The physiology and pharmacology of hippocampal formation theta rhythms

Progress in Neurobiology

Volumn 26, Issue 1, 1986, Pages 1-54

  Bland, Brian H ^a  

^a UNIVERSITY OF CALGARY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ATROPINE; CARBACHOL; PHYSOSTIGMINE;

ANIMAL; ANIMAL EXPERIMENT; CENTRAL NERVOUS SYSTEM; DRUG ADMINISTRATION; DRUG ANALYSIS; DRUG EFFICACY; DRUG IDENTIFICATION; DRUG MECHANISM; DRUG MONITORING; ELECTROENCEPHALOGRAPHY; HIPPOCAMPUS; NONHUMAN; PRIORITY JOURNAL; REVIEW; SENSORIMOTOR FUNCTION;

ACETYLCHOLINESTERASE; AFFERENT PATHWAYS; ANIMAL; CATS; CHOLINE O-ACETYLTRANSFERASE; CHOLINERGIC FIBERS; EFFERENT PATHWAYS; ELECTROENCEPHALOGRAPHY; HIPPOCAMPUS; HYPOTHALAMUS; MEMBRANE POTENTIALS; MOTOR ACTIVITY; NEURAL INHIBITION; NEUROTRANSMITTERS; RABBITS; RATS; SENSATION; SEPTUM PELLUCIDUM; SUPPORT, NON-U.S. GOV'T; SYNAPSES; SYNAPTIC TRANSMISSION; THETA RHYTHM;

EID: 0022642956     PISSN: 03010082     EISSN: None     Source Type: Journal    
DOI: 10.1016/0301-0082(86)90019-5     Document Type: Review

References (289)

1. Neurophysiological correlates of information transaction and storage in brain tissue
2. The sensorium and the modulation of cerebral states: Tonic environmental influences on limbic and related systems
3. Localization of hippocampal muscarinic receptors after kainic acid lesion of CA3 and fimbria-fornix transection
4. GABAergic agents in the medial septal nucleus affect hippocampal theta rhythm and acetylcholine utilization
5. A study of the reciprocal connections between the septum and the entorhinal area using anterograde and retrograde axonal transport methods in the rat brain
6. Autoradiographic and histological studies of postnatal neurogenesis A longitudinal investigation of the kinetics migration and transformation of cells incorporating tritiated thymidine in infant rats with special reference to postnatal neurogenesis in some brain regions
7. Postnatal development of the hippocampal dentate gyrus under normal and experimental conditions
8. Autoradiographic and histological evidence of postnatal hippocampal neurogenesis in rats
9. Autoradiographic and histological evidence of postnatal neurogenesis: A longitudinal investigation of the kinetics, migration and transformation of cells incorporating tritiated thymidine in neonate rats, with special reference to postnatal neurogenesis in some brain regions
10. The hippocampus and behavioral maturation
11. Development of the mossy fibres of the dentate gyrus: A light and electron microscopic study of the mossy fibres and their expansions
12. Participating neurones and mechanisms underlying theta activity in unanaesthetized rabbits
13. Septohippocampal pathway necessary for dentate theta production
14. Coupling in rat hippocampal slices: Dye transfer between CA1 pyramidal cells
15. Time of neuron origin in the hippocampal region: An autoradiographic study in the mouse
16. Cross-correlation between the activity of septal units and hippocampal EEG during arousal
17. Role of hippocampal neurons in theta-wave generation
18. 3H] choline
19. Cholinergic and non-cholinergic septo-hippocampal projections: A double-label horseradish peroxidase-acetylcholinesterase study in the rabbit
20. Septal self-stimulation and hippocampal activity
21. The development of the hippocampal region in the rat: Morphogenesis during embryonic and early postnatal life
22. Hippocampal development in the rat: Cytogenesis and morphogenesis examined with autoradiography and low-level X-irradiation
23. Neurons in the rat dentate gyrus granular layer substantially increase during juvenile and adult life
24. Intracellular observations on the disinhibitory action of GABA in rat hippocampus
25. Evidence against the theory that hippocampal theta is a correlate of voluntary movement
26. Hippocampal theta activity and behavior—a review
27. The electrical activity of the hippocampus and the process of attention
28. Hippocampal polymorph neurons are the cells of origin for ipsilateral association and commissural afferents to the dentate gyrus
29. Acetylcholine induced modulation of hippocampal pyramidal neurons
30. Ionic mechanisms of cholinergic excitation in mammalian hippocampal pyramidal cells
31. Cholinergic pharmacology of mammalian hippocampal pyramidal cells
32. Microiontophoretic study of the cholinergic pharmacology of hippocampal pyramidal cells
33. Micro-electrophoretic studies of neurons in the cat hippocampus
34. The direct control of neural processes by reward and punishment
35. Hippocampal electrical activity and behavior
36. Electrical activity of the hippocampus and cortex in dogs operantly trained to move and to hold still
