326 



INDEX AND GLOSSARY 



Degeneration, sclerotic, of cortex, 

 284 



DEITERS, cells of, in spiral Organ, 197 

 vestibular nucleus of, 184, 185 



DEJERINE, J. J., 287 



Dementia, 290 



Dendrite, a process of a Neuron which 

 conducts toward the cell body, 39, 

 40, 41, 44, 45, 47, 96, 103, 104 



Dependency, cortical, a part of the 

 brain stem developed as a sub- 

 sidiary of the cerebral cortex, 212, 

 263, 305 



Depression, 101, 102, 103 



Development of the nervous system. 

 See Nervous system, development 

 of. 



DEWEY, J., 20, 61, 67, 308, 309, 311 



DEWITT, LYDIA M. A., 87, 90, 95 



Diaphragm, innervation of, 236, 

 237-240 



Diaschisis, a transitory defect of 

 function due to disturbance of 

 cortical equilibrium, 292, 293, 294 



Diencephalon (betweenbrain, thala- 

 mencephalon), the brain region 

 lying between Mesencephalon 

 and Telencephalon ; sometimes 

 called Thalamus or Optic thala- 

 mus, but properly divided into 

 Thalamus, Epithalamus, and 

 Hypothalamus, 116-119, 121, 

 122, 160-167 

 development of, 116-119 



Diffusion of nerve impulses, 104, 192 



Digestion, apparatus of, 78, 224, 232, 

 240-243, 255, 256 



Dilemma, 58, 307 



Dioptric apparatus of eyeball, 205 



Disagreeable and agreeable. See 

 Affection. 



Discrimination. See Reaction, dis- 

 criminative. 



I )i-~ociation of consciousness, 297 



Detention, sensations of, s'i 



Dog, functions of cortex of, 279, 281, 



286 

 scratch reflex of, 134 



Dogfish, nervous system of. See 

 Fishes, nervous system of. 



DOGIEL, A. S., 83, 84, 85, 228, 233 



Dou.i.v, I). II., 101, 102, 103, 105 



Dolphin, absence of olfactory organs 

 of, 216 



DONALDSON, H. H., 105, 123, 124 

 Dorsal, on the back side of the body, 



termed posterior in the B. N. A. 



lists, 116 

 Ductus cochlearis, 195, 196, 197, 198 



endolymphaticus, 195, 196 



reuniens, 196 



semicircularis. See Canal, semi- 

 circular, and Vestibular appara- 

 tus. 



utriculo-saccularis, 196 

 Dura mater, the outer brain mem- 

 brane, 38 

 DURUPT, A., 193 

 Dynamic theory of consciousness, 



293, 296 



Ear. See Auditory apparatus and 



Vestibular apparatus, 

 brain, 112, 123 

 evolution of, 199, 201 

 Earthworm, nervous system of, 28 

 Ectoderm (epiblast), the outer germ 

 layer of the embryo, from which 

 the epidermis and the Neural tube 

 develop, 204 

 EDGEWORTH, F. H., 180 

 EDINGER, L., 36, 115. 124, 159, 219, 



223, 280, 299, 306 



EDINGER- WESTPHAL, nucleus of (the 

 visceral efferent nucleus of the III 

 nerve; cf. Nucleus of oculomotor 

 nerve). 



Education, 32, 312-316 

 Effector, an organ of response, 26, 92 

 Efferent, conducting away from a 

 center, 25, 42, 108, 126, 137, 145- 

 160 



Electric excitability of nervous tis- 

 sues, 281, 283," 286 

 phenomena in nervous tissue, 



96 

 Embryology of nervous system, See 



Nervous system, embryology of. 

 Eminent ia. abducent is. See Col- 



liculus facialis. 



facialis. See Colliculus facialis. 

 hypoglossi. See Trigonum hypo- 



glossi. 



medialis (eminent ia tens), a 

 medial longitudinal ridge in the 

 floor of the fourth ventricle; an 

 enlarged portion is the Collicu- 

 lus facialis. 



