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Articles 1 - 12 of 12
Full-Text Articles in Entire DC Network
Nicotine Enhances Acquisition Of A T-Maze Visual Discrimination: Assessment Of Individual Differences, J. Besheer, Rick A. Bevins
Nicotine Enhances Acquisition Of A T-Maze Visual Discrimination: Assessment Of Individual Differences, J. Besheer, Rick A. Bevins
Department of Psychology: Faculty Publications
In the present report, rats' performance was assessed in five tasks designed to measure behavioral response to different novel stimuli under different experimental situations. Daily nicotine treatment (0, 0.3 or l.0 mg/kg) began after the conclusion of the behavioral tasks and continued throughout the experiment. Training of a T-maze visual discrimination task commenced after 11 days of nicotine pretreatment. As a group, rats treated with the higher dose of nicotine (l.0 mg/kg) made fewer errors to acquire the initial T-maze discrimination than saline-treated controls. Activity induced by an inescapable novel environment (i.e. first behavioral screen) was positively correlated with the …
The Long Road Called Goodbye (Excerpt), Charlotte A. Akin
The Long Road Called Goodbye (Excerpt), Charlotte A. Akin
Biography
Part clinical case study, part family journal, The Long Road Called Goodbye is a powerful and moving account of one family's thirteen-year struggle with Alzheimer's. This engaging informative book is a closely documented clinical study that reads like a novel, filled with all the feelings, crises, and conflicts experienced by patient and family. It is a story of love, loyalty, perseverance, strength, and dignity. The Long Road Called Goodbye makes a major contribution to the care of AD patients and their families. The book will be of interest to professionals who work with Alzheimer's patients, including physicians, staff at care-giving …
Eye Position Signal Modulates A Human Parietal Pointing Region During Memory-Guided Movements., J F Desouza, S P Dukelow, J S Gati, R S Menon, R A Andersen, T Vilis
Eye Position Signal Modulates A Human Parietal Pointing Region During Memory-Guided Movements., J F Desouza, S P Dukelow, J S Gati, R S Menon, R A Andersen, T Vilis
Brain and Mind Institute Researchers' Publications
Using functional magnetic resonance imaging, we examined the signal in parietal regions that were selectively activated during delayed pointing to flashed visual targets and determined whether this signal was dependent on the fixation position of the eyes. Delayed pointing activated a bilateral parietal area in the intraparietal sulcus (rIPS), rostral/anterior to areas activated by saccades. During right-hand pointing to centrally located targets, the left rIPS region showed a significant increase in activation when the eye position was rightward compared with leftward. As expected, activation in motor cortex showed no modulation when only eye position changed. During pointing to retinotopically identical …
The Effect Of Feedback At Test On Source Memory Performance, Shelby Kainani Morita
The Effect Of Feedback At Test On Source Memory Performance, Shelby Kainani Morita
UNLV Retrospective Theses & Dissertations
Previous research has demonstrated that witnesses can come to believe they saw details that were only suggested to them after the witnessed event. For both theoretical and practical reasons, there is interest in developing techniques that reduce the effect of misleading post-event information. The present study examined the effect of receiving feedback at the time of retrieval on eyewitness suggestibility. All participants watched a videotaped crime of a home burglary and then answered questions that contained misleading information. On a final source memory test, participants that were provided with feedback as to the accuracy of their attributions during the first …
Trackless On-Line Paging And Computer Memory Management, Edward Benjamin Mikhalkov
Trackless On-Line Paging And Computer Memory Management, Edward Benjamin Mikhalkov
UNLV Retrospective Theses & Dissertations
We consider existing research methodology for dealing with competitiveness analysis of on-line algorithms as well as introduce some newer analysis techniques for testing research hypotheses. Paging is discussed in general and current algorithms are surveyed and analyzed; We also present a new randomized on-line algorithm for the 2-page cache problem that matches the lower bound, and, therefore, is optimal. The algorithm uses fewer resources than currently known algorithms for the same problem, and is, therefore, an improvement on existing results. Experimental findings for this new algorithm are also presented and analyzed.
