200 | 



HANDBOOK < H- I'HYSIOI I ic;Y 



M I KOPHVSIOLOGY III 



cortical injury and, 849 

 forepaw and cortical stimuli. 857 

 section of 



pyramidal cells and, 839 



results, 838-840 



technic, 838 

 speech defects and, 1 7 ii> 

 spinal connections, 859 

 spinal mechanism of, 858-860 

 spinal organization, 1687 

 stimulation, 840 



autonomic effectors and, 840 



interareal spread and, 846 



movement patterns, 840 



stimulus spread and, 840 

 topographical organization and course, 



857. 858 



temporal organization of function, 1 68g 



tremor and, 1 298 



volleys, effect on motorneurons, 858 

 Pyridoxal-5-phosphate 



central nervous system metabolism and, 

 ,851 

 1\ 1 idoxinc 



deficiency, igoi 



function, 1901 

 Pyriform cortex 



see also Cerebral cortex 



definition, 1373 



1.1. 1 . from, I 30 2 



hypersexuality and, 1 230 



masticatory response, 1357 

 Pyrimidine nucleosides 



Central nervous system metabolism 

 and, 1 85 1 

 Pyrimidines 



central nervous system metabolism and, 



'857 



Rage 



amygdaloid stimulation and, 1406 



hypothalamus and, 970 

 Railway nystagmus: see Nystagmus, 



optokinetic 

 K AS r« Reticular formation 

 Reai don time 



alo ting and, 1587 

 Rebound 



discussion, 787 



in spinal animal, 788 



in thalamic animal, 788 

 Recall 



nice -danism, m|b 

 Receptoi 1 ells 

 electrii al responses, 165 



functional components, 1 * • , 



1 potential and, 1 27 

 in highei in ertebi ati - 37 1 

 in insects, 373 

 1 ■ > rtebi at< s, 375 



lilies ,,| ] ... an h, 365 

 T( ■ 11 10 slirnilll, |66 



Receptoi potential, 130-135 

 absolute magnitude, 134 



definition, 1 30, 303 



depression of, 135 



duration of stimulus, 134 



from different receptors, 131 



impulse initiation and, 132 



latency and, 1 29 



nerve terminals, 130 



phasic behavior, 131 



procaine and, 13b 



size of the exciting displacement, 133 



sodium lack and, 1 36 



source of energy, 143 



stimulus and, 1 32 



summation and, 134 



threshold 



depression and, 135 



tonic behavior, 1 3 1 



velocity of the displacement and, 1 33 

 Receptors, 123-144 



see also various types of receptors 



adaptation of, 124, 125, 144 



central control of, 741, 759 



definition, 123 



discharge frequency of, 126-1 28 



electron microscopy of, 141 



excitation of, 123, 129, 130 



excitation reduction and, 1 26 



initiation of impulse, 142 



invertebrate 



nonphotic, 369-383 



junctional, 209 



minute structure of, 141, 142 



photic, 621-642 



potentials of, 1 30-1 35 



repetitive firing, 127 



role, 123 



sensitivity and time factors, 124 



sodium lack and, 136, 137 



specific sensitivity, 1 24 



time course, 129 



tonic, 126 



transmitter action on, 139-141 

 Reciprocal innervation 



niu\ ement and, 1682 

 Recruiting response 



anesthetic and, 1 290. 1 56a 



attention and, 1562 



blocking of, 1 318 



cerebral coi tex, 1311 



characteristics, 1309 



comparison with augmenting responses, 

 1316, 1317 



consciousness, 1 562 



definition, 1308. 1568 



dendritic potential waves and. 1 [10 



diffuse thalamic projection, and. 1 ,68 



drugs and, 1 290 



facilitation of motor activity, 1316 



in different cortical areas, 1 jog 



in visual cortex 



site of stimulation, 1312 

 microelectrode studies. 1300 



sleep spindles and, 1566 



Recruitment 



repetitive stimulation and, 31 1 



Red nucleus w> Nucleus ruber 



Rrllev.es 



tee h/mi individual reflexes 



analysis oi entities. 920 



control of mid-line structures, 947 



crossed, oi cutaneous origin, 946 



effects of myelinated afferent libers, 946 



local sign in, 936 



mechanism, 935 



mediated by autonomic ganglia, 991 



myotatic pathways, 941 



neuronal pools, segmental, 953 



of cutaneous origin, 944 



pyramidectomy and, 839 



recovers in spinal animal, 782 



synaptic determinants of, 187 

 Refraction, 654-656 



coincidence optometer, 659 



indices of 



measurements, 656 



retinoscope and, 659 

 Refractory period 



barbiturates and, 308 



ionic hypothesis and, 64 



visual cortex, 308 

 Reinforcement 



definition, 1474 



Repetitive tiring: tec Nerve libers 



Reproductive behavior 

 see <il\ii Behavior 

 central control of. 1228-1238 

 cerebral cortex and, 1229 

 diencephalic mechanisms, 1231 

 factors influencing, 1227 

 hypothalamus and, 969 

 mechanisms, 1 231 -1233 

 stimulation, 1 234, 1237 

 lowei brain-stem mechanisms, 12211 

 motivational factors in, 1505 

 neural lesions and, 122H 1234 

 neural stimulation and, 1234 1238 

 reticulai formation and, 1 237 

 rhinencephalon and, 1220, 1237 

 self-stimulation and. 

 spinal mechanisms, 1 2211 

 ventricular injection of hormones and. 



Reptiles 



motor cot tex in, 799 



Reserpine 

 conditioned behavior and. 1488 

 Mi. arousal and, 1 290 1 291 

 Parkinson-like tremoi and. 1 291 



Respiration 

 see also Apneusis; Hyperpnea; Polyp- 

 nea 



Volumt I pages 1 780 Volume II; pages 781 1 ■//<> Volume III: pages i//t mw, 