37. Avoidance training of hippocampal theta waves in flaxedilised dogs and its relation to skeletal movement
38. Diencephalic and hippocampal mechanisms of motor activity in the rat
39. Behavioral correlates and afferent control of hippocampal theta cell discharges
40. Electrical stimulation of the hippocampal formation: Behavioral and bioelectrical effects
41. Diencephalic and hippocampal mechanisms of motor activity in the rat: Effects of posterior hypothalamic stimulation on behavior and hippocampal slow wave activity
42. Generators and topography of hippocampal theta (RSA) in the anesthetized and freely moving rat
43. Two generators of hippocampal theta activity in rabbits
44. Automated analysis of rhythmicity of physiologically identified hippocampal formation neurons
45. An assessment of medial septal input to hippocampal theta cells: Effects on firing patterns and behavioral correlates
46. Acetylcholine sensitivity of hippocampal formation neurons
47. Anatomical correlates of rhythmicity of physiologically identified hippocampal formation neurons
48. The use of sodium pentobarbital for the study of immobility-related (type 2) hippocampal theta
49. The relation of multiple hippocampal theta cell discharge rates to slow wave theta frequency
50. The pharmacology of hippocampal theta cells: Evidence that the sensory processing correlate is cholinergic
51. The hippocampus and the sense of smell
52. Frequency and phase of hippocampal electrical activity in the spontaneously behaving cat
53. Die Beeinflussung der “Hippocampus-arousal-Reaktion” beim Kaninchen durch elektrische Reizung im Septum
54. Relationships of hippocampal theta cycles with bar pressing during self-stimulation
55. Reset of hippocampal rhythmical activities by afferent stimulation
56. Cellular bases of hippocampal EEG in the behaving rat
57. Acetylcholine mediates a slow synaptic potential in hippocampal pyramidal cells
58. Behavioral and hippocampal electrical changes during operant learning in cats and effects of stimulating two hypothalamic-hippocampal systems
59. The transynaptic regulation of the septal-hippocampal cholinergic neurons
60. A quantitative electron microscopic study of synaptogenesis in the dentate gyrus of the rat
61. Pharmacological studies on feline Betz cells
62. Ontogeny of fascia dentata electrical activity and motor behavior in the Dutch belted rabbit (Oryctolagus cuniculus)
63. A study of the rat septohippocampal pathway using anterograde transport of horseradish peroxidase
64. Hippocampal electrical activity during the operant conditioning of movement and refraining from movement
65. Electrophysiological studies of the septal nuclei: The lateral septal region
66. The excitatory action of acetylcholine on hippocampal neurons of the guinea pig and rat maintained in vitro
67. Effects of localized septal lesions on hippocampal EEG activity and behavior in rats
68. Alpha-bungarotoxin binding sites in rat hippocampus: Localization in post-synaptic cells
69. The effect of septal nuclei stimulation on the release of ACh from the rabbit hippocampus
70. Release of acetylcholine from the hippocampus of freely moving rats during sensory stimulation and running
71. Electroencephalographic correlates of learning in subcortical and cortical structures
72. Functions of the Septo-Hippocampal System
73. Studies on single neurons in dorsal hippocampal formation and septum in unrestrained rats Part II Hippocampal slow waves and theta cell firing during bar pressing and other behaviors
74. Dipole-like neuronal sources of theta rhythm in dorsal hippocampus dentate gyrus and cingulate cortex of the urethane-anesthetized rat
75. The organization and some projections of cholinergic neurons of the mammalian forebrain
76. Topographical and subcellular localization of choline acetyltransferase in rat hippocampal region
77. Hippocampal pyramidal cells depolarize on the negative phase of dentate theta rhythm in urethane anesthetized rats
78. Localization and anatomical identification of theta and complex spike cells in dorsal hippocampal formation of rats
79. Hippocampal field potentials evolved by stimulation of multiple limbic structures in freely moving rats
80. Electrophysiological characteristics of hippocampal complex-spike cells and theta cells
81. Investigating the mechanisms of hippocampal theta rhythms: approaches and progress
82. Movement dependent and movement independent hippocampal RSA in cats
83. Hippocampal RSA in cats during cued and non-cued delayed response performance
84. Intracellular records from hippocampal pyramidal cells in rabbit during theta rhythm activity
