scholarly journals Bleaching of mouse rods: microspectrophotometry and suction-electrode recording

2012 ◽  
Vol 590 (10) ◽  
pp. 2353-2364 ◽  
Author(s):  
S. Nymark ◽  
R. Frederiksen ◽  
M. L. Woodruff ◽  
M. C. Cornwall ◽  
G. L. Fain
Keyword(s):  
Electrode Recording ◽  
Suction Electrode

Evaluation of Suction Electrode Recording

1976 ◽  
pp. 73-79 ◽  
Author(s):  
J. Cabasson ◽  
P. Puech
Keyword(s):  
Electrode Recording ◽  
Suction Electrode

Suction electrode recording in locus coeruleus of newborn rat brain slices reveals network bursting comprising summated non-synchronous spiking

2018 ◽  
Vol 671 ◽  
pp. 103-107 ◽  
Author(s):  
Vladimir Rancic ◽  
Bijal Rawal ◽  
Bogdan Panaitescu ◽  
Araya Ruangkittisakul ◽  
Klaus Ballanyi
Keyword(s):  
Locus Coeruleus ◽  
Rat Brain ◽  
Brain Slices ◽  
Newborn Rat ◽  
Electrode Recording ◽  
Suction Electrode

A novel suction electrode recording technique for monitoring circadian rhythms in single and multiunit discharge from brain slices

2006 ◽  
Vol 156 (1-2) ◽  
pp. 173-181 ◽  
Author(s):  
Timothy M. Brown ◽  
Jon R. Banks ◽  
Hugh D. Piggins
Keyword(s):  
Circadian Rhythms ◽  
Brain Slices ◽  
Recording Technique ◽  
Electrode Recording ◽  
Suction Electrode

scholarly journals Bleached pigment activates transduction in salamander cones.

1995 ◽  
Vol 106 (3) ◽  
pp. 543-557 ◽  
Author(s):  
M C Cornwall ◽  
H R Matthews ◽  
R K Crouch ◽  
G L Fain
Keyword(s):  
Guanylyl Cyclase ◽  
Time Course ◽  
Covalent Attachment ◽  
Ambystoma Tigrinum ◽  
Current Increase ◽  
Circulating Current ◽  
Electrode Recording ◽  
Back Ground ◽  
Suction Electrode ◽  
Partial Reversal

We have used suction electrode recording together with rapid steps into 0.5 mM IBMX solution to investigate changes in guanylyl cyclase velocity produced by pigment bleaching in isolated cones of the salamander Ambystoma tigrinum. Both backgrounds and bleaches accelerate the time course of current increase during steps into IBMX. We interpret this as evidence that the velocity of the guanylyl cyclase is increased in background light or after bleaching. Our results indicate that cyclase velocity increases nearly linearly with increasing percent pigment bleached but nonlinearly (and may saturate) with increasing back-ground intensity. In cones (as previously demonstrated for rods), light-activated pigment and bleached pigment appear to have somewhat different effects on the transduction cascade. The effect of bleaching on cyclase rate is maintained for at least 15-20 min after the light is removed, much longer than is required after a bleach for circulating current and sensitivity to stabilize in an isolated cone. The effect on the cyclase rate can be completely reversed by treatment with liposomes containing 11-cis retinal. The effects of bleaching can also be partially reversed by beta-ionone, an analogue of the chromophore 11-cis-retinal which does not form a covalent attachment to opsin. Perfusion of a bleached cone with beta-ionone produces a rapid increase in circulating current and sensitivity, which rapidly reverses when the beta-ionone is removed. Perfusion with beta-ionone also causes a partial reversal of the bleach-induced acceleration of cyclase velocity. We conclude that bleaching produces an "equivalent background" excitation of the transduction cascade in cones, perhaps by a mechanism similar to that in rods.

