Inhibitory Processes And Their Relation To Working Memory
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Inhibitory Processes And Their Relation To Working Memory
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Author : Jessica Elizabeth Grant
language : en
Publisher:
Release Date : 1997
Inhibitory Processes And Their Relation To Working Memory written by Jessica Elizabeth Grant and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Working Memory Capacity
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Author : Nelson Cowan
language : en
Publisher: Psychology Press
Release Date : 2016-04-14
Working Memory Capacity written by Nelson Cowan and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-14 with Psychology categories.
The idea of one's memory "filling up" is a humorous misconception of how memory in general is thought to work; it actually has no capacity limit. However, the idea of a "full brain" makes more sense with reference to working memory, which is the limited amount of information a person can hold temporarily in an especially accessible form for use in the completion of almost any challenging cognitive task. This groundbreaking book explains the evidence supporting Cowan's theoretical proposal about working memory capacity, and compares it to competing perspectives. Cognitive psychologists profoundly disagree on how working memory is limited: whether by the number of units that can be retained (and, if so, what kind of units and how many), the types of interfering material, the time that has elapsed, some combination of these mechanisms, or none of them. The book assesses these hypotheses and examines explanations of why capacity limits occur, including vivid biological, cognitive, and evolutionary accounts. The book concludes with a discussion of the practical importance of capacity limits in daily life. This 10th anniversary Classic Edition will continue to be accessible to a wide range of readers and serve as an invaluable reference for all memory researchers.
Variation In Working Memory
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Author : Andrew Conway
language : en
Publisher: Oxford University Press
Release Date : 2008-02-13
Variation In Working Memory written by Andrew Conway and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-13 with Psychology categories.
Working memory--the ability to keep important information in mind while comprehending, thinking, and acting--varies considerably from person to person and changes dramatically during each person's life. Understanding such individual and developmental differences is crucial because working memory is a major contributor to general intellectual functioning. This volume offers a state-of-the-art, integrative, and comprehensive approach to understanding variation in working memory by presenting explicit, detailed comparisons of the leading theories. It incorporates views from the different research groups that operate on each side of the Atlantic, and covers working-memory research on a wide variety of populations, including healthy adults, children with and without learning difficulties, older adults, and adults and children with neurological disorders. A particular strength of this volume is that each research group explicitly addresses the same set of theoretical questions, from the perspective of both their own theoretical and experimental work and from the perspective of relevant alternative approaches. Through these questions, each research group considers their overarching theory of working memory, specifies the critical sources of working memory variation according to their theory, reflects on the compatibility of their approach with other approaches, and assesses their contribution to general working memory theory. This shared focus across chapters unifies the volume and highlights the similarities and differences among the various theories. Each chapter includes both a summary of research positions and a detailed discussion of each position. Variation in Working Memory achieves coherence across its chapters, while presenting the entire range of current theoretical and experimental approaches to variation in working memory.
