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‘Waves’

L. Weiskrantz

in Blindsight: A Case Study and Implications

Published in print:
1990
Published Online:
January 2008
ISBN:
9780198521921
eISBN:
9780191706226
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198521921.003.0013
Subject:
Psychology, Cognitive Neuroscience

In a number of tests, D. B. reported an impression of ‘waves’ generated by some visual stimuli, especially in a ‘lively’ part of his field defect (a region between the fovea and about 30° in the ... More


Paradoxes, projections, and perspectives of CTA research

F. Bermúdez-Rattoni, J. Bures, and T. Yamamoto

in Conditioned Taste Aversion: Memory of a Special Kind

Published in print:
1998
Published Online:
January 2008
ISBN:
9780198523475
eISBN:
9780191712678
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198523475.003.0009
Subject:
Psychology, Neuropsychology

The fact that the CTA triggering stimulus is sometimes forgotten resembles Șblindsightș, when a person with postgeniculate lesion denies being able to see anything, but avoids rapidly approaching ... More


D.B.: Clinical history and early testing

L. Weiskrantz

in Blindsight: A Case Study and Implications

Published in print:
1990
Published Online:
January 2008
ISBN:
9780198521921
eISBN:
9780191706226
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198521921.003.0002
Subject:
Psychology, Cognitive Neuroscience

‘D. B.’ is the subject of the book who underwent intensive tests of his blindsight. His visual cortex in one hemisphere was removed surgically to excise an invasive tumour when he was 33 years old. ... More


HUMAN NEUROPSYCHOLOGY

John M. Findlay

in Active Vision: The Psychology of Looking and Seeing

Published in print:
2003
Published Online:
January 2008
ISBN:
9780198524793
eISBN:
9780191711817
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198524793.003.0008
Subject:
Psychology, Cognitive Psychology

This chapter discusses a selected set of neuropsychological disorders and enquires whether analysis of eye movements can help explain the nature of the disorder. It argues that the study of such ... More


Onstage: Sensations, Images, and Ideas

Bernard J. Baars

in In the Theater of Consciousness: The Workspace of the Mind

Published in print:
1997
Published Online:
May 2009
ISBN:
9780195102659
eISBN:
9780199864126
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195102659.003.0004
Subject:
Neuroscience, Sensory and Motor Systems, Behavioral Neuroscience

This chapter argues that sensory consciousness gives us our most vivid moment-to-moment experiences. Mental images seem to be “faint copies” of sensory events, generated from within the brain itself. ... More


Saving Appearances: A Dilemma for Physicalists

Charles Siewert

in The Waning of Materialism

Published in print:
2010
Published Online:
September 2010
ISBN:
9780199556182
eISBN:
9780191721014
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199556182.003.0003
Subject:
Philosophy, Philosophy of Mind, Metaphysics/Epistemology

This chapter takes as its target ‘ambitious physicalism’: an approach that aims to provide an explanatory reduction of consciousness to a physical and functional base. The chapter uses a range of ... More


Gap? What Gap?

Robert Kirk

in Zombies and Consciousness

Published in print:
2005
Published Online:
February 2006
ISBN:
9780199285488
eISBN:
9780191603150
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199285489.003.0010
Subject:
Philosophy, Philosophy of Mind

Any system with the basic package is a decider; any decider with directly active perceptual information has the ‘basic package-plus’ and is a ‘decider-plus’. This chapter argues that being a ... More


The Sensory Classification Thesis

Mohan Matthen

in Seeing, Doing, and Knowing: A Philosophical Theory of Sense Perception

Published in print:
2005
Published Online:
April 2005
ISBN:
9780199268504
eISBN:
9780191602283
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199268509.003.0002
Subject:
Philosophy, Philosophy of Mind

Sensory systems are automatic sorting machines which assign external sensed objects (distal stimuli) to classes on the basis of useful commonalities found in them. The results of a system=s sorting ... More


Octavia E. Butler

Gerry Canavan

Published in print:
2016
Published Online:
April 2017
ISBN:
9780252040665
eISBN:
9780252099106
Item type:
book
Publisher:
University of Illinois Press
DOI:
10.5406/illinois/9780252040665.001.0001
Subject:
Literature, 20th-century and Contemporary Literature

“I began writing about power because I had so little,” Octavia E. Butler once said. Butler's life as an African American woman—an alien in American society and among science fiction writers—informed ... More


‘Blindsight’ and the Essence of Seeing

Brian O'Shaughnessy

in Consciousness and the World

Published in print:
2003
Published Online:
November 2003
ISBN:
9780199256723
eISBN:
9780191598135
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199256721.003.0016
Subject:
Philosophy, Philosophy of Mind

Does ‘blindsight’ show that seeing is only inessentially an experience? The data is examined, and difficulties raised. Why always low‐key examples? How do we know it is not a borderline example of ... More