Spontaneous activity in Purkinje cells: Multi-electrode recording from organotypic cerebellar slice cultures

2008 ◽  
Vol 1218 ◽  
pp. 54-69 ◽  
Author(s):  
Markus Kessler ◽  
Bryant Kiliman ◽  
Carrie Humes ◽  
Amy C. Arai
Keyword(s):  
Spontaneous Activity ◽  
Purkinje Cells ◽  
Electrode Recording

Single-unit recordings of arterial chemoreceptors from mouse petrosal ganglia in vitro

2000 ◽  
Vol 88 (4) ◽  
pp. 1489-1495 ◽  
Author(s):  
David F. Donnelly ◽  
Ricardo Rigual
Keyword(s):  
Mouse Model ◽  
Carotid Body ◽  
Unit Activity ◽  
Action Potentials ◽  
Single Unit ◽  
Gene Deletions ◽  
Suction Electrode ◽  
Single Unit Recordings ◽  
Unit Action

A preparation was developed that allows for the recording of single-unit chemoreceptor activity from mouse carotid body in vitro. An anesthetized mouse was decapitated, and each carotid body was harvested, along with the sinus nerve, glossopharyngeal nerve, and petrosal ganglia. After exposure to collagenase/trypsin, the cleaned complex was transferred to a recording chamber where it was superfused with oxygenated saline. The ganglia was searched for evoked or spontaneous unit activity by using a glass suction electrode. Single-unit action potentials were 57 ± 10 (SE) ( n = 16) standard deviations above the recording noise, and spontaneous spikes were generated as a random process. Decreasing superfusate[Formula: see text] to near 20 Torr caused an increase in spiking activity from 1.3 ± 0.4 to 14.1 ± 1.9 Hz ( n = 16). The use of mice for chemoreceptor studies may be advantageous because targeted gene deletions are well developed in the mouse model and may be useful in addressing unresolved questions regarding the mechanism of chemotransduction.

Analysis of the his bundle catheter pacing technique to localize catheter electrode recording sites

1975 ◽  
Vol 35 (1) ◽  
pp. 176 ◽  
Author(s):  
Albert L. Waldo ◽  
Robert B. Karp
Keyword(s):  
His Bundle ◽  
Electrode Recording

scholarly journals Viral vectors for opto-electrode recording and photometry-based imaging of oxytocin neurons in anesthetized and socially interacting rats

2022 ◽  
Vol 3 (1) ◽  
pp. 101032
Author(s):  
Yan Tang ◽  
Diego Benusiglio ◽  
Arthur Lefevre ◽  
Stephanie Küppers ◽  
Olga Lapies ◽  
...  
Keyword(s):  
Viral Vectors ◽  
Electrode Recording

scholarly journals Endonasal endoscopic surgery for temporal lobe epilepsy associated with sphenoidal encephalocele

2021 ◽  
Vol 12 ◽  
pp. 379
Author(s):  
Nobutaka Mukae ◽  
Daisuke Kuga ◽  
Daisuke Murakami ◽  
Noritaka Komune ◽  
Yusuke Miyamoto ◽  
...  
Keyword(s):  
Temporal Lobe Epilepsy ◽  
Temporal Lobe ◽  
Temporal Region ◽  
Endoscopic Endonasal ◽  
Sphenoidal Sinus ◽  
High Frequency Oscillations ◽  
Depth Electrode ◽  
Electrode Recording ◽  
Subdural Electrode

Background: Temporal lobe epilepsy (TLE) associated with temporal lobe encephalocele is rare, and the precise epileptogenic mechanisms and surgical strategies for such cases are still unknown. Although the previous studies have reported good seizure outcomes following chronic subdural electrode recording through invasive craniotomy, only few studies have reported successful epilepsy surgery through endoscopic endonasal lesionectomy. Case Description: An 18-year-old man developed generalized convulsions at the age of 15 years. Despite treatment with optimal doses of antiepileptic drugs, episodes of speech and reading difficulties were observed 2–3 times per week. Long-term video electroencephalogram (EEG) revealed ictal activities starting from the left anterior temporal region. Magnetic resonance imaging revealed a temporal lobe encephalocele in the left lateral fossa of the sphenoidal sinus (sphenoidal encephalocele). Through the endoscopic endonasal approach, the tip of the encephalocele was exposed. A depth electrode was inserted into the encephalocele, which showed frequent spikes superimposed with high-frequency oscillations (HFOs) suggesting intrinsic epileptogenicity. The encephalocele was resected 8 mm from the tip. Twelve months postoperatively, the patient had no recurrence of seizures on tapering of the medication. Conclusion: TLE associated with sphenoidal encephalocele could be controlled with endoscopic endonasal lesionectomy, after confirming the high epileptogenicity with analysis of HFOs of intraoperative EEG recorded using an intralesional depth electrode.

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