abstract：:Levels of serotonin were measureed in microdissected, individual brain nuclei in ovariectomized rats after treatment with ovarian hormones. Regions sampled included nuclei in the forebrain, rostral and medial hypothalamus, and midbrain tegmentum. Estradiol benzoate decreased levels of luteinizing hormone in plasma but...

journal_title：Brain research bulletin

authors： Crowley WR,O'Donohue TL,Muth EA,Jacobowitz DM

更新日期：1979-07-01 00:00:00

abstract：:Surgical removal of the olfactory bulbs (OB) was performed in mature male red-winged blackbirds, maintained under a short-day light regime. Bulbectomy caused hyperphagia, which was not accompanied by obesity. Bulbectomized (OBX) birds had incresaed thyroid follicular activity and had greater developed testes than sham...

journal_title：Brain research bulletin

authors： Robinzon B,Katz Y,Rogers JG Jr

更新日期：1979-05-01 00:00:00

abstract：:Cats pretreated with morphine (5 mg/kg, IP) received naloxone into the area of the locus coeruleus (LC) or the area of the substantia nigra (SN). The LC-treated animals stopped the morphine-induced stereotyped behavior and showed normal but hyperactive behavior. The SN-treated animals, however, ceased their movements ...

journal_title：Brain research bulletin

authors： van Dongen PA,Broekkamp CL,Cools AR

更新日期：1979-05-01 00:00:00

abstract：:Stimulation of the dorsal frontal cortex (area 10, FCtx) evoked two negative waves with short latencies (N1 and N2) followed by a large, longlasting positive wave (P) in the ventromedial nucleus (VMH) as well as in the more dorsal structures in the hypothalamus and the ventral thalamus. Since the N1 followed high freq...

journal_title：Brain research bulletin

authors： Ohta M,Oomura Y

更新日期：1979-03-01 00:00:00

abstract：:During a single-step visual tracking task of monkeys, parametric changes of the wrist extension-flexion movement and related discharge rate changes of pyramidal tract neurons (PTNs) of hand-arm motor area were studied. The task consisted of preparatory, precontraction, contraction and target periods. If the displaceme...

journal_title：Brain research bulletin

authors： Hamada I,Kubota K

更新日期：1979-03-01 00:00:00

abstract：:Prostaglandin E2 may not be solely responsible for hyperthermia produced by central administration of sodium arachidonate. To determine its effect, if any, on body temperature prostacyclin sodium salt, another product of prostaglandin endoperoxides, was injected into the third cerebral ventricle of unrestrained, unane...

journal_title：Brain research bulletin

authors： Clark WG,Lipton JM

更新日期：1979-01-01 00:00:00

abstract：:Chronic unit activity and gross movement were recorded from rats during two discrimination reversals in a classical appetitive conditioning situation. The anticipatory movement decreased in response to the former CS+ tone and increased to the previous CS- tone after each reversal. Hippocampus and motor cortex were dif...

journal_title：Brain research bulletin

authors： Disterhoft JF,Segal M

更新日期：1978-11-01 00:00:00

abstract：:All the opiate-like peptides we tested (Met-enkephalin, (D-Ala2)-Met-enkephalin-NH2, beta-endorphin, (D-Ala2)-beta-endorphin, (D-Ala2)-alpha-endorphin, (D-Ala2)-gamma-endorphin) were capable of reducing distress vocalizations (DV's) in socially-isolated chicks when injected into the vicinity of the fourth ventricle in...

journal_title：Brain research bulletin

authors： Panksepp J,Vilberg T,Bean NJ,Coy DH,Kastin AJ

更新日期：1978-11-01 00:00:00

abstract：:The effects of a low protein diet during gestation, lactation, and after weaning on the anatomical development of a subcortical nucleate formation, the neostriatum, and a reticulate formation, the diagonal band of Broca, were studied. At 10, 30, and 90 days the volume of the neostriatum was decreased in the experiment...

