abstract：:Lead induces peripheral nerve segmental demyelination in rats. Arsenic and thallium produce a peripheral neuropathy characterized by axonal degeneration in humans. Mercury and thallium appear to damage both the peripheral and the central nervous system. It is not known whether this difference in effect is due to diffe...

journal_title：Experimental neurology

authors： Windebank AJ

更新日期：1986-10-01 00:00:00

abstract：:A novel model of status epilepticus based on the kindling model of epilepsy is described. The model involves the administration of a small dose of pilocarpine (20 mg/kg) to rats that have been previously kindled. Stimulation of these pretreated rats produces seizures which continue uninterrupted for approximately 4 h ...

journal_title：Experimental neurology

authors： Buterbaugh GG,Michelson HB,Keyser DO

更新日期：1986-10-01 00:00:00

abstract：:Rats with precollicular transections leaving the brain stem intact were subjected to electroshock or pentylenetetrazol-induced convulsions. Animals with transections failed to display the face and forelimb clonus (with or without rearing) typically seen in sham-operated rats subjected to pentylenetetrazol- or minimal ...

journal_title：Experimental neurology

authors： Browning RA,Nelson DK

更新日期：1986-09-01 00:00:00

abstract：:Twelve neurons in the median preoptic nucleus were antidromically activated by electrical stimulation of the hypothalamic paraventricular nucleus in the rat. Electrical stimulation of the subfornical organ produced excitation (N = 7) or inhibition (N = 4) of the activity of these identified units. The activity of all ...

journal_title：Experimental neurology

authors： Tanaka J,Kaba H,Saito H,Seto K

更新日期：1986-09-01 00:00:00

abstract：:The purpose of this study was to determine whether or not tooth pulp stimulation in the rat can selectively activate the pulp nerve fibers without excitation of the periodontium and to decide if the nerve fibers situated in the pulp of the rat's incisor are involved in the nociceptive reactions caused by an intrapulpa...

journal_title：Experimental neurology

authors： Rajaona J,Dallel R,Woda A

更新日期：1986-08-01 00:00:00

abstract：:Paired-pulse potentiation was studied in the CA1 region of rats exposed prenatally to alcohol. Pregnant rats were fed a liquid diet containing 35% ethanol-derived calories on days 3 to 21 of gestation. Control animals were fed liquid diets without ethanol. When the pups of both groups were 40 to 60 days old, hippocamp...

journal_title：Experimental neurology

authors： Hablitz JJ

更新日期：1986-08-01 00:00:00

abstract：:The vibrissae of rats were shaved from one side of the face daily for 10 days. To see whether or not this treatment had an effect on crossed and uncrossed striatal afferent connections from the midbrain, the tract tracer horseradish peroxidase was applied to the caudate-putamen on day 11. When the tracer was deposited...

journal_title：Experimental neurology

authors： Huston JP,Morgan S,Lange KW,Steiner H

更新日期：1986-08-01 00:00:00

abstract：:The sciatic nerve of the rat is a commonly used model for studies on nerve injury, regeneration, and recovery of function. To interpret the changes that occur in a neuron population subsequent to peripheral nerve injury, and to compare different repair procedures, it is essential to have a complete and accurate unders...

journal_title：Experimental neurology

authors： Swett JE,Wikholm RP,Blanks RH,Swett AL,Conley LC

更新日期：1986-07-01 00:00:00

abstract：:Motor nerve conduction velocity was measured in six branches of the sciatic nerve in streptozotocin-diabetic rats. It was markedly reduced in nerves to the gastrocnemius, soleus, tibialis anterior, and extensor digitorum longus muscles. The branch to the plantaris muscle remained unaffected. In control rats none of th...

journal_title：Experimental neurology

authors： Cameron NE,Cotter MA,Harrison J

更新日期：1986-06-01 00:00:00

abstract：:Chewing rhythms are set by a putative central pattern generator whose output is influenced by sensory feedback. In this study we assessed how an altered feedback imposed by changing the hardness of a gum bolus modifies the timing of chewing, the maximal gape, and the activity in the masseter muscle on the chewing side...

journal_title：Experimental neurology

authors： Plesh O,Bishop B,McCall W

更新日期：1986-06-01 00:00:00

abstract：:After injury of their axons, damaged neurons shift their metabolic activity into a reparative mode aimed at survival and regeneration or, alternatively, they undergo degeneration and die. Previous reports have shown that at the initial stages of the response to axonal injury, polyamines are essential for neuronal surv...

