Processing Affective Images In The Absence Of Visual Awareness
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Processing Affective Images In The Absence Of Visual Awareness
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Author : Nicholas Andrew Alexander Hedger
language : en
Publisher:
Release Date : 2016
Processing Affective Images In The Absence Of Visual Awareness written by Nicholas Andrew Alexander Hedger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Processing Affective Images In The Absence Of Visual Awareness
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Author : Nicholas Hedger
language : en
Publisher:
Release Date : 2016
Processing Affective Images In The Absence Of Visual Awareness written by Nicholas Hedger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Affective Processing And Non Invasive Brain Stimulation
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Author : Delin Sun
language : en
Publisher: Frontiers Media SA
Release Date : 2022-02-08
Affective Processing And Non Invasive Brain Stimulation written by Delin Sun 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 2022-02-08 with Science categories.
Exploring The Impact Of Affective Processing On Visual Perception Of Large Scale Spatial Environments
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Author : Auroabah S. Almufleh
language : en
Publisher:
Release Date : 2020
Exploring The Impact Of Affective Processing On Visual Perception Of Large Scale Spatial Environments written by Auroabah S. Almufleh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Arousal (Physiology) categories.
This thesis explores the interaction between emotions and visual perception using large scale spatial environment as the medium of this interaction. Emotion has been documented to have an early effect on scene perception (Olofsson, Nordin, Sequeira, & Polich, 2008). Yet, most popularly-used scene stimuli, such as the IAPS or GAPED stimulus sets often depict salient objects embedded in naturalistic backgrounds, or "events" which contain rich social information, such as human faces or bodies. And thus, while previous studies are instrumental to our understanding of the role that social-emotion plays in visual perception, they do not isolate the effect of emotion from the social effects in order to address the specific role that emotion plays in scene recognition - defined here as the recognition of large-scale spatial environments. To address this question, we examined how early emotional valence and arousal impact scene processing, by conducting an Event-Related Potential (ERP) study using a well-controlled set of scene stimuli that reduced the social factor, by focusing on natural scenes which did not contain human faces or actors. The study comprised of two stages. First, we collected affective ratings of 440 natural scene images selected specifically so they will not contain human faces or bodies. Based on these ratings, we divided our scene stimuli into three distinct categories: pleasant, unpleasant, and neutral. In the second stage, we recorded ERPs from a separate group of participants as they viewed a subset of 270 scenes ranked highest in each of their respective categories. Scenes were presented for 200ms, back-masked using white noise, while participants performed an orthogonal fixation task. We found that emotional valence had significant impact on scene perception in which unpleasant scenes had higher P1, N1 and P2 peaks. However, we studied the relative contribution of emotional effect and low-level visual features using dominance analysis which can compare the relative importance of predictors in multiple regression. We found that the relative contribution of emotional effect and low-level visual features (operationalized by the GIST model, (Oliva & Torralba, 2006)) had complete dominance over emotional effects (both valence and arousal) on most early peaks and areas under the curve (AUC). We also found out that affective ratings were significantly influenced by the GIST intensities of the scenes in which scenes with high GIST intensities were more likely to be rated as unpleasant. We concluded that emotional impact in our stimulus set of natural scenes was mostly due to bottom-up effect on scene perception and that controlling for the low-level visual features (particularly the GIST intensity) would be an important step to confirm the affective impact on scene perception.
Novel Frontiers Of Advanced Neuroimaging
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Author : Kostas Fountas
language : en
Publisher: BoD – Books on Demand
Release Date : 2013-01-09
Novel Frontiers Of Advanced Neuroimaging written by Kostas Fountas and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-09 with Medical categories.
Emerging imaging modalities continuously increase the diagnostic sensitivity and accuracy of neuroimaging, and have transformed diagnostic radiology into a powerful research and clinical tool. Various novel neuroimaging modalities have become of paramount importance, not only in establishing diagnosis but also in guiding surgical intervention, and in evaluating the treatment effect. Advanced MR based techniques such as Fractional Anisotropy, Diffusion Tensor Imaging, Proton Spectroscopy, and task-generated as well as resting-state functional MRI have tremendously increased the power of the modern neuroscientist’s armamentarium. The employment of advanced neuroimaging techniques have been expanded in the scientific fields of neuropsychology, consumer’s psychology, and forensic medicine. Our current textbook presents exactly a collection of such innovative work, and explores new frontiers, and future applications of neuroimaging
The Amygdala
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Author : Barbara Ferry
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-07-05
The Amygdala written by Barbara Ferry and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-05 with Medical categories.