85. Septo-hippocampal relationships during EEG theta rhythm
86. Development of two rhythmical slow activity (RSA) systems in the rabbit hippocampus
87. Ontogeny of hippocampal EEG in the guinea pig and rat
88. The firing pattern of septal neurons and the form of the hippocampal theta wave
89. Effects of atropine sulphate on hippocampal rhythmic slow activity during a conditioned locomotor response in the cat
90. Hippocampal electrical activity during the development of conditioned reflexes
91. The hippocampal electrical correlates of the homeostatic regulation of motivation
92. Frequency-specific relation between hippocampal theta rhythm, behavior and amobarbital action
93. The hippocampus
94. Hippocampal electrical activity in arousal
95. Unit activity of rabbit hippocampus
96. Observations on the electrical activity of the hypothalamus
97. Hippocampal theta in rats under urethane: Generators and phase relations
98. Hippocampal electrical activity. III. Unitary events and genesis of slow waves
99. Rabbit EEG “Theta” rhythm: Its anatomical source and relation to activity in single neurons
100. The effects of 6-hydroxydopamine on food intake and water consumption, self-stimulation, temperature and electroencephalographic activity in the rat
101. Frequency changes in hippocampal electrical activity during movement and tonic immobility
102. Uber die Wirkung Von Pharmaka auf Neurone des Hippocampus nach mikroelektrophoretischer Verabfolgung
103. Neuroembryogenesis in the hippocampal formation of the rat
104. Hippocampal theta rhythm used in predicting feline behaviour
105. Generation of theta activity (RSA) in the cingulate cortex of the rat
106. Hippocampal beta activity Its generation and propagation
107. The relationship of α-bungarotoxin binding activity and cholinergic termination within the rat hippocampus
108. Hippocampal electrical activity in course of sexual behavior of male rats
109. Septal driving of hippocampal theta rhythm as a function of frequency in the free-moving male rat
110. Eine methodik der ableitung lokalisierter potential schwankingen aus subcorticalen hirnyebieten
111. Hippocampal frequency shifts in different behavioural situations
112. The relation of hippocampal theta activity to arousal, attentive behavior and somato-motor movements in restrained cats
113. Choline acetyltransferase-containing neurons in rodent brain demonstrated by immunohistochemistry
114. EEG and multiple-unit activity in limbic and motor systems during movement and immobility
115. Ascending and descending influences in the brain stem reticulum: A re-examination
116. Effects of electronic stimulation of brain stem reticular formation on hippocampal theta rhythm and muscle activity in unanesthetized, cervical and midbrain-transected rats
117. Physiological and behavioral significance of hippocampal rhythmic, slow activity (“Theta rhythm”)
118. Hippocampal EEG and information processing: A special role for theta rhythm
119. Septal- and caudate-induced behavioral inhibition in relation to hippocampal EEG of rabbits
120. Septal neurons containing glutamic acid decarboxylase immunoreactivity project to the hippocampal region in the rat brain
121. Effects of brain lesions and atropine on hippocampal and neocortical electroencephalograms in the rat
122. Synchrony between limbic system theta activity and rhythmical behaviors in rats
123. Rewarding brain stimulation, hippocampal activity, and footstomping in the gerbil
124. Dissociation of hippocampal EEG from its behavioral correlates by septal and hippocampal electrical stimulation
125. Frequency-specific RSA-like hippocampal patterns elicited by septal, hypothalamic, and brainstem electrical stimulation
126. Two types of hippocampal rhythmical slow activity in both the rabbit and the rat: Relations to behavior and effects of atropine, diethyl ether, urethane, and pentobarbital
127. Acetylcholine-sensitive cells in the cerebral cortex
128. Pharmacological properties of acetylcholine sensitive cells in the cerebral cortex
129. Septo-hippocampal pathway modulates hippocampal cholinergic mechanism
130. Identical responses of the two hippocampal theta generators to physiological and pharmacological activation
131. Light autoradiographic localization of cholinergic muscarinic receptors in rat brain by specific binding of a potent antagonist
132. Choline: Selective accumulation by central cholinergic neurons
133. Electrophysiological correlates of copulatory behavior in the male rat: Evidence for a sexual inhibitory process
134. Developmental aspects of hippocampal electrical activity and motor behavior in the rat
