346 



INDEX AND GLOSSARY 



Quale, a quality pertaining to any- 

 thing; specifically a quality of sen- 

 sation or other conscious process, 

 249, 261, 308, 309, 311 



Rabbit, cortico-spinal tract of, 310 

 development of eye of, 204 

 spinal cord of, 133 



Radiations, sensory, the thalamo- 

 cortical tracts. See Tract, 

 thalamo-cortical, and Corona 

 radiata, 287, 289 

 auditory, 170, 287 

 gustatory, 287 



olfactory, the olfacto-cortical 

 tracts; the term has also been 

 applied to various subcortical 

 olfactory tracts, 287 

 optic, 170, 210, 287 

 somesthetic (of tactile and general 



sensation), 287 

 Radix. Sec Root. 

 Rage. See Anger. 

 RAM6N Y CAJAL, S., 42, 44, 48, 50- 

 53, 55, 190, 191, 214, 237, 239, 240, 

 270-273, 278 



Ramus communicans, a communi- 

 cating branch between the ganglia 

 of the sympathetic Trunk and tin- 

 roots of t lie spinal nerves, 125, 126, 

 225, 228 



Range of behavior, 19, 303 

 RANVIER, node of. See Node of 



Ranvier. 



Hat, nervous system of, 220 

 Rate of nervous conduction, 97, 98 

 Reaction, a change in bodily state 

 in response to stimulation; cf. 

 Reflex, (Hi 



avoiding. See 1,'eflex. ;ivoidinii. 

 discriminative, 9S, 258, 302, 308 

 time, the time required for re- 

 sponse to stimulation, 98, 258, 

 259 

 Heading, apparatus of. See Speech. 



apparatus of. 



Receptor, a sense organ, 25, 38, 69 

 contact, a >ense organ adapted to 

 respond to impressions from ob- 

 jects in cont.-ict with the body; 

 opposed to distance Receptor, 

 distance, a sense organ adapted to 

 respond to impressions from ob- 

 ject.- remote from the body, 2'.', 



Recess, epitympanic, 195 



infundibular, 118, 119 



lateral, the widest part of the 

 fourth Ventricle under the cere- 

 bellum. 



optic, the depression in the lateral 

 wall of the diencephalon formed 

 by the evagination of the optic 

 Vesicle, 116-119 



utricular. See Utricle. 

 Reflex act, a simple form of inva- 

 riable Behavior requiring a 

 nervous system, 25, 32, 56, 

 109, 363 

 time of. See Reaction time. 



allied, 57, 58, 59, 61 



antagonistic, 57, 58, 59, 61 



arc. Sec Reflex circuit. 



avoiding, 251, 253, 258 



of brain stem, 181, 192, 279, 280, 

 304, 305 



bulbar, 181, 279 



chain, 57,58,60,61,308 



circuit, a chain of neurons which 

 function in a Reflex act, 25, 42, 

 56, 58, 60, 62, 63, (ill, 109. 113. 

 132, 133, 134, 260, 80S, 309, 

 311 



conditional, 242 



cortical, 286, 290 



cyclic, 61, 309 



discriminative. Sec Reaction, dis- 

 criminative. 



of feeding; cf. Oral sense, 219, 279 



locomotor, 134 



of medulla oblongata, 181, 27'. 



myenteric. 'J 1 1 



pattern, (ft, 219, 305, 307, :',12 



proprioeeptive, 130, 175-193 



of spinal cord, 129, 131 13.1, 174, 

 176, 179- iv.'. 185,234,258,279, 

 301. 305 



thalamic. 163. 166. 171. isi. L':,:i. 



2:>\. :;m. :;oii, :;n 

 Hencneration of nervous ti.~ lie-. It'.. 



132 

 Region, cortical, a group of related 



cortical Areas, 273. 276 

 Regulation, the process of adapta- 

 tion of form or behavior of an or- 

 ganism to changed conditions, 31 

 HKII.. island of. See Insula. 

 neinforcement, 59, 02, 63, 101, 192, 



218 



