Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"item memory"”.
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Multi-item memory in the primate prefrontal cortex
The ability to retain multiple items in short-term memory is fundamental for cognition, yet almost nothing is known about its neural basis. To explore the mechanisms underlying this ability, we trained two monkeys to remember a sequence of two images across a short delay. We then recorded the …
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How does context variability affect representational pattern similarity to support subsequent item memory?
… and are commonly called "representations" or "memory traces". Existing studies indicate that information about the neural signal corresponding to a memory representation can be found in functional magnetic resonance imaging (fMRI) data when the pattern across its smallest units (voxels, often …
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Investigating domain-general short-term memory for order versus specific item memory in developmental dyslexia
… during the transition from short- to long-term memory. At the same time, models of short-term memory increasingly incorporate a distinction of order and item processing. This work aims to investigate whether serial order processing deficiencies in dyslexia can be traced back to a selective …
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Conspiracy Theory: An Empirical Study of Cheating in a Continuous Testing Environment
The effect of item characteristics on examinee recall of test items is examined in the paper. Study One evaluated item length, difficulty, guessing, discrimination, serial position, misfit, format, memoriability, clarity, familiarity, interest, and examinee ability as predictors of item recall. …
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Immediate and long-term effects of emotion regulation: an eye-tracking investigation of focused attention on emotional experience and memory
… well as to longer-term enhancing effects on our memory for emotional stimuli. In extreme circumstances, increased emotional reactivity to negative stimuli may become symptomatic of mental health problems, including depression or anxiety. One Emotion Regulation (ER) strategy (Focused Attention, …
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A neuroimaging investigation of the association between aerobic fitness, hippocampal volume and memory performance in preadolescent children
… as enhanced hippocampal-dependent learning and memory. Recent evidence extends this relationship to elderly humans by suggesting that high aerobic fitness levels in older adults are associated with increased hippocampal volume and superior memory performance. The present study aimed to further …
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Event-related potential correlates of item and source memory strength
… potential (ERP) studies of recognition memory have shown dissociations between item recognition and source memory, wherein item recognition is associated with the mid-frontal FN400 component, which varies continuously with item memory strength, while source memory is associated with the …
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Relational memory processes in adults with autism spectrum disorder
Research on memory in Autism Spectrum Disorder (ASD) points to difficulties in memory for personal experiences (episodic memory - EM). In particular, difficulties were found for the processing of relations between units of material leaving memory for single items mostly intact. The aim of this …
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Neural Correlates of Item and Item-Context Memory Encoding
… of the formation of episodic memories -- or memory for an item and its context -- have been studied using a functional neuroimaging procedure known as the 'subsequent memory procedure'. In this procedure, neural activity associated with later remembered versus later forgotten study items is …
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The Detection of Neuropsychological Malingering
… measures were utilized: Rey 15-Item Memory Test, Controlled Oral Word Association Test, Finger Oscillation Test, WAIS-R Neuropsychological Instrument (Vocabulary, Information, and Similarities subtests), Booklet Category Test, and Wisconsin Card Sorting Test. The statistical …
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Remembering the past : multimodal imaging of cortical contributions to episodic retrieval
… medial temporal cortical structures that signal item memory strength, thus supporting the perception of item familiarity. Chapter 3 describes an fMRI experiment that demonstrated that retrieval of contextual details involves reactivation of neural patterns engaged at encoding.
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The effects of rhythmic presentation of stimuli on item and source memory
… done on whether this benefit extends to source memory (i.e., memory of contextual details). In this study, thirty-one participants (mean age = 27.39 years; SD = 4.92), were presented with a stream of images of everyday objects with either a cyan (blue) or magenta (pink) border during a study …
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Jogging their memory: developmental effects of fitness, body composition, and nutrition on relational memory
… The hippocampus is necessary for a type of memory, relational memory, which is critical for many types of learning, and thus for successful scholastic achievement. Thus, it may be expected that changes to the functionality of the hippocampus may strongly impact learning capabilities. Another …
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Age Differences in Reward Anticipation and Memory
<p>Aging research on item- and associative-recognition memory has demonstrated that older adults are deficient in forming associations between two unrelated stimuli. Although older adult performance on tests of item-recognition is similar to younger adult performance, older adults perform worse …
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Exploring the self-reference effect and its educational applications in typically developing children and children with Attention Deficit Hyperactivity Disorder
Introduction: It has been discovered that items, events, or actions which are encoded self-referentially result in a memory advantage. This has been termed the ‘self-reference effect’. There is a lack of research concerning self-referential processes within typically developing children, and …
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Change Detection Memory In Rhesus Monkeys and Humans
<p>Visual short-term memory (VSTM) is the storage of visual information over a brief time period (usually a few seconds or less). Over the past decade, the most popular task for studying VSTM in humans has been the change detection task. In this task, subjects must remember several visual items per …
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Investigations of the neural basis of source memory strength
… of the original experience. You may have a memory of the individual items you have encountered. We may also have memories of where those items came from, the source of those memories. Source memory includes elements regarding the perceptual or conceptual context of an item, such as the …
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The role of sleep in consolidation of multi-item bound representations
… of literature has demonstrated that in terms of memory representations, items are not encoded equally. In part this has been suggested to be affected by conceptual knowledge, with items with pre-existing conceptual knowledge easier to encode and thus, more salient in subsequent representations. …