135. Rhythmic slow wave activity recorded in the ventral mesencephalic tegmentum in the rat
136. Pharmacology of theta phase shift in the hippocampal CAI region of freely moving rats
137. Theta rhythm during REM and waking: Correlations between power, phase and frequency
138. Theta rhythm: Biophysical model of generation in the hippocampus
139. Intracellular theta in hippocampal CA1 pyramidal cells in the urethane-anesthetized rat
140. Spectral characteristics of hippocampal EEG in the freely moving rat
141. The cholinergic limbic system
142. Hippocampal responses to sensory stimulation in the guinea pig
143. Physiology of the hippocampus and related structures
144. Hippocampal theta frequency shifts and operant behavior
145. Anatomical and functional aspects of the septo-hippocampal projections
146. The functional relationship between septal and hippocampal unit activity and hippocampal theta rhythm
147. Differentiation of brain stem loci which affect hippocampal and neocortical electrical activity
148. Hippocampal function Tentative correlations of conditioning EEG drug and radioautographic studies
149. Olfactory-like responses in pyriform area to non-olfactory stimulation
150. Dye-coupling between CA3 pyramidal cells in slices of rat hippocampus
151. Electronic coupling between pyramidal cells: A direct demonstration in rat hippocampal slices
152. Electronic coupling between granule cells of rat dentate gyrus: Physiological and anatomical evidence
153. Dye-coupling between pyramidal cells of rat hippocampus in vivo
154. Rhythmical slow wave electroencephalographic activity elicited by hippocampal injection of muscarinic agents in the rat
155. Die Physotigminwirkung auf die Hippocampustatigkeit nach Septumlasionen
156. Amine synthesis in various brain regions with caudate or septal lesions
157. The hippocampal control of neuronal discharges in the septum of the rat
158. Frequency-related inhibitory mechanisms controlling rhythmical activity in the septal area
159. Efferent connections of the hippocampal formation in the rat
160. Changes in acetylcholinesterase and distribution of degenerating fibres in the hippocampal region after septal lesions in the rat
161. Substantia innominata, septal area and nuclei of the diagonal band in rhesus monkey: Organization of afferents and their acetylcholinesterase histochemistry
162. Zur Entwicklung der Neuronenstruktur des Hippocampus wahrend der pra- und postnatalen Ontogenese der Albinoratte: Mitteilung: Morphometrische Erfassung der untogenetischen Veranderungen in Dendritenstruktur and Spine besatz an Pyramidenneuronen (CA1) des Hippocampus
163. Generation of theta rhythm in medial entorhinal cortex of freely-moving rats
164. The hippocampus and the neural organization of mesodiencephalic motivational functions
165. Experimental dissociation between wakefulness and paradoxical sleep hippocampal theta
166. The effects of entorhinal cortex lesions on type 1 and type 2 theta
167. Septal unit activity and hippocampal EEG during the sleep-wakefulness cycle of the rat
168. Hippocampal EEG during a ballistic movement
169. Locomotor avoidance and maze behavior in rats with selective disruption of hippocampal output
170. Spontaneous activity of cat hippocampal neurons in sleep and wakefulness
171. The influence of septal nuclei lesions on activity of acetylcholinesterase and choline acetyltransferase in the hippocampus of the rat
172. Place units in the hippocampus of the freely moving rat
173. The hippocampus as a spatial map: Preliminary evidence from unit activity in the freely moving rat
174. Modulating systems of hippocampal EEG
175. An immunohistochemical study on the location of GABAergic neurons in rat septum
176. On the functional significance of the hippocampal theta rhythm
177. On the functional significance of the circuit of Papez
178. Transfer of the hippocampal output by the anterior thalamic nuclei
179. Rewarding intracranial stimulation, movement and the hippocampal theta rhythm
180. Topographic and toposcopic study of origin and spread of the regular synchronized arousal pattern in the rabbit
181. The significance of the rabbit's septum as a relay station between the midbrain and the hippocampus I The control of hippocampus arousal activity by the septum cells
182. Rhythmicity of septal cell discharges at various levels of reticular excitation
183. Hippocampal slow wave activity as a correlate of basic behavioral mechanisms in the rat
184. Interrelationships of hippocampal EEG and visual evoked responses during appetitive behavior in rats
185. Arousal activation and effort in the control of attention
186. Structural characteristics of neurons in the feline hippocampus during postnatal ontogenesis
