XXI 1 CONTENTS 



CHAPTER LXXXIX 



Reflexes of the Spinal A.nimal usjd Spinal Shock 803 



Spinal Shock in Laboratory Animals, 803 j Spinal Shock in Man, 800; Cause 

 of Spinal Shock. 807. 



CHAPTER XC 



Physiological Properties op the Simple Reflex Arc ... 809 



Latent Period, 809j Grading of Intensity, 809; After-effect, 810; Summation, 

 S10; Irreversibility of the Direction of Conduction, 810; Refractory Period, 

 811; Successive Defeneration, 813. 



CHAPTER XCI 



Reciprocal [nnervation 814 



Reciprocal [nhib'ition, Ml; Action of Strychnine and Tetanus Toxin, 819. 



CHAPTER XCII 



Interaction Among Reflexes 821 



Integration of Allied Reflexes, 822; Integration of Antagonistic Reflexes, 

 824; Other Factors Which Determine Occupancy of Final Common Path, 824; 

 Irradiation, 826. 



CHAPTER XCIII 



The Tendon Jerks ; Sensory Pathways in Spinal Cord 828 



The Tendon Jerks, 828; Afferent Spinal Pathways, 830. 



CHAPTER XCIV 



Effects of Experimental Lesions of Various Parts of the Nervous System . 835 

 Anterior Roots, 835; Posterior Roots, 836; Spinal Cord, and Brain Stem, 839; 

 Medulla, 839; Corpora Quadrigemina, 840; Removal of the Cerebral Hemi- 

 spheres, 840. 



CHAPTER XCV 

 Cerebral Localization S43 



Ablation of the Motor Centers, S43 ; Stimulation of the Motor Centers, 844; 

 Clinical Observations, 849. 



CHAPTER XCVI 



Cerebral Localization (Cont'd) 850 



Sensory Centers, 850; Sense Centers, 851; Association Areas, 852. 



CHAPTER XCVII 

 ditional and Unconditional Reflexes 856 



CHAPTER XCVIII 



Higher Functions of ■ Cerebrum en Man; Aphasia S00 



Psychopathological Applications, s<;l\ 



CHAPTER XCI2 



Functions of the Cerebelli m 865 



Localization of Function, 867; Circumscribed Extirpation, 869; Clinical Ob- 

 servations, 870. 



