Chapter III: Preface: BY THE EDITOR v

CONSPECTUS SHOWING THE PROGRESS OF THE CHILD BY MONTHS ix

THIRD PART.

_DEVELOPMENT OF THE INTELLECT._

CHAPTER

XVI.--DEVELOPMENT OF THE CHILD'S INTELLECT INDEPENDENT OF LANGUAGE 3

XVII.--LEARNING TO SPEAK 33

1. Disturbances of Speech in Adults 34
(1) Periphero-Impressive or Perceptive Disturbances, 36.
(2) Central Disturbances, 37.
(3) Periphero-Expressive or Articulatory Disturbances, 38.

2. The Organic Conditions of Learning to Speak 42

3. Parallel between the Disturbances of Speech in
Adults and the Imperfections of Speech in the Child 45

I. Lalopathy, 47.
A. The Impressive Peripheral Processes
disturbed--Deafness, 47.
B. The Central Processes disturbed--Dysphasia, 47.
(1) The Sensory Processes centrally disturbed, 47.
(2) The Sensori-motor Processes of Diction
disturbed, 48.
(3) The Motor Processes centrally disturbed, 49.
C. The Expressive Peripheral Processes disturbed, 54.
(1) Dyslalia and Alalia, 54.
(2) Literal Pararthria or Paralalia, 56.
(3) Bradylalia, or Bradyarthria, 57.
II. Dysphasia, 58.
III. Dysmimia, 62.

4. Development of Speech in the Child 64

XVIII.--FIRST SOUNDS AND BEGINNINGS OF SPEECH IN THE CASE OF A CHILD OBSERVED DAILY DURING HIS FIRST THREE YEARS 99

XIX.--DEVELOPMENT OF THE FEELING OF SELF, THE "I"-FEELING 189

XX.--SUMMARY OF RESULTS 208

APPENDIXES.

APPENDIX A.--Comparative Observations concerning the Acquirement
of Speech by German and Foreign Children 221
(_a_) Diary of the Child of the Baroness von Taube, of
Esthonia, 261.

APPENDIX B.--Notes concerning Lacking, Defective, and Arrested
Mental Development in the First Years of Life 272