i 99 8 



I! \Mimicik ' '1 rmM< u I KJ1 



Ml KOI'IIVSH '1 i ". \ 111 



patterns nl activity, 1926 

 phosphoi \ l.ition and, 1823 



physiology, 59 254 



postactivity excitability of, 308-311 



properties of, 1935, 1954 



single unit activity of, 261 276, 305 



sodium, potassium and, 1823 



soma 



potentials from, -'73 

 structural elements of, 1819 

 theory: tee Historical developments, 



concepts 

 threshold, 1935 

 Neuropathies 

 nutritional 



description, m: 1 

 Neurophysiology 



architecture of knowledge, 1922 1924 

 comparative interpretation, 1444 

 higher functional mechanisms, 1445 

 integration, 1919-1960 

 setting of the nervous system, [922 



1924 



stale ul the s( lence, I92O 1922 



Neurosecretion, 1039 1060 



A( :'I 1 1 release, 1054, 1055 



centrifugation of granules, 1043 



electromicroscopy of granules, 1043 



into ventricular fluid, 104(1 



invertebrates, 1057-1060 



iumbricus, 1057 



peripheral nervous system, 1 113d 



staining methods for, 1043 



systems, not staining with chrom- 

 hematoxylin, 1056 



vertebrates, 1040-1057 

 Neurosecretory fibers 



definition, 1040 



electrical activity of, 1053 



termination in various parts of brain, 



\< urosecretory granules 

 centrifugation, 1043 

 differentiation from mitochondria, 1045 

 ela tromicroscopy, 104 | 



llolll \ ,11 Kins species, 1 O44 



staining methods for, 1043 

 Neuroseci etoi j material 



axon 11 ansport, 1053 



control ol .nun mm pituitai y and, 1055 



com latii in 



with antidiuretii hoi mone, 1048 

 with posterior lobe hormones, 1050 



1 11. 1 is .il depletion, 1048 



experimental reduction of, 1048 



lull. 1 nation 104(1 



hi-iin hemistry, 1047 



ontogeny, 1047 



sia i" 1. 11 Bulfhydi \ 1 groups, 104 



siipi aoptil ohypophyseal ti a< 1 and m ,n 



n ansfi 1 1046 



Neurosyphilis 



central nervous system metabolism, 



l8 53. l8 59 

 Neurotransmitters: see Transmitter sub- 

 stances 

 Niacin 



tency 

 mental disorders and, 1900 

 function, 1899 

 Nicotinamide 



visual excitation and, 691 

 Nicotinic acid: see Niacin 

 Night blindness 

 opsins and, 688 

 \ itamin A and, 688 

 Night myopia: see Myopia 

 Nitrogen mustard 



intraocular pressure and, 1 782 

 Nodal membrane: see Nodes of Ranvier, 



membrane 

 Nodes of Ranvier 

 membrane 



threshold stimulation and, 96 

 role in conduction, log 

 threshold at, 87 

 Nonphotic receptors 



in invertebrates, 369 

 Nonpolarizing competitive inhibitors: see 



Synaptic inactivators 

 Noradrenaline : see Norepinephrine 

 Norepinephrine 



see also Adrenergic transmitter; Cate- 

 cholamines, Dopamine, Epinephrine; 

 Isopropylnorepinephrine, Transmit- 

 In substances 

 acetylcholine and, 210 

 as transmitter substance, 218, 1000 



in coronary vessels, 1 133, 1137 

 as vasoconstrictor, 1 748 

 at postganglionic adrenergic nerve 

 terminals, 1 133 



central nervous system metabolism, 



i860 

 cerebral blood flow, 1 746, 1 757 

 1 1 11.11 I11 i/ation, 178 

 content in autonomic nerves, 220 

 differentiation from epinephrine, 218 



in skeletal muscle vessels, 1 1 33 



other adrenergic transmitters and, 228 



release, 222 



Storage, 3 ^ 1 



\ii. Ii n K ids 



metabolism, 1822 



schema, 1800 



Nucleoproteins 



as engrains for memory, 1675 



\iii Ii olides 



structural foi mill. is, 1 ;<io 



\ih I. us interstitalis 



rotation and, 891, 893 

 Nucleus lateropolaris: tee Thalamic 

 nuclei 



Nucleus niger 

 ablation of, 884 

 epinephrine in, 888 



function, 888, 920 



lesions in, 868 

 man, 886 



Tarkinsonism and, 885 



stimulation of, 884 

 Nucleus reticularis: see Thalamic nuclei 

 Nucleus ruber 



ablation, 889 



as efferent path for extrapyramidal 

 motor system, 872 



destruction in man, 890 



function, 920 



hypokinesia and, 787 



in various species, 888 



stimulation, 888 

 Nucleus subthalamus 



contraversive syndrome and, 879 



destruction in man, 879 



function of, 880 



lesions in, 867 



stimulation of, 878 

 Nucleus ventralis anterior: see Thalamic 



nuclei 

 Nucleus ventrocaudalis: see Thalamic 



nuclei 

 Nucleus ventrointermedius: set Thalamic 



nuclei 

 Nucleus v enti o-oralis : see 1 liul.unu nuclei 

 Nystagmus 



cerebellar, 1 106 



characteristics of, 558 



definition, 1098 



optokinetic, 1099, 1101, 1102 



production 01, 1098 



reticular formation and, 559, 913 



vestibular mechanism and, 558 



( tbesity 



hypothalamus and, 969 

 Obstruction method 



as measure of motivation, 1513 

 factors affecting, 1513 

 < Vcipii.d cortex : see Visual cortex 

 ( )cclusion 

 of evoked potential 



as distinct from inhibition, 310 

 definition, 310 



Ocelli 



classification, 630 

 definition, (128 

 insect 



retina in, 631 

 ( >t ul. u muscles tee Eye musi les 

 Oculai system r « Visual system, central 

 1 ii ulomotor nerve 



autonomic functions of, 962 

 I Mm discrimination 



ablation studies, 1 |'» 1 



Volumi I Paget 1 780 Volume II pagei 781 1 140 Volume III pagei 1441 ro6"6 



