The Focusing Hypothesis

The theory of left hemisphere lateralised language re-examined

HardboundAvailable
ISBN 9789027243331 (Eur) | EUR 105.00
ISBN 9781556193897 (USA) | USD 158.00
 
e-Book
ISBN 9789027277206 | EUR 105.00 | USD 158.00
 
This book explores the nature of the control of language processing by the hemispheres of the neocortex. The author expounds a novel hypothesis, “The Focusing Hypothesis”, which holds that language processing in the brain is achieved through analytic and holistic systems, the former through left and the latter through right hemisphere processing. This hypothesis differs from current thinking in so far as it proposes that the involvement of the two systems (and two hemispheres) depends on the strategy selected by the speaker and that the engagement by one hemisphere over another will depend upon the communicative intent of the speaker and the propositionality of the utterance under production. Throughout the book there are useful and important discussions on such topics as the value of laboratory-based psycholinguistic experiments — given their tendency to encourage a “metalinguistic” strategy on the part of subjects, the nature of propositionality in language and brain and the difficulties of testing this hypothesis given the research approaches currently available. The Focusing Hypothesis is tested by comprehensive review of the existing experimental psycholinguistic, neuropsychological and neurophysiological literature, and a range of predictions which follow from the hypothesis are detailed.
Publishing status: Available
Table of Contents
Foreword
xi
Notes on Terminology
xiii
Introduction
1
Chapter One: The Focusing Hypothesis
1.1 Defining Terms
5
1.2 The Dynamic Relationship of the Two Systems
11
1.3 Juxtaposition
14
1.4 Proposition-Focused Language (PFL) and Language-Focused Language (LFL)
16
1.5 A Brief Justification for Holistic Language Processing
17
1.6 The Operation of the Holistic Mechanisms
18
1.7 Formulae in Language Processing
21
1.8 The Acquisition of Formulae
22
1.9 Strategies
26
1.10 The Right and Left Hemispheres
31
Notes to Chapter One
33
Chapter Two: Theoretical Issues
2.1 Introduction
37
2.2 Terminology
37
2.3 The Reduction of Juxtapositional Complexity
45
Notes to Chapter Two
53
Chapter Three: Support for the Structure of the Focusing Hypothesis
3.1 Introduction
55
3.2 Dual Systems
55
3.3 Optimal Processing
57
3.4 Holistic Processing
58
3.5 Strategies
58
3.6 Clausal Processing: Challenge and Support
60
3.7 Summary
63
Notes to Chapter Three
63
Chapter Four: Experimental Psycholinguistic Studies
4.1 Introduction
65
4.2 Dichotic Listening Tests
65
4.3 Problems with the Dichotic Listening Test
66
4.4 Tachistoscopic Tests
72
4.5 Verbal-Manual Interference Tasks
74
4.6 Lateral Eye Movement
77
4.7 Comments
78
4.8 Prediction: Language Focus in Experiments
78
4.9 The Scope for Controlling Focus in Experiments
84
4.10 The Value of Psycholinguistic Date in Evaluating the Focusing Hypothesis
94
Notes to Chapter Four
95
Chapter Five: Clinical Investigations
5.1 Introduction
97
5.2 Left Hemisphere Lesion
98
5.3 The Rôle of the Right Hemisphere in Language
103
5.4 Inconsistencies in the Clinical Data
109
5.5 Prediction: Disruption to the Processing Mechanisms of Left-Hemisphere-Damaged Patients
119
5.6 Prediction: Disruption to the Processing Mechanisms of Right-Hemisphere-Damaged Patients
124
5.7 Prediction: The Token Test
127
5.8 Prediction: The Effect of the Right Hemisphere Processing of Emotional & Intonational Cues on Beginner Readers & on Left- and Right-Hemisphere-Damaged Patients
132
5.9 Summary and Comments
133
Notes to Chapter Five
134
Chapter Six: Neurophysiological Investigations
6.1 Introduction
137
6.2 Anatomy
138
6.3 Dynamic Studies
141
6.4 Prediction: Detecting Right Hemisphere Activity
152
Note to Chapter Six
154
Chapter Seven: Towards a Model for Output
155
Notes to Chapter Seven
161
Chapter Eight: Evaluating the Hypothesis
163
Note to Chapter Eight
165
Appendix
167
Bibliography
175
Index
203
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Subjects
BIC Subject: CF – Linguistics
BISAC Subject: LAN009000 – LANGUAGE ARTS & DISCIPLINES / Linguistics / General
U.S. Library of Congress Control Number:  92036730 | Marc record