Inhibition Attentional Control And Causes Of Forgetting In Working Memory A Formal Approach
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Author : Odir Antonio Rodriguez-Villagra
language : en
Publisher:
Release Date : 2013
Inhibition Attentional Control And Causes Of Forgetting In Working Memory A Formal Approach written by Odir Antonio Rodriguez-Villagra and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
In many cognitive activities, the temporary maintenance and manipulation of mental objects is a necessary step in order to reach a cognitive goal. Working memory has been regarded as the process responsible for those cognitive activities. This thesis addresses the question: what limits working-memory capacity (WMC)? A question that still remains controversial (Barrouillet & Camos, 2009; Lewandowsky, Oberauer, & Brown, 2009). This study attempted to answer this question by proposing that the dynamics between the causes of forgetting and the processes helping the maintenance, and the manipulation of the memoranda are the key aspects in understanding the limits of WMC. Chapter 1 introduced key constructs and the strategy to examine the dynamics between inhibition, attentional control, and the causes of forgetting in working memory. The study in Chapter 2 tested the performance of children, young adults, and old adults in a working-memory updating-task with two conditions: one condition included go steps and the other condition included go, and no-go steps. The interference model (IM; Oberauer & Kliegl, 2006), a model proposing interference-related mechanisms as the main cause of forgetting was used to simultaneously fit the data of these age groups. In addition to the interference-related parameters reflecting interference by feature overwriting and interference by confusion, and in addition to the parameters reflecting the speed of processing, the study included a new parameter that captured the time for switching between go steps and no-go steps. The study indicated that children and young adults were less susceptible than old adults to interference by feature overwriting; children were the most susceptible to interference by confusion, followed by old adults and then by young adults; young adults presented the higher rate of processing, followed by children and then by old adults; and young adults were the fastest group switching from go steps to no-go steps. Chapter 3 examined the dynamics between causes of forgetting and the inhibition of a prepotent response in the context of three formal models of the limits of WMC: A resources model, a decay-based model, and three versions of the IM. The resources model was built on the assumption that a limited and shared source of activation for the maintenance and manipulation of the objects underlies the limits of WMC. The decay model assumes that memory traces of the working-memory objects decay over time if they are not reactivated via different mechanisms of maintenance. The IM, already described, proposes that interference-related mechanisms explain the limits of WMC. In two experiments and in a reanalysis of data of the second experiment, one version of the IM received more statistical support from the data. This version of the IM proposes that interference by feature overwriting and interference by confusion are the main factors underlying the limits of WMC. In addition, the model suggests that experimental conditions involving the inhibition of a prepotent response reduce the speed of processing and promotes the involuntary activation of irrelevant information in working memory. Chapter 4 summed up Chapter 2 and 3 and discussed their findings and presented how this thesis has provided evidence of interference-related mechanisms as the main cause of forgetting, and it has attempted to clarify the role of inhibition and attentional control in working memory. With the implementation of formal models and experimental manipulations in the framework of nonlinear mixed models the data offered explanations of causes of forgetting and the role of inhibition in WMC at different levels: developmental effects, aging effects, effects related to experimental manipulations and individual differences in these effects. Thus, the present approach afforded a comprehensive view of a large number of factors limiting WMC
Inhibition Attentional Control And Causes Of Forgetting In Working Memory A Formal Approach
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Author :
language : en
Publisher:
Release Date : 2013
Inhibition Attentional Control And Causes Of Forgetting In Working Memory A Formal Approach written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
In many cognitive activities, the temporary maintenance and manipulation of mental objects is a necessary step in order to reach a cognitive goal. Working memory has been regarded as the process responsible for those cognitive activities. This thesis addresses the question: what limits working-memory capacity (WMC)? A question that still remains controversial (Barrouillet & Camos, 2009; Lewandowsky, Oberauer, & Brown, 2009). This study attempted to answer this question by proposing that the dynamics between the causes of forgetting and the processes helping the maintenance, and the manipulation of the memoranda are the key aspects in understanding the limits of WMC. Chapter 1 introduced key constructs and the strategy to examine the dynamics between inhibition, attentional control, and the causes of forgetting in working memory. The study in Chapter 2 tested the performance of children, young adults, and old adults in a working-memory updating-task with two conditions: one condition included go steps and the other condition included go, and no-go steps. The interference model (IM; Oberauer & Kliegl, 2006), a model proposing interference-related mechanisms as the main cause of forgetting was used to simultaneously fit the data of these age groups. In addition to the interference-related parameters reflecting interference by feature overwriting and interference by confusion, and in addition to the parameters reflecting the speed of processing, the study included a new parameter that captured the time for switching between go steps and no-go steps. The study indicated