CONTENTS. XV 



CHAPTER XIII. 



EXPRESSION OP GENERAL CONDITIONS OF THE BRAIN AND OF 



THE EMOTIONS. 



PAGE 



Expression of consciousness Sleep Fatigue Exhaustion 

 Irritability Nutrition Eest Activity Impressiona- 

 bility Expression of instinct and mentation Expression 

 of pain The emotion of the beautiful ... ... ... 225 



CHAPTER XI Y. 



EXPRESSION OF MIND IN THE INFANT AND ADULT. 



Materialistic questions only entertained The criteria of 

 mind, what are they ? Physical study of signs of mind 

 from infancy upwards A subjective condition is only 

 known to us by its physical expression Brain properties 

 necessary to mentation Impressionability Retentive- 

 ness Relation of outcomings to afferent stimulus Com- 

 parison of an infant with the adult, and an idiot with 

 a healthy child Description of an infant : its develop, 

 ment and signs of potentiality Impressionability : its 

 attributes ; delayed expression of impressions Modes of 

 expression are criteria of mind Expression of distress 

 Memory Subjective conditions studied by their expres- 

 sionThought 240 



CHAPTER XV. 



ANALYSIS OF EXPRESSION. 



Analysis of the expression of fatigue Localize the ex- 

 pression Observe trophic signs, postures, movements 

 Analyze and classify movements according to the prin- 

 ciples given Analysis of Darwin's description of laugh- 

 ter, and Sir Charles Bell's description of joy The 

 importance of such analysis Pope's description of 

 Achilles Study of a nervous subject "A school in- 

 spection" National modes of expression ... .... ... 255 