journal_title：Brain research bulletin

authors： Kemper TL,Pasquier DA,Drazen S

更新日期：1978-09-01 00:00:00

abstract：:Many similarities exist between the inhibitory influence of estrogen on food intake (FI) and body weight (BWt) in female rats and the effect of lateral hypothalamic (LH) lesions on energy balance. Thus, a possible interaction of small electrolytic LH lesions (0.8 mA/10 sec) with hormone-dependent changes in FI, BWt an...

journal_title：Brain research bulletin

authors： Nance DM,Gorski RA

更新日期：1978-09-01 00:00:00

abstract：:The effects of unilateral cortical spreading depression (CSD) on feeding, drinking and other behaviors were studied in rats. CSD waves were elicited by a microinjection of KC1 solution through an implanted cannula. The animal's behavior and slow potential changes (SPC) accompanying CSD were then simultaneously monitor...

journal_title：Brain research bulletin

authors： Shibata M

更新日期：1978-07-01 00:00:00

abstract：:The possible involvement of basal telencephalic structures in visually conditioned heart rate change (established by pairing light and foot-shock) was studied in 156 pigeons by evaluating conditioning performance following lesions of the septum or lobus parolfactorius. Extensive destruction of the septal complex had n...

journal_title：Brain research bulletin

authors： Cohen DH,Goff DM

更新日期：1978-07-01 00:00:00

abstract：:Electroretinographic evoked potentials (ERGs) were recorded in dark adapted crayfish by the application of pulses of light (0.09 Cd/ft2) presented every 2.5 min. Heterolateral illumination (HI) for sixty min (0.06-0.3 Cd/ft2) induced up to 50% decrease in ERG after a latency of 12-25 min. ERG depression was proportion...

journal_title：Brain research bulletin

authors： Barrera-Mera B,Abasta EM

更新日期：1978-03-01 00:00:00

abstract：:Previous research has demonstrated that while primary visual cortex lesions in rats will disrupt performance of a learned brightness discrimination, the neural traces associated with this discrimination are spared. Moreover, the spared neural traces may, in certain instances, influence the postoperative reinstatement ...

journal_title：Brain research bulletin

authors： Levere TE,Davis N,Fontaine CW

更新日期：1978-01-01 00:00:00

abstract：:The ontogeny of sensorimotor behaviors of albino rats were evaluated from birth through adulthood (Experiment 1). Sensorimotor behaviors (e.g., visual and tactile orientation, forelimb and hindlimb hopping, righting reflexes) achieved mature (adultlike) characteristics at various ages during ontogeny and a rostral-cau...

journal_title：Brain research bulletin

authors： Almli CR,Fisher RS

更新日期：1977-11-01 00:00:00

abstract：:Single unit activity was recorded in the neocortex of awake cats during spontaneous spike wave discharges. Ongoing activity was interrupted during paroxysmal events and was replaced by (1) bursts of action potentials coincident with the EEG spike and cessation of firing during the wave, or (2) cessation of firing for ...

journal_title：Brain research bulletin

authors： Wray DV,Hablitz JJ

更新日期：1977-09-01 00:00:00

abstract：:Single units were recorded bilaterally from the caudate nuclei of cats before and after 50 microliter injections of either Merlis solution or L-DOPA (200 microgram) dissolved in Merlis into the left lateral cerebral ventricle. After injection of L-DOPA, but not Merlis solution, there was a period of unit silence in bo...

journal_title：Brain research bulletin

authors： Shellenberger MK,Young DN,Levine MS

更新日期：1977-07-01 00:00:00

abstract：:Among the brain areas studied only pars distalis and pars intermedia are found to contain beta-lipotropin activating enzyme indicating the these may be the exclusive organs for a physiologically significant conversion of beta-lipotropin into beta-endorphin. beta-Endorphin inactivating enzyme is found to be rather unif...

journal_title：Brain research bulletin

authors： Kenessey A,Graf L

更新日期：1977-07-01 00:00:00

abstract：:Excised lateral eye retinular cells of Limulus polyphemus exposed to chlorobutanol were examined using microelectrode techniques. The effects observed were: (1) a marked shortening of the receptor potential latent period; (2) a decrease in the effective input resistance of retinular cells to hyperpolariziog currents; ...

