Perceptual Knowledge
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Perceptual Knowledge
Author: Georges Dicker
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
This book grew out of the lectures that I prepared for my students in epis temology at SUNY College at Brockport beginning in 1974. The conception of the problem of perception and the interpretation of the sense-datum theory and its supporting arguments that are developed in Chapters One through Four originated in these lectures. The rest of the manuscript was first written during the 1975-1976 academic year, while I held an NEH Fellowship in Residence for College Teachers at Brown University, and during the ensuing summer, under a SUNY Faculty Research Fellowship. I wish to express my sincere gratitude to the National Endowment for the Humanities and to the Research Foundation of the State University of New York for their support of my research. I am grateful to many former students, colleagues, and friends for their stimulating, constructive comments and criticisms. Among the former stu dents whose reactions and objections were most helpful are Richard Motroni, Donald Callen, Hilary Porter, and Glenn Shaikun. Among my colleagues at Brockport, I wish to thank Kevin Donaghy and Jack Glickman for their comments and encouragement. I am indebted to Eli Hirsch for reading and commenting most helpfully on the entire manuscript, to Peter M. Brown for a useful correspondence concerning key arguments in Chapters Five and Seven, to Keith Lehrer for a criticism of one of my arguments that led me to make some important revisions, and to Roderick M.
Perceptual Knowledge and Self-Awareness
There is a tendency, in contemporary epistemology, to treat 'perceptual knowledge' and 'self-knowledge' as labels for different and largely unconnected sets of philosophical problems. The project of this volume is to bring out how much is to be gained from treating the two topics as, on the contrary, intimately connected. One set of questions that comes into view when we do concerns the sense in which perceptual knowledge, as understood from the first-person perspective, seem to be 'direct'. In a famous passage, Austin contrasted reliance on what we call 'evidence' with the way perceptual experience 'settles' questions. How should we understand the difference? In what sense is perceptual knowledge 'direct', in contradistinction to evidence-based, inferential knowledge? A connected set of issues has to do with the relationship between the epistemic authority of perception and self-consciousness. Is the way perceptual experience 'settles' questions inherently manifest to the perceiver? Is a perceiver's awareness of (e.g.) seeing that p to be explained by reference to the very capacities at work in seeing that p? Or does it reflect the operation of some kind of second-order perceptual capacity? Consideration of these matters, in turn, prompts questions about the nature of the first-person perspective. 'I can see that p' is a first-person self-ascription. But does it express the distinctively immediate kind of knowledge commonly labelled first-person self-knowledge? How would an affirmative answer to this question bear on a philosophical understanding of the 'first-person perspective'? These are rough indications of some of the ways in which reflection on the relationship between perceptual knowledge and self-awareness promises to shed valuable light on both topics.
The Unity of Perception
Author: Susanna Schellenberg
language: en
Publisher: Oxford University Press
Release Date: 2018-08-22
Perception is our key to the world. It plays at least three different roles in our lives. It justifies beliefs and provides us with knowledge of our environment. It brings about conscious mental states. It converts informational input, such as light and sound waves, into representations of invariant features in our environment. Corresponding to these three roles, there are at least three fundamental questions that have motivated the study of perception. How does perception justify beliefs and yield knowledge of our environment? How does perception bring about conscious mental states? How does a perceptual system accomplish the feat of converting varying informational input into mental representations of invariant features in our environment? This book presents a unified account of the phenomenological and epistemological role of perception that is informed by empirical research. So it develops an account of perception that provides an answer to the first two questions, while being sensitive to scientific accounts that address the third question. The key idea is that perception is constituted by employing perceptual capacities - for example the capacity to discriminate instances of red from instances of blue. Perceptual content, consciousness, and evidence are each analyzed in terms of this basic property of perception. Employing perceptual capacities constitutes phenomenal character as well as perceptual content. The primacy of employing perceptual capacities in perception over their derivative employment in hallucination and illusion grounds the epistemic force of perceptual experience. In this way, the book provides a unified account of perceptual content, consciousness, and evidence.