187. Studies of single neurons in dorsal hippocampal formation and septum in unrestrained rats. Part I. Behavioral correlates and firing repertoires
188. Behavioral correlates and firing repertoires of neurons in the dorsal hippocampal formation and septum of unrestrained rats
189. Behavioral correlates and firing repertoires of neurons in septal nuclei in unrestrained rats
190. Septo-hippocampal connections and the hippocampal theta rhythm
191. Extracellular fields influence transmembrane potentials and synchronization of hippocampal neuronal activity
192. Diencephalic and brainstem afferents to the hippocampal formation of the rat
193. Excitation and depression of cortical neurons by 5-hydroxytryptamine
194. Hippocampal rhythmic slow activity (RSA; theta): a critical analysis of selected studies and discussion of possible species-differences
195. Effects of hemicholinium-3 and choline on hippocampal electrical activity during immobility vs. movement
196. Electrical stimulation of the brain stem in freely moving rats II Effects on hippocampal and neocortical electrical activity and relations to behavior
197. Two types of cerebral activation during active sleep: Relations to behavior
198. Are the dorsal noradrenergic bundle projections from the locus coeruleus important for neocortical or hippocampal activation?
199. Pharmacological characteristics of facilitation of hippocampal population spikes by cholinomimetics
200. Dentate granule cells in the rat hippocampal formation have the behavioral characteristics of theta neurons
201. Hippocampal correlates of consummatory and observed behavior
202. Stimulus processing and response execution: A neurobehavioral theory
203. Pharmacology of the dendritic action of acetylcholine and further observations on the somatic disinhibition in the rat hippocampus in situ
204. An analysis of cholinoceptive neurons in the hippocampal formation by direct microinfusion
205. Hippocampal excitability phaselocked to the theta rhythm in walking rats
206. Beeinflussbarkeit der rhinencephalen tatigkeit des Kaninchens
207. Hippocampal activity during natural behavior in the guinea pig
208. Type 2 theta in the guinea pig and the cat
209. The effects of selective septal lesions on theta production in CA1 and the dentate gyrus of the hippocampus
210. The relationship between type 2 theta and behavior
211. Action currents in the central nervous system
212. The time of origin of neurons in Ammon's horn and the associated retrohippocampal fields
213. An autoradiographic study of the time of origin and the pattern of granule cell migration in the dentate gyrus of the rat
214. Gap junctions on CA3 pyramidal cells of guinea pig hippocampus shown by freeze-fracture
215. Development of rabbit hippocampus
216. Development of rabbit hippocampus
217. A correlation between hippocampal responses to interhemispheric stimulation
218. Afferents to the hippocampus of the rat studied with the method of retrograde transport of horseradish peroxidase
219. Phase of the theta wave in relation to different limb movements in awake rats
220. Hippocampal unit activity altered by lesions of the fimbria-fornix in rats
221. The ascending cholinergic reticular system: Neocortical, olfactory and subcortical projections
222. Cells in CA1 and dentate layers of hippocampal formation: Relations to slow-wave activity and motor behavior in freely moving rabbit
223. The release of acetylcholine from rabbit hippocampus
224. Cellular and integrative properties of the hippocampal pyramidal cell and the comparative electrophysiology of cortical neurons
225. Influence of microelectrophoretically applied acetylcholine on the responsiveness of hippocampal and lateral geniculate neurons
226. Ibotenic acid lesions of medial septum abolish atropine-resistant RSA
227. Localization of transmitter candidates in the brain: The hippocampal formation as a model
228. Localization of putative transmitters in the hippocampal formation, with a note on the connections to septum and hypothalamus
229. The last component in the electrical activity of rabbit's hippocampus
230. The significance of the rabbit's septum as a relay station between the midbrain and the hippocampus. II. The differential influence of drugs upon the septal cell firing pattern and the hippocampus theta activity
231. Synchronous neurai afterdischarges in rat hippocampal slices without active chemical synapses
232. Lesion-induced sprouting in the rat dentate gyrus is inhibited by repeated ethanol administration
233. Synchronization without active chemical synapses during hippocampal afterdischarges
