THE BRAIN AND THE VOICE IN SPEECH AND SONG

PREFACE

CONTENTS

ILLUSTRATIONS

THE BRAIN AND THE VOICE IN SPEECH AND SONG

THEORIES ON THE ORIGIN OF SPEECH

THE VOCAL INSTRUMENT

I. THE BELLOWS

II. THE REED

III. THE RESONATOR AND ARTICULATOR

PATHOLOGICAL DEGENERATIVE CHANGES PRODUCING SPEECH DEFECTS AND WHAT THEY TEACH

THE CEREBRAL MECHANISM OF SPEECH AND SONG

SPEECH AND RIGHT-HANDEDNESS

LOCALISATION OF SPEECH CENTRES IN THE BRAIN

THE PRIMARY SITE OF REVIVAL OF WORDS IN SILENT THOUGHT

CASE OF DEAFNESS ARISING FROM DESTRUCTION OF THE AUDITORY CENTRES IN THE BRAIN CAUSING LOSS OF SPEECH

THE PRIMARY REVIVAL OF SOME SENSATIONS IN THE BRAIN

PSYCHIC MECHANISM OF THE VOICE

INDEX