journal_title：Experimental neurology

authors： Dornay M,Gilad VH,Shiler I,Gilad GM

更新日期：1986-06-01 00:00:00

abstract：:Rats typically display self-mutilation (autotomy) of a paw that has been denervated by transection of the sciatic and saphenous nerves. The cause of autotomy, however, is not known. It may be due to hyperesthesia (comparable to that seen in humans after peripheral nerve injury) or anesthesia (as an attempt to shed an ...

journal_title：Experimental neurology

authors： Coderre TJ,Melzack R

更新日期：1986-06-01 00:00:00

abstract：:Rat cortical explants were cultured in the presence or absence of the mitotic inhibitor cytosine arabinoside to determine whether or not it affects the composition of the nonneuronal cell population within the outgrowth zone. Ultrastructural morphometric analysis of the incidence of fibroblasts, fibrous astrocytes, an...

journal_title：Experimental neurology

authors： Oorschot DE,Jones DG

更新日期：1986-05-01 00:00:00

abstract：:An autoradiographic method is described for detecting changes in ornithine decarboxylase in axotomized superior cervical ganglion neurons of rats using [3H]difluoromethylornithine. An increase in binding to neurons was seen at 12 h and 1 day after crushing the postganglionic nerves. Binding returned to control values ...

journal_title：Experimental neurology

authors： Wells MR

更新日期：1986-05-01 00:00:00

abstract：:The tooth pulp-evoked jaw-opening reflex was studied in the barbiturate-anesthetized cat. At liminal intensity of the stimulus, a stable short-latency response was obtained in the digastricus and in the tongue. At a higher stimulus intensity, there occasionally appeared to be a prolonged discharge of variable duration...

journal_title：Experimental neurology

authors： Pertovaara A,Huopaniemi T,Aukee K

更新日期：1986-04-01 00:00:00

abstract：:Effective spread of stimulating current from macroelectrodes was measured using antidromic responses of axons of the pyramidal tract as an indicator of excitation. Both monopolar and concentric bipolar electrode configurations were tested with stimulating distances as large as 7mm. The effective stimulation distance w...

journal_title：Experimental neurology

authors： Follett KA,Mann MD

更新日期：1986-04-01 00:00:00

abstract：:Cyclic nucleotides are thought to act as second messengers of neurotransmission inside central neurons, and cyclic guanosine monophosphate (cGMP) has been postulated to act as a messenger for muscarinic, cholinergic transmission. Nonetheless, the action of cGMP has not yet been established in identified cortical neuro...

journal_title：Experimental neurology

authors： Woody C,Gruen E,Sakai H,Sakai M,Swartz B

更新日期：1986-03-01 00:00:00

abstract：:A new mutant, peroneal muscular atrophy (pma) mouse in CF#1 strain has an autosomal recessively inherited equinovarus (club foot deformity) of the hind legs because of the absence of the common peroneal nerve branch of the sciatic nerve. We found the peroneal muscles were hypoplastic with histochemical and electron mi...

journal_title：Experimental neurology

authors： Nonaka I,Kikuchi A,Suzuki T,Esaki K

更新日期：1986-03-01 00:00:00

abstract：:Electrophysiological studies on preganglionic neurons (PGNs) in the dorsal motor nucleus (DMN) of the vagus nerve has been hampered by technical limitations. Conventional electrical stimulation of the vagus nerve with cathodal square-wave pulses activates both preganglionic and afferent fibers. Thus, some PGNs cannot ...

journal_title：Experimental neurology

authors： Nosaka S

更新日期：1986-02-01 00:00:00

abstract：:The functional and morphologic consequences of treatment of peripheral nerve lesions with exogenous 3,3',5-triiodo-L-thyronine (T3) are unclear. In this study adult Wistar rats with sciatic nerve crush lesions were treated with 20 micrograms/kg/day of T3. The treated animals gained weight though more slowly than vehic...

journal_title：Experimental neurology

authors： Allpress SJ,Pollock M

更新日期：1986-02-01 00:00:00

abstract：:The age-dependent effects of sympathetic superior cervical ganglionectomy on smooth muscle alpha-adrenoceptor contractile responses were investigated in Müller's muscle in the superior eyelid of the Sprague-Dawley rat. Ganglionectomies in juvenile (32 days) and adult (70 days) rats produced sustained sympathetic dener...