234. Power spectral shifts in hippocampal EEG associated with conditioned locomotion in the rat
235. The topological anatomy of the hippocampus: A clue to its function
236. The histological organization of the pacemaker for the hippocampal theta rhythm in the rabbit
237. Two types of pattern of hippocampal electrical activity induced by stimulation of hypothalamus and surrounding posts of rabbit's brain
238. Presynaptic inhibitory effect of acetylcholine in the hippocampus
239. Behavioral correlates of “theta” waves
240. Hippocampal electrical activity and voluntary movement in the rat
241. Limbic-diencephalic mechanisms of voluntary movement
242. Neocortical and hippocampal activation in relation to behavior: Effects of atropine, eserine, phenothiazines and amphetamine
243. Hippocampal rhythmical slow activity: A brief history and the effects of entorhinal lesions and phencyclidine
244. Hippocampal electrical activity during waking behavior and sleep: Analyses using centrally acting drugs
245. Reticulo-cortical activity and behavior: A critique of the arousal theory and a new synthesis
246. Diencephalic, hippocampal, and neocortical mechanisms in voluntary movement
247. Hippocampal rhythmical slow activity and neocortical low voltage fast activity: Relations to behavior
248. Hippocampal electrical activity during waking behavior and sleep: Analyses using centrally acting drugs
249. Pathways through cingulate, neo- and entorhinal cortices mediale atropine-resistant hippocampal rhythmical slow activity
250. Brain stem activation of the hippocampus: A role for the magnocellular reticular formation and the MLF
251. An analysis of ascending brain stem systems involved in hippocampal synchronization and desynchronization
252. Brain stem generation of the hippocampal EEG
253. Registration of information and the limbic system
254. Neuronal aspects of septo-hippocampal relations
255. Neuronal activity of the septum following various types of deafferentation
256. Excitation, inhibition, and rhythmical activity in hippocampal pyramidal cells in rabbit
257. Dentate granule cell discharge during conditioning
258. Hippocampal rhythmic slow activity (“theta”) and behavior elicited by medial septal stimulation in rats
259. Hippocampal electroencephalographic activity in the Mongolian gerbil during natural behaviors and wheel running in the rat during wheel running and conditioned immobility
260. The effects of alcohol and atropine on EEG and behavior in the rabbit
261. Sparing of rhythmic slow activity (RSA or theta) in two hippocampal generators after kainic acid CA3 and CA4 lesions
262. Hippocampal EEG and behavior: Effects of variation in body temperature and relation of EEG to vibrissae movements, swimming, and shivering
263. Hippocampal EEG and behavior; changes in amplitude and frequency of RSA (theta rhythm) associated with spontaneous and learned movement patterns in rats and cats
264. Hippocampal activity, behavior, self-stimulation and heart rate during electrical stimulation of the lateral hypothalamus
265. Neuromuscular blockade: The effects on two hippocampal RSA (theta) systems and neocortical desynchronization
266. Postnatal hippocampal granule cell agenesis in the rat: Effects on two types of rhythmical slow activity (RSA) in two hippocampal generators
267. Comparative potency of tactile auditory, and visual stimulus repetition in eliciting activated forebrain EEG in the rabbit
268. Electrical activity of the hippocampus and neocortex in rats depleted of brain dopamine and norepinephrine: Relations to behavior and effects of atropine
269. Interspecies differences in the occurrence of theta
270. Patterns of hippocampal theta rhythm in the freely moving rat
271. Hippocampal theta rhythm I. Depth profiles in the curarized rat
272. Hippocampal theta rhythm. II. Depth profiles in the freely moving rabbit
273. Neuronal transmission through hippocampal pathways dependent on behavior
274. Theta cells in dorsal CA1, CA3, and dentate fire maximally on the positive phase of dentate theta rhythm in walking rats
275. Hippocampal theta rhythm: Phase relations of neuron firing and conductance in urethanized rats
276. A study of subcortical afferents to the hippocampal formation in the rat
277. A study on the invasive hippocampal 0-waves to the cortex
278. Effects of brain stem stimulation upon hippocampal electrical activity, somatomotor reflexes and autonomic functions
279. Conditioned reflex and electroencephalography
280. Studies on the neural basis of behavior by continuous frequency analysis of EEG
281. Electrical activity of the dorsal hippocampus in rats operantly trained to lever press and to lick