The amygdala is a central component of the limbic system, which is known to play a critical role in emotional processing of learning and memory. Over these last 20 years, major advances in techniques for examining brain activity greatly helped the scientific community to determine the nature of the contribution of the amygdala to these fundamental aspects of cognition. Combined with new conceptual breakthroughs, research data obtained in animals and humans have also provided major insights into our understanding of the processes by which amygdala dysfunction contributes to various brain disorders, such as autism or Alzheimer's disease. Although the primary goal of this book is to inform experts and newcomers of some of the latest data in the field of brain structures involved in the mechanisms underlying emotional learning and memory, we hope it will also help stimulate discussion on the functional role of the amygdala and connected brain structures in these mechanisms.
Social Psychology Of Visual Perception
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Author : Emily Balcetis
language : en
Publisher: Psychology Press
Release Date : 2010-05-31
Social Psychology Of Visual Perception written by Emily Balcetis and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-31 with Psychology categories.
This volume synthesizes social, cognitive, ecological, evolutionary, & neuroscience research, showing that the way in which people perceive the world changes with their cognitions, emotions, goals, motivations, culture, & other factors traditionally considered exclusive to social, personality, & cognitive psychology.
Invisible But How The Depth Of Unconscious Processing As Inferred From Different Suppression Techniques
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Author : Julien Dubois
language : en
Publisher: Frontiers Media SA
Release Date : 2015-02-09
Invisible But How The Depth Of Unconscious Processing As Inferred From Different Suppression Techniques written by Julien Dubois 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 2015-02-09 with Psychology categories.
To what level are invisible stimuli processed by the brain in the absence of conscious awareness? It is widely accepted that simple visual properties of invisible stimuli are processed; however, the existence of higher-level unconscious processing (e.g., involving semantic or executive functions) remains a matter of debate. Several methodological factors may underlie the discrepancies found in the literature, such as different levels of conservativeness in the definition of “unconscious” or different dependent measures of unconscious processing. In this research topic, we are particularly interested in yet another factor: inherent differences in the amount of information let through by different suppression techniques. In the same conditions of well-controlled, conservatively established invisibility, can we show that some of the techniques in the “psychophysical magic” arsenal (e.g., masking, but also visual crowding, attentional blink, etc.) reliably lead to higher-level unconscious processing than others (e.g., interocular suppression)? Some authors have started investigating this question, using multiple techniques in similar settings . We argue that this approach should be extended and refined. Indeed, in order to delineate the frontiers of the unconscious mind using a contrastive method, one has to disentangle the limits attributable to unawareness itself, and those attributable to the technique inducing unawareness. The scope of this research topic is to provide a platform for scientists to contribute insights and further experiments addressing this fundamental question.
Experimental Approaches To Body Image Representation And Perception
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Author : Kevin R. Brooks
language : en
Publisher: Frontiers Media SA
Release Date : 2021-12-13
Experimental Approaches To Body Image Representation And Perception written by Kevin R. Brooks 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 2021-12-13 with Science categories.
Understanding Emotions
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Author :
language : en
Publisher: Elsevier
Release Date : 2006-11-13
Understanding Emotions written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-13 with Psychology categories.
Emotions shape all aspects of our thinking and behavior, particularly when we communicate with others. How does our brain respond to emotions conveyed by picture media, human faces, voices, and written language? How do we integrate this information in social interaction? What goes wrong in the brains of people suffering from emotional disorders? This book reviews modern neuroscientific and psychological research providing answers to these questions. In this volume, leading researchers give comprehensive overviews of the current knowledge on different aspects of emotional perception and the underlying brain mechanisms and highlight outstanding research questions for the future. This book provides essential information for other researchers in the fields of affective and cognitive neuroscience as well as for advanced students.