journal_title：Brain research bulletin

authors： Wulff VJ,Jahy JL

更新日期：1977-05-01 00:00:00

abstract：:Waxing and waning electrographic responses (augmenting) and primary evoked responses could be induced in restricted regions of hippocampus, thalamus, and skeletal muscle by bipolar, low-frequency (7-10 Hz), low-amplitude (35 mV-4V) stimulation of selected sites within the hippocampus or thalamus of rabbits. Induction ...

journal_title：Brain research bulletin

authors： Palmer MR,Klemm WR

更新日期：1977-03-01 00:00:00

abstract：:Bilateral lesions of the entorhinal cortex (E.C.) of the rat result in persistent deficits in both spontaneous and reinforced alternation. The present study analyzes the nature of this impairment. To determine if changes in exploratory activity accompanied the deficits in alternation, open field activity was measured ...

journal_title：Brain research bulletin

authors： Steward O,Loesche J,Horton WC

更新日期：1977-01-01 00:00:00

abstract：:Axons of retinal ganglion cells showed responses not previously emphasized: (a) many tonic units discharged oscillations, 2--12 spikes per burst, interburst intervals 20--300 msec; (b) phasic units showed concentric or flanking ON and OFF fields, response frequency depended on balance of retinal excitation and inhibit...

journal_title：Brain research bulletin

authors： O'Benar JD

更新日期：1976-11-01 00:00:00

abstract：:Single-unit recordings were made from lateral hypothalamic area (LHA) neurons of infant (8 through 21 days of age) male and female albino rats. Basal (or spontaneous) firing rates of LHA neurons were recorded for 20 min from rats 8 through 21 days of age, and mean basal firing rates did not differ across ages. Basal f...

journal_title：Brain research bulletin

authors： Almli CR,McMullen NT,Golden GT

更新日期：1976-11-01 00:00:00

abstract：:The effects of changes in ambient and central temperature, amines, PGEu and pyrogen were investigated with respect to the mechanism of Na+-Ca++ ratio in the posterior hypothalamus of the unrestrained cat. Guide tubes were implanted bilaterally above the posterior hypothalamic area of 23 cats so as to accommodate push-...

journal_title：Brain research bulletin

authors： Myers RD,Simpson CW,Higgins D,Nattermann RA,Rice JC,Redgrave P,Metcalf G

更新日期：1976-05-01 00:00:00

abstract：:The rostral pons of the cat and rhesus monkey were examined for the presence of labeled cells following injections of horseradish peroxidase (HRP) into the lumbar spinal cord. Labeled cells were found in the ipsilateral dorsolateral pontine tegmentum and in the contralateral ventrolateral pontine reticular formation. ...

journal_title：Brain research bulletin

authors： Hancock MB,Fougerousse CL

更新日期：1976-03-01 00:00:00

abstract：:The spontaneous activity of hippocampal and denate units was investigated in acute and chronic experiments on adult rats. Spontaneous unitary discharges from both regions were measured before and after brief tetanic stimulation of the entorhinal cortex. An increase in the frequency of spontaneous unit activity was obt...

journal_title：Brain research bulletin

authors： Deadwyler SA,Gribkoff V,Cotman C,Lynch G

更新日期：1976-01-01 00:00:00

abstract：:A continuous rhythmic discharge in the subthalamic nucleus (STN), lateral habenular nucleus, and ventral tegmental area (VTA) is associated with tremor in cats lightly anesthetized with barbiturate. The pontine raphe nuclei centralis superior and inferior also show barbiturate dependent slow wave and unitary activity....

journal_title：Brain research bulletin

authors： Sutin J,Tsubokawa T,McBride R

更新日期：1976-01-01 00:00:00

abstract：:A microscope-enlarger is described which can be used to produce 20 cm by 25 cm negatives of histological sections at magnifications up to 1,000 diameters, without loss of image quality or reduction of resolution. Standard flat-field microscope optics are used, and the apparatus is adjustable for Koehler illumination. ...

journal_title：Brain research bulletin

authors： Kennedy MC,Rubinson K

更新日期：1976-01-01 00:00:00