CONTENTS. 



CHAPTER I. 



PAG» 



The Scope of Psychology, 1 



Mental Manifestations depend on Cerebral Conditions, 1. 

 Pursuit of ends and choice are the marks of Mind's presence, 6. 



CHAPTER II. 



The Functions of the Brain, 12 



Reflex, semi-reflex, and voluntar}' acts, 12. The Frog's nerve- 

 centres, 14. General notion of the hemispheres, 20. Their 

 Education — the Meynert scheme, 24. The phrenological con- 

 trasted with the ph5-siological conception, 27. The localization 

 of function in the hemispheres, 30. The motor zone, 31. Motor 

 Aphasia, 37. The sight-centre, 41. Mental blindness, 48. The 

 hearing-centre, 52. Sensory Aphasia, 54. Centres for smell and 

 taste, 57. The touch -centre, 58. Man's Consciousness limited to 

 the hemispheres, 65. The restitution of function, 67. Final 

 correction of the Me3'nert scheme, 73. Conclusions, 78 



CHAPTER III. 



On Some General Conditions of Brain-activity, . 81 

 The summation of Stimuli, 82. Reaction-time, 85. Cerebral 

 blood-supply, 97. Cerebral Thermometry, 99. Phosphorus and 

 Thought, 101. 



CHAPTER IV. 

 Habit, 104 



Due to pla.sticity of neural matter, 105. Produces ease of 

 action, 112. Diminishes attention, 115. Concatenated perform- 

 ances, 116. Ethical implications and pedagogic maxims, 120. 



CHAPTER V. 



The Automaton-theory, . 128 



The theory described, 138. Reasons for it, 183. Reasons 

 against it, 138. 



ip-l^ 



