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Hierarchical Object Representations in the Visual Cortex and Computer Vision
Over the past 40 years, neurobiology and computational neuroscience has proved that deeper understanding of visual processes in humans and non-human primates can lead to important advancements in computational perception theories and systems. One of the main difficulties that arises when designing automatic vision systems is developing a mechanism that can recognize - or simply find - an object when faced with all the possible variations that may occur in a natural scene, with the ease of the primate visual system. The area of the brain in primates that is dedicated at analyzing visual information is the visual cortex. The visual cortex performs a wide variety of complex tasks by means of si...
Cerebral Cortex
Over the last twenty-five years, there has been an extensive effort, still growing for that matter, to explore and understand the organization of extrastriate cor tex in primates. We now recognize that most of caudal neocortex is visual in some sense and that this large visual region includes many distinct areas. Some of these areas have been well defined, and connections, neural properties, and the functional consequences of deactivations have been studied. More recently, non invasive imaging of cortical activity patterns during visual tasks has led to an expanding stream of papers on extrastriate visual cortex of humans, and results have been related to theories of visual cortex organizati...
Limbic-Brainstem Roles in Perception, Cognition, Emotion and Behavior
The brainstem-limbic regions, including the superior colliculus, pulvinar and amygdala, receive direct perceptual information as a rapid, coarse, subcortical sensory system bypassing early sensory cortical systems, and play a central role in innate behaviors, including motivated and avoidance behaviors. Recent human neuropsychological studies including those on cortical blindness suggest that these subcortical sensory pathways are functional in the intact human brain and interact with more evolutionary recent cortical systems. This eBook presents up-to-date advancements in this area and to highlight the functions of the brainstem-limbic regions in a variety of perceptual, cognitive, affective and behavioral domains. We hope that this current Research Topic provides a comprehensive review to understand roles of the subcortical brainstem-limbic regions in some forms of sensory-motor coupling, cognitive and affective functions.
Attention and consciousness in different senses
Although often used in everyday speech and in the scholarly literature, “selective attention” and “consciousness” lack clear, undisputed definitions. Partly because of this deficit there exists a lively debate on the relationship between the two. Nevertheless, attention has been studied scientifically for a long time, because a variety of tasks allow researchers to control several of its aspects (e.g. focused and feature-based attention). Consciousness as a scientific subject of study has emerged more recently, but is now rapidly gaining traction. Scientific studies of consciousness concern the state or level of consciousness (e.g., awake as opposed to in coma, dreamless sleep or und...
The Evolution of Fantasy Role-Playing Games
Tracing the evolution of fantasy gaming from its origins in tabletop war and collectible card games to contemporary web-based live action and massive multi-player games, this book examines the archetypes and concepts within the fantasy gaming genre alongside the roles and functions of the game players themselves. Other topics include: how The Hobbit and The Lord of the Rings helped shape fantasy gaming through Tolkien's obsessive attention to detail and virtual world building; the community-based fellowship embraced by players of both play-by-post and persistent browser-based games, despite the fact that these games are fundamentally solo experiences; the origins of gamebooks and interactive fiction; and the evolution of online gaming in terms of technological capabilities, media richness, narrative structure, coding authority, and participant roles.
From Deep Learning to Rational Machines
"This book provides a framework for thinking about foundational philosophical questions surrounding machine learning as an approach to artificial intelligence. Specifically, it links recent breakthroughs in deep learning to classical empiricist philosophy of mind. In recent assessments of deep learning's current capabilities and future potential, prominent scientists have cited historical figures from the perennial philosophical debate between nativism and empiricism, which primarily concerns the origins of abstract knowledge. These empiricists were generally faculty psychologists; that is, they argued that the active engagement of general psychological faculties-such as perception, memory, ...
A Computational Perspective on Visual Attention
The derivation, exposition, and justification of the Selective Tuning model of vision and attention. Although William James declared in 1890, "Everyone knows what attention is," today there are many different and sometimes opposing views on the subject. This fragmented theoretical landscape may be because most of the theories and models of attention offer explanations in natural language or in a pictorial manner rather than providing a quantitative and unambiguous statement of the theory. They focus on the manifestations of attention instead of its rationale. In this book, John Tsotsos develops a formal model of visual attention with the goal of providing a theoretical explanation for why hu...
Modeling of Visual Cognition, Body Sense, Motor Control and Their Integrations
The interdisciplinary studies between neuroscience and information science have greatly promoted the development of these two fields. The achievements of these studies can help humans understand the essence of biological systems, provide computational platforms for biological experiments, and improve the intelligence and performance of the algorithms in information science. This research topic is focused on the computational modeling of visual cognition, body sense, motor control and their integrations. Firstly, the modeling and simulation of vision and body sense are achieved by 1) understanding neural mechanism underlying sensory perception and cognition, and 2) mimicking accordingly the s...
Functional Neuroimaging of Visual Cognition
The latest volume in the critically acclaimed and highly influential Attention and Performance series focuses on the role that functional neuroimaging plays in visual cognition. Functional neuroimaging has greatly enhanced our knowledge of the brain, and has been one of the most important tools in cognitive neuroscience. At the same time, the full power of neuroimaging can be realized only if there is convergence with theories based on other approaches includingcomputational modelling, behavioural experiments, and electrophysiology in the behaving animal. In this book, Nancy Kanwisher and John Duncan have brought together leading cognitive neuroscientists to present groundbreaking new resear...
