Language Development and Neurological Theory

Language Development and Neurological Theory

1st Edition - January 28, 1977

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  • Editors: Sidney J. Segalowitz, Frederic A. Gruber
  • eBook ISBN: 9781483220185

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Language Development and Neurological Theory presents a neuropsychological theory of language development. The discussions are organized around the following themes: cerebral specialization for language in normal and brain-damaged individuals; development of cerebral dominance; and speech perception. Much emphasis is placed on the issue of cerebral specialization, or lateralization. Comprised of 20 chapters, this volume begins with a review of some of the methods used to correlate neurophysiological and behavioral functions, as well as some of the issues involved in trying to unite the empirical science of neuropsychology and the rationalist science of linguistics. The next chapter deals with lateralization for speech sounds shown by young infants and possible factors in the sound signal responsible for the differentiation. Subsequent chapters focus on asymmetries in young children during continuous verbal-nonvisual and visual-nonverbal story tasks; the effects of multi-language elementary school program on the degree of lateralization for language; intramodal and cross-modal pattern perception in stroke patients with lateralized lesions; and visual half-field asymmetries in deaf and hearing children. Several hypotheses as to why language is lateralized to the left hemisphere rather than to the right are also examined. This book is addressed to researchers and students of the neuropsychology of language, whether they call themselves psychologists, neuropsychologists, neurologists, or linguists.

Table of Contents

  • List of Contributors


    Part I Cerebral Specialization for Language in Normals

    1 Some Issues and Methods in the Neuropsychology of Language

    Correlating Neurophysiological and Psychological Functions

    Tying Empirical Bonds with Linguistics


    2 Infant Cerebral Asymmetry

    Experiment 1

    Experiment 2

    Experiment 3


    3 Bilateral Alpha Rhythm in Children During Listening and Looking





    4 Multiple Language Experience and the Development of Cerebral Dominance

    Method and Procedure

    Results and Discussion

    Results: Study 2


    5 Visual Field and Cerebral Hemisphere Preferences in Bilinguals


    Results and Discussion


    6 Hemispheric Asymmetry in Processing of Dichotically Presented Speech and Nonspeech Stimuli by Infants


    Stimulus Materials

    Subjects and Design



    7 Acoustic Problems in Dichotic Listening Tasks

    Control of Acoustic Variables

    Nonacoustic Factors

    Stimulus Variables



    Part II Cerebral Specialization for Language in Brain-Damaged Patients

    What Is It That Is Lateralized?


    8 Hemispheric Equipotentiality and Language Acquisition

    The Equipotentiality Hypothesis

    Language Functions After Early Lateralized Cerebral Damage

    Intelligence, Language, and Early Lesion Laterality

    Language Acquisition in Only a Right or a Left Hemisphere: A Test Case for Equipotentiality


    9 Language Deficits and Cross-Modal Sensory Perception

    Theories of Cross-Modal Perceptual Learning

    Cross-Modal Theory and Neurological Development

    Cross-Modal Perception and Language Deficits in Children

    Cross-Modal Perception and Language Deficits in Adults

    Language Deficits and Supramodal Functions

    Cross-Modal Perception and Supramodal Skills: An Investigation


    10 Electroencephalographic Testing of Cerebral Specialization in Normal and Congenitally Deaf Children: A Preliminary Report





    11 Dichotic Listening of Callosal Agenesis and Turner's Syndrome Patients

    Study 1: Patients with Neurological Lesions

    Study 2: Cases of Sex Chromosome Anomaly



    12 A Long-Term Study of Dichotic Speech Perception and Receptive Language Skills in a Child with Acquired Aphasia

    The Case History

    Hearing, Language, and Dichotic Listening Tests



    13 An External View of Neuropsy chology and Its Working Milieu

    The Infant and Experimental Observation

    Individual Differences in Brain Organization

    Test-Retest Reliability with Normals Versus Brain-Damaged Patients

    Interpreting Results of Surgery

    Interpreting EEGs

    Examples of False Diagnoses


    Part III The Development of Cerebral Dominance

    Why Is Language Lateralized to the Left?


    14 Does Cerebral Dominance Develop?


    Ontogenetic Changes in Lateralization

    Asymmetries in Infants


    15 The Development of Lateralization of Language Functions and Its Relation to Cognitive and Linguistic Development: A Review and Some Theoretical Speculations

    A Brief History

    The Restitution of Language in the Right Hemisphere Following Left-Hemisphere Damage

    The Nature of Right-Hemisphere Language

    Some Speculation on the Causes of Dysphasia following Early Right-Sided Damage

    The Process of Lateralization of Language to the Left Hemisphere and Its Relation to Normal Cognitive Development



    16 Early Hemisphere Specialization and Interhemispheric Plasticity: An Empirical and Theoretical Review

    Outline of Chapter

    Methods of Studying Hemisphere Specialization in Children

    Early Specialization of the Left Hemisphere for Speech and Language

    Role of the Right Hemisphere in the Early Mediation of Speech and Language

    Early Hemisphere Equipotentiality and Internemisphere Transfer of Speech and Language

    Early Specialization of the Right Hemisphere for Spatial-Holistic Processing

    A Possible Theory of Early Cerebral Organization Involving Lateralization of Function at Birth Coexistent with Interhemisphere Plasticity


    17 Manual Specialization in Infancy: Implications for Lateralization of Brain Function

    Development of Lateralization of Manual Behavior

    Implications for Hemispheric Specialization




    Part IV Speech Perception

    Speech Perception and Language Models


    18 Invariant Features and Feature Detectors: Some Developmental Implications

    Motor Theories of Speech Perception

    The Invariant Features of Speech

    Features and Feature Detectors

    Developmental Implications

    Implications of Invariance for Neurological Theories of Speech Perception


    19 The Identification of Four Vowels by Children 21/2 to 3 Years Chronological Age as an Indicator of Perceptual Processing

    Experimental Method

    Stimulus Presentation




    20 The Development of Speech Timing

    General Aspects of Speech Development

    The Development of Temporal Coordination in Consonant Production

    Some Contextual Rules of Syllable Timing

    Rules for Sentence Timing

    Concluding Remarks


    Subject Index

Product details

  • No. of pages: 392
  • Language: English
  • Copyright: © Academic Press 1977
  • Published: January 28, 1977
  • Imprint: Academic Press
  • eBook ISBN: 9781483220185

About the Editors

Sidney J. Segalowitz

Frederic A. Gruber

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