that children and young adults were less susceptible than old adults to interference by feature overwriting; children were the most susceptible to interference by confusion, followed by old adults and then by young adults; young adults presented the higher rate of processing, followed by children and then by old adults; and young adults were the fastest group switching from go steps to no-go steps. Chapter 3 examined the dynamics between causes of forgetting and the inhibition of a prepotent response in the context of three formal models of the limits of WMC: A resources model, a decay-based model, and three versions of the IM. The resources model was built on the assumption that a limited and shared source of activation for the maintenance and manipulation of the objects underlies the limits of WMC. The decay model assumes that memory traces of the working-memory objects decay over time if they are not reactivated via different mechanisms of maintenance. The IM, already described, proposes that interference-related mechanisms explain the limits of WMC. In two experiments and in a reanalysis of data of the second experiment, one version of the IM received more statistical support from the data. This version of the IM proposes that interference by feature overwriting and interference by confusion are the main factors underlying the limits of WMC. In addition, the model suggests that experimental conditions involving the inhibition of a prepotent response reduce the speed of processing and promotes the involuntary activation of irrelevant information in working memory. Chapter 4 summed up Chapter 2 and 3 and discussed their findings and presented how this thesis has provided evidence of interference-related mechanisms as the main cause of forgetting, and it has attempted to clarify the role of inhibition and attentional control in working memory. With the implementation of formal models and experimental manipulations in the framework of nonlinear mixed models the data offered explanations of causes of forgetting and the role of inhibition in WMC at different levels: developmental effects, aging effects, effects related to experimental manipulations and individual differences in these effects. Thus, the present approach afforded a comprehensive view of a large number of factors limiting WMC
Inhibition In Cognition
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Author : David S. Gorfein
language : en
Publisher: American Psychological Association (APA)
Release Date : 2007
Inhibition In Cognition written by David S. Gorfein and has been published by American Psychological Association (APA) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Psychology categories.
Gorfein and MacLeod have compiled a collection of chapters written by top researchers in psychology discussing the concept of inhibition at the level of cognition and behavior. This work thoroughly addresses the concept of inhibition and covers the broad range of cognition, from attention and performance through memory and language.
Improving Working Memory In Learning And Intellectual Disabilities
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Author : Silvia Lanfranchi
language : en
Publisher: Frontiers Media SA
Release Date : 2016-08-05
Improving Working Memory In Learning And Intellectual Disabilities written by Silvia Lanfranchi and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-05 with Psychology categories.
The last forty years of research have demonstrated that working memory (WM) is a key concept for understanding higher-order cognition. To give an example, WM is involved in reading comprehension, problem solving and reasoning, but also in a number of everyday life activities. It has a clear role in the case of atypical development too. For instance, numerous studies have shown an impairment in WM in individuals with learning disabilities (LD) or intellectual disabilities (ID); and several researchers have hypothesized that this can be linked to their difficulties in learning, cognition and everyday life. The latest challenge in the field concerns the trainability of WM. If it is a construct central to our understanding of cognition in typical and atypical development, then specific intervention to sustain WM performance might also promote changes in cognitive processes associated with WM. The idea that WM can be modified is debated, however, partly because of the theoretical implications of this view, and partly due to the generally contradictory results obtained so far. In fact, most studies converge in demonstrating specific effects of WM training, i.e. improvements in the trained tasks, but few transfer effects to allied cognitive processes are generally reported. It is worth noting that any maintenance effects (when investigated) are even more meagre. In addition, a number of methodological concerns have been raised in relation to the use of: 1. single tasks to assess the effects of a training program; 2. WM tasks differing from those used in the training to assess the effects of WM training; and 3. passive control groups. These and other crucial issues have so far prevented any conclusions from being drawn on the efficacy of WM training. Bearing in mind that the opportunity to train WM could have a huge impact in the educational and clinical settings, it seems fundamentally important to shed more light on the limits and potential of this line of research. The aim of the research discussed here is to generate new evidence on the feasibility of training WM in individuals with LD and ID. There are several questions that could be raised in this field. For a start, can WM be trained in this population? Are there some aspects of WM that can be trained more easily than others? Can a WM training reduce the impact of LD and ID on learning outcomes, and on everyday living? What kind of training program is best suited to the promotion of such changes?
Interference And Inhibition In Cognition
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Author : Charles J. Brainerd
language : en
Publisher: Academic Press
Release Date : 1995-02-08
Interference And Inhibition In Cognition written by Charles J. Brainerd and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-02-08 with Psychology categories.