The anatomy of conscious and unconscious vision

Melvyn Goodale and David Milner

in Sight Unseen: An Exploration of Conscious and Unconscious Vision

Published in print:
2013
Published Online:
May 2013
ISBN:
9780199596966
eISBN:
9780191753008
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199596966.003.0006
Subject:
Psychology, Cognitive Psychology, Vision

In this chapter, recent fMRI studies of activity in the ventral and dorsal streams of Dee Fletcher and other individuals with visual deficits are discussed. The results of neuroimaging studies of ... More


Experiential Objectivity

Naomi Eilan

in Perception, Causation, and Objectivity

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199692040
eISBN:
9780191729713
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199692040.003.0004
Subject:
Philosophy, Metaphysics/Epistemology, Philosophy of Mind

Contra sense datum theories, most philosophers hold that perceptions have immediate ‘objective import'. How should the possession by a perception of such import be explained? The paper suggests that ... More


Unconscious perception: blindsight

L. Weiskrantz

in The Neuropsychology of Vision

Published in print:
2003
Published Online:
March 2012
ISBN:
9780198505822
eISBN:
9780191686900
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198505822.003.0009
Subject:
Psychology, Neuropsychology

This chapter shows that blindsight illustrates that at least a limited analysis of visual signals continues in some patients even in those parts of their visual field for which they are subjectively ... More


Metagnosis: Revelatory Narratives of Health and Identity

Danielle Spencer

Published in print:
2020
Published Online:
December 2020
ISBN:
9780197510766
eISBN:
9780197510797
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780197510766.001.0001
Subject:
Psychology, Cognitive Psychology

This book identifies and names the phenomenon of metagnosis: the experience of newly learning in adulthood of a long-standing condition. It can occur when the condition has remained undetected (e.g., ... More


The unseen and the unknown

Lawrence Weiskrantz

in Consciousness Lost and Found: A Neuropsychological Exploration

Published in print:
1999
Published Online:
March 2012
ISBN:
9780198524588
eISBN:
9780191689222
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198524588.003.0002
Subject:
Psychology, Cognitive Psychology

Typically, those types of damages which cause serious loss of mental and physical capacities are what most people associate with brain damage. Surprisingly, in virtually all of the major cognitive ... More


Deficits, degradation, and dissociations

Lawrence Weiskrantz

in Consciousness Lost and Found: A Neuropsychological Exploration

Published in print:
1999
Published Online:
March 2012
ISBN:
9780198524588
eISBN:
9780191689222
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198524588.003.0003
Subject:
Psychology, Cognitive Psychology

Disentangling deficits by dissociations, and the constructing of hypotheses about independence and hierarchical structure, is the very meat of day-to-day neuropsychological analysis and theorizing. ... More


To have but not to hold

Lawrence Weiskrantz

in Brain, Perception, Memory: Advances in Cognitive Neuroscience

Published in print:
2000
Published Online:
March 2012
ISBN:
9780198524823
eISBN:
9780191689246
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198524823.003.0021
Subject:
Psychology, Cognitive Psychology

This chapter is concerned with the most advanced state of cognition, consciousness. It reviews some of the classic studies of performance without awareness. For instance, it is now a well-known ... More


‘Cortical blindness’

A. David Milner and Melvyn A. Goodale

in The Visual Brain in Action

Published in print:
2006
Published Online:
March 2012
ISBN:
9780198524724
eISBN:
9780191689239
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198524724.003.0003
Subject:
Psychology, Cognitive Psychology

Damage to the primary visual cortex can cause a profound loss of awareness of the visible world. However, surviving pathways appear to provide sufficient visual information to allow the brain to ... More


On the ubiquity of conscious–unconscious dissociations in neuropsychology

Lawrence Weiskrantz

in Frontiers of Consciousness: Chichele Lectures

Published in print:
2008
Published Online:
March 2012
ISBN:
9780199233151
eISBN:
9780191696596
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199233151.003.0012
Subject:
Psychology, Cognitive Psychology

This chapter discusses some examples of neuropsychological defects in which awareness is disconnected from a capacity to discriminate or to remember or to attend or to read or to speak. Some of these ... More


Beginning at the End

Gerry Canavan

in Octavia E. Butler

Published in print:
2016
Published Online:
April 2017
ISBN:
9780252040665
eISBN:
9780252099106
Item type:
chapter
Publisher:
University of Illinois Press
DOI:
10.5406/illinois/9780252040665.003.0001
Subject:
Literature, 20th-century and Contemporary Literature

This book examines the life and work of Octavia E. Butler. Butler, who died on February 24, 2006, at the age of 58, left behind an impressive literary legacy of twelve novels and nine short stories ... More


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