نتایج جستجو برای: ptz

تعداد نتایج: 1261  

2011
Sang Gu Lee

In this paper, we implement a real-time surveillance system for image object tracking using PTZ (Pan-Tilt-Zoom) cameras. For this, we use the mean shift tracking algorithm based on the color image distribution of detected object. Mean shift algorithm is efficient for real-time tracking because of its fast and stable performance. In this system, OpenCV environment is used for image processing an...

2003
S. Kang

An integrated system for automatic detection, handover and tracking of an intruder using one fixed camera and one Pan/Tilt/Zoom(PTZ) camera is presented. This system includes automatic detection using an overhead static camera of an intruder who walks into a crowded secure area, intruder handover from the static to the nearest PTZ camera, and tracking using the PTZ camera. The intruder is detec...

2014
M.R. Palizvan E. Ghaznavi-Rad

The role of opioid receptor and voltage dependent calcium channels on the kindling induced by the convulsant pentylenetetrazole (PTZ) were investigated in the rats. Experiment involved 24 rats which were divided into four groups. Kindling was established with PTZ in subconvulsive dose (37.5 mg/kg i.p.) every 48 h and effects were observed within 20 min using five-point scoring system. All anima...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2016
J Fleck F R Temp J R Marafiga A C Jesse L H Milanesi L M Rambo C F Mello

Cysteinyl leukotrienes (CysLTs) have been implicated in seizures and kindling; however, the effect of CysLT receptor antagonists on seizure frequency in kindled animals and changes in CysLT receptor expression after pentylenetetrazol (PTZ)-induced kindling have not been investigated. In this study, we evaluated whether the CysLT1 inverse agonist montelukast, and a classical anticonvulsant, phen...

Journal: :Indian journal of physiology and pharmacology 2006
R Shitak A K Sahai D Hota A Chakrabarti

The present study aimed at establishing two models of experimental seizures by combination treatment with subconvulsive doses of PTZ and kainic acid in adult male mice and evaluating the modulatory role of cerebroselective dihydropyridine calcium channel blocker, nimodipine. The CD50 +/- SEM value for PTZ was found to be 20.00 +/- 0.92 mg/kg, ip in kainic acid (administered at per se subconvuls...

Journal: :Pharmacological reports : PR 2006
Jarogniew J Luszczki Marek Zuchora Katarzyna M Sawicka Justyna Kozińska Stanisław J Czuczwar

This study examines the effect of acute administration of caffeine sodium benzoate (CAF) on the anticonvulsant action of four conventional antiepileptic drugs (AEDs: clonazepam - CZP, ethosuximide - ETS, phenobarbital - PB and valproate - VPA) against pentetrazole (PTZ)-induced clonic seizures in mice. The results indicate that CAF at a dose of 92.4 mg/kg significantly reduced the threshold for...

Journal: :The European Research Journal 2021

Objectives: This study aimed to investigate the effects of prenatal stress (PS) on hippocampus early acute pentylenetetrazole (PTZ)-kindled offspring in adolescence. Recognition memory, morphological changes and synaptophysin levels were evaluated. Methods: Restraint was induced a group pregnant dams non-stressed (NA) remained undisturbed. Next, male female divided as 1. PS-PTZ, 2. PS -control,...

Journal: :The Journal of pharmacology and experimental therapeutics 1998
M Beekman J T Ungard M Gasior R B Carter D Dijkstra S R Goldberg J M Witkin

Neuroactive steroids are naturally occurring or synthetically derived compounds many of which have anticonvulsant, anesthetic, anxiolytic, analgesic or hypnotic properties. The major site of neuronal activity appears to be with a specific steroid-sensitive site on the gamma-aminobutyric acidA receptor/chloride ionophore complex. Ganaxolone (3 alpha-hydroxy-3 beta-methyl-5 alpha-pregnan-20-one) ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1390

هر موش صحرایی نر ویستار mg/kg 45 ptz را بصورت داخل صفاقی تا 13 تزریق دریافت کرد. از لیدوکائین به منظور غیرفعال سازی lh استفاده شد و رفتارهای تشنجی به عنوان شاخص کیندلینگ هیپوکمپ ارزیابی شدند. محتوای گلوتامات با کیت سنجش گلوتامات اندازه گیری شد. مغزهای فیکس شده برش داده شدند و با کرزیل ویوله رنگ آمیزی شدند تا تغییرات بافتی مشاهده شود. تزریقات ptz باعث کیندلینگ و کاهش محتوای گلوتامات می شود در حا...

Journal: :Arquivos de neuro-psiquiatria 2011
Luziene Dalmaschio Biasutti de Oliveira Roney Welinton Dias de Oliveira Henrique de Azevedo Futuro Neto Ester Miyuki Nakamura-Palacios

Magnesium sulfate (MgSO₄) has been used to prevent seizures in eclampsia. This study examined the central effects of MgSO₄ on different types of pentylenetetrazole (PTZ)-induced seizures. Male Wistar rats were submitted to intracerebroventricular (ICV) administration of MgSO₄ at different doses followed by intraperitoneal administration of PTZ. The latency to the onset of the first seizure indu...

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