نتایج جستجو برای: electrical stimulation

تعداد نتایج: 421460  

LV MOSTAAN, M POURSADEGH,

The objective of this study was to describe the role of electrical stimulation in controlling peripheral vertigo. In a prospective study on 13 healthy volunteers, nystagmus was induced with caloric stimulation and the interval of nystagmus disappearance was recorded. This time indicates the basal response of vestibular end-organ. After caloric irrigation, pulsed signal was applied for each...

خادمی, شادی, پالیزوان, محمد رضا,

Background and purpose: Kindling is an animal model of epilepsy induced by repeated stimulation of the brain. The amygdala has been the focus of interest due to large part to its role in epilepsy induction and in fear conditioning in both human and rats. The purpose of the present study was to evaluate whether low electrical stimulation of foot pad of rats during fear can facilitate amygdala...

Alireza Salmani-Qahyazi, Fatemeh Mokhtari, Jalil Modaresi, Mohammad Afkhami-Ardekani, Mohammad Hosein Amirzade-Iranaq,

Objective: Diabetic patients suffer from different types of complications associated with peripheral nerves. A clear manifestation of these complications is found in the mouth where neuropathies commonly occur. The measurement of electrical stimulation threshold of teeth signifies premature involvement of peripheral nerves in the teeth. The aim of present study is to compare pulp tester respons...

Introduction: Electrical stimulation has been used for many years in rehabilitation medicine to prevent atrophy or to increase muscle strength, but the use of electrical stimulation for muscle strengthening in research and clinical practice has become increasingly popular in recent years. The quadriceps femoris is the thigh muscle group that suffers the greatest amount of atrophy. This study ai...

AA Taherian AA Vafaei H Sadeghi M Emami-Abargoei

Previous studies indicate that Matricaria chamomilla (MC), a folk remedy plant, is very useful in the treatment of spasmogenic bowel diseases but the way of its action is not clear. For this purpose, we studied the effect of MC extract on the electrically activation in Guinea-Pig ileum in an invitro model. We used guinea pig in this study. After of kill, we brouhght out a piece of ileum and fix...

Journal: :acta medica iranica 0
s. m. mirzamani a. safari s. k. jena m. t. hollisaz m. safara

patients afflicted with chronic pain have both physical and psychological problems. this research investigated the impact of the psychological factors in the treatment results of transcutaneous electrical nerve stimulation (tens) in the patients afflicted with chronic diseases. the subjects were 37 individuals (20 males and 17 females) with the mean age of 46 who had referred to two centers of ...

  The paragigantocellularis (PGi) nucleus constitutes a large portion of the ventral pontomedullary reticular formation. Neurons within the PGi have been implicated in a variety of functions including cardiovascular regulation, respiratory control, pain and analgesia. Investigators have demonstrated that electrical stimulation and microinjection of L-glutamate into the PGi produce antinocicepti...

Journal: :iranian red crescent medical journal 0
davood moshkani farahani behavioral sciences research center, baqiyatallah university of medical sciences, teheran, ir iran; behavioral sciences research center, baqiyatallah university of medical sciences, teheran, ir iran. tel: +98-2144813175, fax: +98-2144813175 seyed abbas tavallaie behavioral sciences research center, baqiyatallah university of medical sciences, teheran, ir iran khodabakhsh ahmadi behavioral sciences research center, baqiyatallah university of medical sciences, teheran, ir iran ali fathi ashtiani behavioral sciences research center, baqiyatallah university of medical sciences, teheran, ir iran

background headache is one of the most prevalent investigated complaints in the neurology clinics and is the most common pain-related complaint worldwide. stress is a significant factor that causes and triggers headaches. since healthcare practitioners experience a lot of stress in their careers, they are more prone to headaches. objectives this study was designed to evaluate and compares the e...

Journal: :journal of biomedical physics and engineering 0
n. hesam shariati biomedical engineering faculty, amirkabir university of technology, tehran, iran. a. maleki electrical and computer engineering faculty, semnan university, semnan, iran. a. fallah biomedical engineering faculty, amirkabir university of technology, tehran, iran.

background: functional electrical stimulation (fes) is the most commonly used system for restoring functions after spinal cord injury (sci). objective: in this study we investigated feedback pid and feedforward-feedback p-pid controllers for regulating the elbow joint angle. methods: the controllers were tuned based on a nonlinear muculoskeletal model containing two links, one joint with one de...

Journal: :physiology and pharmacology 0
vahid sheibani akerman neuroscience research center, kerman university of medical sciences, kerman, iran sahel motaghi rasool farazifard hossein joneidi mohammad reza afarinesh

introduction: it is believed that locus coeruleus (lc) influences the sensory information processing. however, its role in cortical surround inhibitory mechanism is not understood. in this experiment, using controlled mechanical displacement of whiskers we investigated the effect of phasic electrical stimulation of lc on response of layer v barrel cortical neurons in anesthetized rat. methods: ...

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