journal_title：Experimental neurology

authors： Smith PG

更新日期：1986-01-01 00:00:00

abstract：:Fifteen male mice (C57/Bl6J) were fed the liquid diet "Stardit" supplemented with vitamins together with phenytoin for 8 weeks; experimental animals and controls were pair-fed. After 8 weeks of treatment, the anesthetized animals were perfused with 3.5% glutaraldehyde. Tissue samples of the cerebral cortex (area 3), c...

journal_title：Experimental neurology

authors： Volk B,Kirchgässner N,Detmar M

更新日期：1986-01-01 00:00:00

abstract：:The effects of superior cervical ganglion stimulation and the local application of norepinephrine or its antagonist propranolol were studied in 18 pineal cells. In 61% of the pineal cells, stimulation elicited excitation; the same cells also responded by excitation to norepinephrine ejection. When stimulation and nore...

journal_title：Experimental neurology

authors： Reyes-Vazquez C,Dafny N

更新日期：1985-12-01 00:00:00

abstract：:One approach to repair of transected nerves is to attempt extrinsic guidance of axons across the gaps. We inserted the proximal and distal stumps of severed mouse sciatic nerves into opposite ends of biodegradable polyester tubes. The nerves and ensheathing tubes were examined after postoperative survival times of as ...

journal_title：Experimental neurology

authors： Henry EW,Chiu TH,Nyilas E,Brushart TM,Dikkes P,Sidman RL

更新日期：1985-12-01 00:00:00

abstract：:The anticonvulsant long-term efficacy of diazepam was studied in amygdala-kindled rats. The drug was administered three times daily at doses of 5 mg/kg i.p. for 2 weeks in fully kindled animals. The severity of the kindled seizures was markedly reduced throughout the period of treatment, while tolerance developed to t...

journal_title：Experimental neurology

authors： Löscher W,Schwark WS

更新日期：1985-11-01 00:00:00

abstract：:In previous studies on sensory axons we reported that the effect of a conditioning lesion on increasing regeneration rate was enhanced if the two lesions were superimposed, rather than made at separate sites on the nerve, and proposed that this was due to the growth of axons through nerve predegenerated by the conditi...

journal_title：Experimental neurology

authors： Bisby MA

更新日期：1985-11-01 00:00:00

abstract：:In chronically implanted rats, we examined the respiratory EMG activity of the two parts of the diaphragm, costal and crural, during sleep and wakefulness. Their activity was compared and contrasted with that of the EMG activity of the cricothyroid muscle. Whether in wakefulness, while grooming and drinking, or in non...

journal_title：Experimental neurology

authors： Pollard MJ,Megirian D,Sherrey JH

更新日期：1985-10-01 00:00:00

abstract：:Laser Doppler flowmetry was utilized to examine blood flow in sciatic nerves of barbiturate-anesthetized and of unanesthetized decerebrate rats, in response to hypotension induced by graded exsanguination or by graded clamping of the descending aorta. Continuous laser Doppler flowmetry signals decreased linearly with ...

journal_title：Experimental neurology

authors： Sundqvist T,Oberg PA,Rapoport SI

更新日期：1985-10-01 00:00:00

abstract：:The role of central noradrenergic neurons in kindled seizures was assessed by comparison of alpha 2- and beta-adrenoceptor binding in the cerebral cortex from kindled and control rats. To minimize handling, which may modify kindling-induced changes in binding, the kindling protocol involved stimulation of the amygdala...

journal_title：Experimental neurology

authors： Stanford SC,Jefferys JG

更新日期：1985-10-01 00:00:00

abstract：:Hydrocephalic mutant mice and matched siblings at different ages were used to measure the pressure and the resistance to drainage of the cerebrospinal fluid (CSF) from the lateral ventricles and from the cisterna magna with glass micropipets. The resting CSF pressure in normal mice increased between 1 to 2 and 4 to 8 ...

journal_title：Experimental neurology

authors： Jones HC

更新日期：1985-10-01 00:00:00

abstract：:We conducted a quantitative study of the trochlear motoneurons and the myotube clusters in the corresponding superior oblique muscle of the Japanese quail, before, during, and after the period of normally occurring motoneuron degeneration. A ratio of approximately 1:1 between myotube clusters and neurons was observed ...