The Cognitive-Initiative Account Of Depression-Related Impairments In Memory, Paula T. Hertel
The Cognitive-Initiative Account Of Depression-Related Impairments In Memory, Paula T. Hertel
Psychology Faculty Research
The many and diverse interpretations of the word control make it clear that control constitutes a fundamental concern in most areas of psychology. In an illustration of this diversity, I described my interest in controlled uses of memory at a social gathering; my new acquaintances, without realizing the non sequitur, subsequently raised issues about self control and loss of control-issues much more relevant to their own interests in psychological phenomena than are my narrow musings. Yet a second thought devoted to the semantics of control reveals underlying commonalities. For example, when older people begin to have problems with controlled …
Capacity And Procedural Accounts Of Impaired Memory In Depression, Paula T. Hertel, T. Meiser
Capacity And Procedural Accounts Of Impaired Memory In Depression, Paula T. Hertel, T. Meiser
Psychology Faculty Research
Findings of impaired memory in states of dysphoria or depression are summarized and subsumed under different accounts of mood-related memory deficits. Theoretical accounts based on the assumption of a storage system of limited capacity are compared to accounts which emphasize the role of procedures and strategies in attending and remembering. Two reanalyses of a recent experiment in the process-dissociation paradigm are reported. They address issues of dysphoria-related differences in automatic versus controlled uses of memory in a task of word-stem completion. The two reanalyses rest on different assumptions about the relation between automatic and controlled components, but they converge in …
Attention, Memory, And Self-Efficacy Differences Between Adhd And Aging Individuals, Douglas Lee Welsh
Attention, Memory, And Self-Efficacy Differences Between Adhd And Aging Individuals, Douglas Lee Welsh
Master's Theses
Attention and memory abilities decline with age. Although a similar pattern of attentional and memory decrement has been observed in individuals with Attention Deficit Hyperactivity Disorder (ADHD), these two populations have never been directly compared. The present study examined performance on attention, self-efficacy (SE), and memory tasks by ADHD young adults and non-ADHD younger and older adults. ADHD adults displayed lower attentional SE than both non-ADHD younger and older adults, but performed comparably to older adults on an attention task on which non-ADHD younger adults outperformed both groups. ADHD adults and older adults had lower memory SE than non-AD HD …
Montaigne And The Coherence Of Memory, Douglas Mcfarland
Montaigne And The Coherence Of Memory, Douglas Mcfarland
Quidditas
Among the many classical authorities to whom Montaigne refers either through direct reference or quotation, little attention has been paid to Lucan and to his contribution to the intellectual and rhetorical strategies of the Essais. Hugo Friedrich, for instance, in his chapter on Montaigne’s intellectual inheritance from the classical world, does not even mention Lucan’s name. Although Virgil, Lucretius, Plutarch, and several others clearly have influenced both the style and content of the Essais in seemingly more direct and overt ways, Montaigne, nevertheless, turns to Lucan consistently and with regularity. The essayist directly alludes to Lucan on three occasions …
The Cherries, Kate Decarvalho, Fleet Library, Special Collections, Jan Baker
The Cherries, Kate Decarvalho, Fleet Library, Special Collections, Jan Baker
Stories
This book was completed for Jan Baker's artists' book class.
Mental And Behavioral Disturbances In Dementia: Findings From The Cache County Study On Memory In Aging, Constantine G. Lyketsos, Martin Steinberg, Joann T. Tschanz, Maria C. Norton, David C. Steffens, John C. S. Breitner
Mental And Behavioral Disturbances In Dementia: Findings From The Cache County Study On Memory In Aging, Constantine G. Lyketsos, Martin Steinberg, Joann T. Tschanz, Maria C. Norton, David C. Steffens, John C. S. Breitner
Psychology Faculty Publications
OBJECTIVE: The authors report findings from a study of 5,092 community residents who constituted 90% of the elderly resident population of Cache County, Utah. METHOD: The 5,092 participants, who were 65 years old or older, were screened for dementia. Based on the results of this screen, 1,002 participants (329 with dementia and 673 without dementia) underwent comprehensive neuropsychiatric examinations and were rated on the Neuropsychiatric Inventory, a widely used method for ascertainment and classification of dementia-associated mental and behavioral disturbances. RESULTS: Of the 329 participants with dementia, 214 (65%) had Alzheimer’s disease, 62 (19%) had vascular dementia, and 53 (16%) …
Immediate And Delayed Stimulus Repetitions Evoke Different Erps In A Serial-Probe Recognition Task., Stephen L. Crites, Pedro Delgado, James V. Devine, Dora I. I. Lozano
Immediate And Delayed Stimulus Repetitions Evoke Different Erps In A Serial-Probe Recognition Task., Stephen L. Crites, Pedro Delgado, James V. Devine, Dora I. I. Lozano
Stephen L Crites Jr.
Examined whether event-related potentials (ERPs) associated with stimulus repetition and recognition in a serial-probe recognition task were comparable to ERPs in other tasks that are more typically used to investigate old/new ERP effects. The experiment consisted of 320 trials in which a recognition probe followed a four-item memory set; 160 trials consisted of images depicting common objects that were easy to label (EL task), and 160 trials consisted of images depicting abstract patterns that were difficult to label (DL task). 19 Ss indicated whether a probe that followed each memory set was or was not presented in the memory set. …