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




ILLUSTRATIONS

FIG.

1. The thoracic cage and its contents

2. The diaphragm and its attachments

3. Diagram illustrating changes of the chest and abdomen in breathing

4. Diagram of the cartilages of the voice-box or larynx with vocal cords

5. Front view of the larynx with muscles