journal_title：Experimental neurology

authors： Arumugam T,Sohal GS

更新日期：1985-10-01 00:00:00

abstract：:Explanation of the embryonic rat superior cervical ganglion initiated a retrograde response in noradrenergic neurons. By the 4th day of explanation, tyrosine hydroxylase activity per cell decreased to 62% of the day 0 control value. The rate of neurite outgrowth during the same period increased by 66%. By the 6th day ...

journal_title：Experimental neurology

authors： Cannella MS,Ross RA

更新日期：1985-10-01 00:00:00

abstract：:Muscle disuse-induced changes in the cholinergic system of sciatic nerve, slow-twitch soleus (SOL), and fast-twitch extensor digitorum longus (EDL) muscles were studied in rats. Rats with hind limbs suspended for 2 to 3 weeks showed marked elevation in the activity of choline acetyltransferase in sciatic nerve (38%), ...

journal_title：Experimental neurology

authors： Gupta RC,Misulis KE,Dettbarn WD

更新日期：1985-09-01 00:00:00

abstract：:To compare the evolution of cell body responses to two different types of axonal injuries--sciatic nerve crush (axotomy) and chronic 2,5-hexanedione-induced neuropathy--we studied rat lumbar dorsal root ganglion neurons with light microscopy and morphometry. Compared with control neurons, axotomized cells showed early...

journal_title：Experimental neurology

authors： Sterman AB,Delannoy MR

更新日期：1985-08-01 00:00:00

abstract：:Male white mice were exposed to electroshock and then injected intravenously with 5-[3H]uridine immediately after the shock. After 5, 30, or 60 min or 6, 12, or 24 h, the mice were killed, microautoradiographs were prepared, and grains were counted in the cortex, hippocampus, and basal ganglia. The results of the grai...

journal_title：Experimental neurology

authors： Pakkenberg H,Pakkenberg B,Fog R

更新日期：1985-07-01 00:00:00

abstract：:Mice genetically deficient in growth hormone were compared with normal littermates for evidence of altered neuronal development. In the lit/lit motor cortex, area 6 of Caviness, cell number, stratification of neurons, and the proportionate layer widths were identical to those of the controls (lit/+). Examined by the G...

journal_title：Experimental neurology

authors： Noguchi T,Sugisaki T

更新日期：1985-07-01 00:00:00

abstract：:Rats were treated with single subcutaneous injections of the irreversible AChE inhibitors, sarin (90 to 100 micrograms/kg) or soman (55 micrograms/kg), and with chronic doses of the reversible carbamate inhibitor, pyridostigmine. In surviving animals with severe behavioral symptoms, we examined the end-plate regions o...

journal_title：Experimental neurology

authors： Meshul CK,Boyne AF,Deshpande SS,Albuquerque EX

更新日期：1985-07-01 00:00:00

abstract：:In the present study homonymous and heteronymous projections of muscle spindle afferent fibers in the human jaw-closing system were investigated. Stretch reflex responses were elicited with percutaneous displacement stimuli applied to the belly of the anterior superficial divisions of temporalis and masseter muscles. ...

journal_title：Experimental neurology

authors： Smith A,Moore CA,Pratt CA

更新日期：1985-06-01 00:00:00

abstract：:The sciatic nerve of adult mice was transected and proximal and distal nerve stumps were sutured into a nontoxic bioresorbable nerve guide. Nerve guide lumens were either empty or filled with a gel containing 80% laminin and additional extracellular matrix components. Two weeks later cells in the L3 through L5 dorsal ...

journal_title：Experimental neurology

authors： Madison R,da Silva CF,Dikkes P,Chiu TH,Sidman RL

更新日期：1985-06-01 00:00:00

abstract：:Golgi and computer morphometric analysis of neuronal dendrites was done on four cases, one each of Tay-Sachs disease, infantile type 2 sialidosis, Hurler's syndrome, and Sanfilippo's syndrome. There were large meganeurites on pyramidal neurons in Tay-Sachs disease, and small ones in Hurler's and Sanfilippo's syndromes...

journal_title：Experimental neurology

authors： Takashima S,Becker LE,Chan FW,Augustin R

更新日期：1985-06-01 00:00:00