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Our visual system can process information at both conscious and
unconscious levels. Understanding the factors that control whether
a stimulus reaches our awareness, and the fate of those stimuli
that remain at an unconscious level, are the major challenges of
brain science in the new millennium. Since its publication in 1984,
Visual Masking has established itself as a classic text in the
field of cognitive psychology. In the years since, there have been
considerable advances in the cognitive neurosciences, and a growth
of interest in the topic of consciousness, and the time is ripe for
a new edition of this text. Where most current approaches to the
study of visual consciousness adopt a 'steady-state' view, the
approach presented in this book explores its dynamic properties.
This new edition uses the technique of visual masking to explore
temporal aspects of conscious and unconscious processes down to a
resolution in the millisecond range. The 'time slices' through
conscious and unconscious vision revealed by the visual masking
technique can shed light on both normal and abnormal operations in
the brain. The main focus of this book is on the microgenesis of
visual form and pattern perception - microgenesis referring to the
processes occurring in the visual system from the time of stimulus
presentation on the retinae to the time, a few hundred milliseconds
later, of its registration at conscious or unconscious perceptual
and behavioural levels. The book takes a highly integrative
approach by presenting microgenesis within a broad context
encompassing visuo-temporal phenomena, attention, and
consciousness.
Sight can be so effortless, so useful, and so entertaining--the
average human can distinguish several million colors; a falcon can
see a fencepost from three thousand yards--that we never stop to
think about how complex a process it is and how easily it can fail
us. We never have as clear and complete a picture of the world
around us as we think we do. The gaps between what our eyes take in
and what is in our mind's eye provide the unifying theme in Bruno
Breitmeyer's wide-ranging volume. In his fascinating account of the
many ways that our eyes, and minds, both see and fail to see,
Breitmeyer moves from cataracts and color blindness through
blindsight, acquired dyslexia, and visual agnosias, including
fascinating cases like the woman who did not know what she was
seeing was a dog until it barked. He then uses what we've learned
about the limits of our sight to illustrate the limits of our
ability to mentally visualize and our ability to reason, covering
everything from logical fallacies to how our motives and emotions
relentlessly color the way we see the world. This book will
intrigue anyone interested in how easily we can fail to capture the
world around us without even realizing it.
Experimental Phenomena of Consciousness is the definitive
collection of consciousness phenomena in which awareness emerges as
an experimental variable. With its comprehensive yet succinct
entries, arranged alphabetically, this dictionary will be a
valuable reference tool for students, libraries, and researchers at
all levels in psychology, neuroscience, and philosophy who are
investigating consciousness, cognition, perception, and attention.
It will also be an important addition to the reading lists of
courses on consciousness and cognition. Most entries include
illustrations and a list of references where more thorough
treatments of the topic can be found. The book is supported by a
Web page that provides dynamic illustrations and other supplemental
material.
As the first reference book on the topic, Experimental Phenomena of
Consciousness will be a valuable tool for undergraduates, graduate
students, professional researchers, and anyone who has an interest
in the subject of consciousness.
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