Life scientists have long been familiar with the notion of interference and inhibition in biological systems 3/4 most notably in the neuron. Now these concepts have been applied to cognitive psychology to explain processes in attention, learning, memory, comprehension, and reasoning. Presenting an overview of research findings in this realm, Interference and Inhibition in Cognition discusses what processes are sensitive to interference, individual differences in interference sensitivity, and how age and experience factor into one's ability to inhibit interference. Provides empirical and theoretical perspectives Discusses how inhibition and interference change with age and experience Illustrates the ways in which interference affects language processing, attention, perception, learning, and memory
Cognitive And Working Memory Training
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Author : Jared M. Novick
language : en
Publisher: Oxford University Press, USA
Release Date : 2019-12
Cognitive And Working Memory Training written by Jared M. Novick and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12 with Psychology categories.
Cognitive and Working Memory Training assembles an interdisciplinary group of distinguished authors--all experts in the field--who have been testing the efficacy of cognitive and working memory training using a combination of behavioral, neuroimaging, meta-analytic, and computational modelling methods. This edited volume is a defining resource on the practicality and utility of the field of cognitive training research in general, and working memory training in particular. Importantly, one focus of the book is on the notion of transfer--namely, the extent to which cognitive training--be it through music, video-game play, or working memory demanding interventions at school--generalizes to learning and performance measures that were decidedly not part of the training regimen. As most cognitive scientists (and perhaps many casual observers) recognize, the notions of cognitive training and transfer have been widely controversial for many reasons, including disagreement over the reliability of outcomes and consensus on methodological "best practices," and even the ecological validity of laboratory-based tests. This collection does not resolve these debates of course; but its contribution is to address them directly by creating an exchange in a single compendium among scientists who, in separate research publications, do not always reach the same conclusions. The book is organized around comprehensive overview chapters from different disciplinary perspectives--Cognitive Psychology (by Hicks and Engle), Neuroscience (by Kuchinsky and Haarmann), and Development (by Ling and Diamond)--that define major issues, terms, and themes in the field, with a pointed set of challenge questions to which other scientists respond in subsequent chapters. The goal of this volume is to educate. It is designed for students and researchers, and perhaps the armchair psychologist. Crucially, the contributors recognize that it is good for science to persistently confront our understanding of an area: Debate and alternative viewpoints, backed by theory, data, and inferences drawn from the evidence, is what advances scientific knowledge. This book probes established paradigms in cognitive training research, and the long-form of these chapters (not found in scientific journals) allows detailed exploration of the current state of the science. Such breadth intends to invite novel ways of thinking about the nature of cognitive and perceptual plasticity, which may enlighten either new efforts at training, new inferences about prior results, or both.
Working Memory And Human Cognition
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Author : John T. E. Richardson
language : en
Publisher: Oxford University Press
Release Date : 1996-05-16
Working Memory And Human Cognition written by John T. E. Richardson and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-05-16 with Psychology categories.
This new volume in the Counterpoints series compares and contrasts different conceptions of working memory, generally recognized as the human cognitive system responsible for temporary storage of information. The book includes proponents of several different views. Robert Logie discusses the theoretical and empirical utility of separating working memory into an articulatory loop, a phonological store, and a visuo-spatial sketchpad into visual and spatial subsystems. Patricia Carpenter provides evidence for a process view of working memory, arguing that both task-specific processing and general processing capabilities can account for the full range of working memory phenomena. She focuses on findings from reading comprehension and memory tasks suggesting that working memory is used to represent the set of skills and strategies necessary for complex tasks, while retaining residual capacity for use as a storage buffer. Lynn Hasher argues in favor of the new inhibitory model, with evidence drawn from the literature on aging and pathology that demonstrates parallels between memory disorders and normal memory functioning. Randall Engle addresses the issue of whether working memory resources are required for retrieval of information or whether that task is relatively automatic. Engle's empirical studies, in turn, bear directly on the positions of Carpenter, Hasher, and Logie. As interest in working memory is increasing at a rapid pace, an open discussion of the central issues involved is both useful and timely. This work serves this purpose for a wide audience of cognitive psychologists and their students.