize on self-referential processing: self-imagination. Study 1 investigated the effect of self-imagining on cued recall in memory-impaired patients with acquired brain injury and healthy controls. Sixteen patients and sixteen healthy controls intentionally encoded word pairs under four separate conditions: visual imagery, semantic elaboration, other person imagining, and self-imagining. The results revealed that self-imagining enhanced cued recall more than the other encoding conditions in patients and healthy controls. Study 2 was an initial investigation of the effect of self-imagining on free recall. Twenty healthy adults intentionally encoded word pairs under four conditions: self-imagining, a self-descriptiveness task thought to rely on access to semantic information in self-knowledge, an autobiographical memory task requiring retrieval of a self-relevant episodic memory, and a structural processing task. The results demonstrated that self-imagining improved free recall more than the other encoding conditions in healthy adults. Study 3 investigated the effect of self-imagining on free recall in memory-impaired patients with acquired brain injury and healthy controls. Fifteen patients and fifteen healthy controls intentionally encoded personality trait adjectives under five conditions: a self-imagining task, a self-descriptiveness task, an episodic autobiographical memory task, a semantic elaboration task, and a phonemic processing task. The results revealed that the advantage of self-imagining over the other cognitive strategies extended to free recall in patients. Furthermore, the results indicated that the mnemonic benefit of self-imagining was partly attributable to preserved mechanisms associated with the retrieval of semantic information in self-knowledge. The findings from this dissertation indicate that self-imagining is a self-referential cognitive strategy that generates robust and reliable mnemonic improvement in memory-impaired patients with acquired brain injury and healthy controls. Cognitive strategies that involve preserved mnemonic mechanisms of the self, such as self-imagination, may provide a new direction in cognitive rehabilitation.
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