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Examining Auditory Selective Attention

Examining Auditory Selective Attention
Author: Josefa Oberem
Publisher:
Total Pages: 177
Release: 2020-04-10
Genre: Auditory selective attention
ISBN: 9783832551018
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The aim of the present thesis is to examine the cognitive control mechanisms underlying auditory selective attention by considering the influence of variables that increase the complexity of an auditory scene. Therefore, technical aspects such as dynamic binaural hearing, room acoustics and head movements as well as those that influence the efficiency of cognitive processing are taken into account. Step-by-step the well-established dichotic-listening paradigm is extended into a realistic spatial listening paradigm. Conducted empirical surveys are based on a paradigm examining the intentional switching of auditory selective attention. Performance measure differences between the repetition of the target's spatial position and the related switch describe the loss of efficiency associated with redirecting attention from one target's location to another. To examine whether the irrelevant auditory information is decoded, interference in the processing of task-relevant and task-irrelevant information is created in the paradigm. Using the binaural-listening paradigm, the ability to intentionally switch auditory selective attention is tested when applying different methods of spatial reproduction. Essential differences between real sources, an individual and a non-individual binaural synthesis are found. As a step towards multi-talker scenarios in realistic environments participants are tested in differently reverberating environments, resulting in highly affected switch costs. Age-related effects are found when applying the binaural-listening paradigm, indicating difficulties for elderly to suppress processing the distractor's speech.

The Handbook of Attention

The Handbook of Attention
Author: Jonathan Fawcett
Publisher: MIT Press
Total Pages: 695
Release: 2015-11-27
Genre: Science
ISBN: 0262331896
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An authoritative overview of current research on human attention, emphasizing the relation between cognitive phenomena observed in the laboratory and in the real world. Laboratory research on human attention has often been conducted under conditions that bear little resemblance to the complexity of our everyday lives. Although this research has yielded interesting discoveries, few scholars have truly connected these findings to natural experiences. This book bridges the gap between “laboratory and life” by bringing together cutting-edge research using traditional methodologies with research that focuses on attention in everyday contexts. It offers definitive reviews by both established and rising research stars on foundational topics such as visual attention and cognitive control, underrepresented domains such as auditory and temporal attention, and emerging areas of investigation such as mind wandering and embodied attention. The contributors discuss a range of approaches and methodologies, including psychophysics, mental chronometry, stationary and mobile eye-tracking, and electrophysiological and functional brain imaging. Chapters on everyday attention consider such diverse activities as driving, shopping, reading, multitasking, and playing videogames. All chapters present their topics in the same overall format: historical context, current research, the possible integration of laboratory and real-world approaches, future directions, and key and outstanding issues. Contributors Richard A. Abrams, Lewis Baker, Daphne Bavelier, Virginia Best, Adam B. Blake, Paul W. Burgess, Alan D. Castel, Karen Collins, Mike J. Dixon, Sidney K. D'Mello, Julia Föcker, Charles L. Folk, Tom Foulsham, Jonathan A. Fugelsang, Bradley S. Gibson, Matthias S. Gobel, Davood G. Gozli, Arthur C. Graesser, Peter A. Hancock, Kevin A. Harrigan, Simone G. Heideman, Cristy Ho, Roxane J. Itier, Gustav Kuhn, Michael F. Land, Mallorie Leinenger, Daniel Levin, Steven J. Luck, Gerald Matthews, Daniel Memmert, Stephen Monsell, Meeneley Nazarian, Anna C. Nobre, Andrew M. Olney, Kerri Pickel, Jay Pratt, Keith Rayner, Daniel C. Richardson, Evan F. Risko, Barbara Shinn-Cunningham, Vivian Siu, Jonathan Smallwood, Charles Spence, David Strayer, Pedro Sztybel, Benjamin W. Tatler, Eric T. Taylor, Jeff Templeton, Robert Teszka, Michel Wedel, Blaire J. Weidler, Lisa Wojtowicz, Jeremy M. Wolfe, Geoffrey F. Woodman

Molecular Psychophysics of Selective Auditory Attention

Molecular Psychophysics of Selective Auditory Attention
Author: Alison Y. Tan
Publisher:
Total Pages: 75
Release: 2015
Genre:
ISBN: 9781339528595
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Mechanisms underlying selective auditory attention currently lack a comprehensive theoretical framework for considering many empirical phenomena. For instance, there exists little scientific vernacular for discussing differences in dichotic and diotic performance under conditions with equivalent information. The following work applies an empirical paradigm that adds noise to the stimulus as a means to study attention to individual components of the stimulus complex. The first part uses a sample discrimination task that presents tones to alternating ears while manipulating parameters such as informativeness, inter-tone interval, and binaural differences in loudness. Only 2 of 9 listeners showed an optimal listening strategy. Most, instead, show a left-ear advantage and are unduly influenced by loud tones that carry little information. The second part examines selective attention to the basic dimensions of sound - pitch, timbre (e.g., roughness), and loudness. Methods were developed to manipulate the stimulus and observe the effect of specific cue. A theoretical model associated with each cue yields a different pattern of decision weights in a discrimination task. Listeners are instructed to attend to target cues and estimated weights quantify the degree of selective attention to that cue. Some listeners matched theoretical predictions, whereas others appear to use a combination of cues, rather than a single cue. I show that there are clear changes to estimated weights that directly reflect perceptual changes to an isolated cue when a second and then a third cue wis introduced. Findings from both sets of studies introduce novel ways to study auditory selective attention and provide initial building blocks for a theoretical framework.

Attention

Attention
Author: Addie Johnson
Publisher: SAGE
Total Pages: 489
Release: 2004
Genre: Psychology
ISBN: 0761927611
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Attention: Theory and Practice provides a balance between a readable overview of attention and an emphasis on how theories and paradigms for the study of attention have developed. The book highlights the important issues and major findings while giving sufficient details of experimental studies, models, and theories so that results and conclusions are easy to follow and evaluate. Rather than brushing over tricky technical details, the authors explain them clearly, giving readers the benefit of understanding the motivation for and techniques of the experiments in order to allow readers to think through results, models, and theories for themselves. Attention is an accessible text for advanced undergraduate and graduate students in psychology, as well as an important resource for researchers and practitioners interested in gaining an overview of the field of attention.

Mechanisms of Sensory Working Memory

Mechanisms of Sensory Working Memory
Author: Pierre Jolicoeur
Publisher: Elsevier
Total Pages: 304
Release: 2016-06-17
Genre: Psychology
ISBN: 0128110430
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Mechanisms of Sensory Working Memory: Attention and Performance XXV provides an update on research surrounding the memory processes that are crucial for many facets of cognitive processing and experience, with new coverage of emerging areas of study, including a new understanding of working memory for features of stimuli devoid of verbal, phonological, or long-term memory content, such as memory for simple visual features (e.g., texture or color), simple auditory features (e.g., pitch), or simple tactile features (e.g., vibration frequency), now called sensory memory to distinguish from verbal memory. This contemporary focus on sensory memory is just beginning, and this collection of original contributions provides a foundational reference for the study mechanisms of sensory memory. Students, scholars, and researchers studying memory mechanisms and processes in cognitive neuroscience, cognitive science, neuroscience, and psychology will find this book of great value to their work. Introduces the study of sensory mechanisms of working memory as distinct from verbal memory Covers visual memory, auditory memory, and tactile memory Includes translational content as the breakdown of working memory is often associated with a disease, disorder, or trauma to the brain

Selective Auditory Attention

Selective Auditory Attention
Author: Tamar Zelniker
Publisher:
Total Pages: 128
Release: 1969
Genre: Attention
ISBN:
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