نتایج جستجو برای: stress frequency

تعداد نتایج: 910340  

Journal: :Memory & cognition 2014
Cristina Burani Despina Paizi Simone Sulpizio

Stress assignment to polysyllabic words is the only aspect of the pronunciation of written Italian that cannot be predicted by rule. It could be a function of stress dominance in the language or of stress neighborhood (i.e., the number of words sharing an ending and a stress pattern). In two experiments, we investigated stress assignment in Italian adult and, most importantly, young readers. Wo...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2009
David A Low Jonathan E Wingo David M Keller Scott L Davis Jian Cui Rong Zhang Craig G Crandall

This study tested the hypothesis that passive heating impairs cerebral autoregulation. Transfer function analyses of resting arterial blood pressure and middle cerebral artery blood velocity (MCA V(mean)), as well as MCA V(mean) and blood pressure responses to rapid deflation of previously inflated thigh cuffs, were examined in nine healthy subjects under normothermic and passive heat stress (i...

2001
Goksen G. Yaralioglu Arif S. Ergun Baris Bayram Theodore Marentis B. T. Khuri-Yakub Edward L. Ginzton

AbstmctMembranes supported by posts are used as vibrating elements of capacitive micromachined ultrasonic transducers (CMUTs). The residual stress built up during the fabrication process determines the transducer properties such as resonance frequency, collapse voltage, and gap distance. Hence, it is important t o evaluate and control the stress in thin film CMUT membranes. The residual stress ...

Journal: :Psychoneuroendocrinology 2014
Nikki T Sawyer Ligia A Papale Jessica Eliason Gretchen N Neigh Andrew Escayg

Stress is known to trigger seizures in patients with epilepsy, highlighting the physiological stress response as a possible therapeutic target for epilepsy treatment. Nevertheless, little is currently known about how a genetic predisposition to epilepsy interacts with the stress response to influence seizure outcome. To address this question, we examined the effect of acute stress on seizure ou...

Introduction: Glucose-6-phosphate dehydrogenase deficiency is the most common enzyme disorder. This enzyme involved in maintaining the balance of active oxygen species and its defect causes oxidative damage. PON1 is an HDL-based glycosylated protein that prevents lipid peroxidation. In this study, the prevalence of PON L55M polymorphism in paraoxonase enzyme in neonates with a deficiency in G6P...

Journal: :Neuroscience research 2004
Jun Cao Nanhui Chen Tianle Xu Lin Xu

Long-term potentiation (LTP) and long-term depression (LTD) of the excitatory synaptic inputs plasticity in the hippocampus is believed to underlie certain types of learning and memory. Especially, stressful experiences, well known to produce long-lasting strong memories of the event themselves, enable LTD by low frequency stimulation (LFS, 3 Hz) but block LTP induction by high frequency stimul...

B. Babakhani, H. Rahami,

Pre-stress techniques tend to increase cross-sectional capacity and optimize design. Such features have made these techniques rather popular. Over time, these structures tend to fail, and the reduction of pre-stress force over the lifetime of the structure is said to be one of the most significant destructive factors in these structures. This decrease in force occurs due to various reasons. In ...

Journal: :Psychoneuroendocrinology 2014
Katja Petrowski Gloria-Beatrice Wintermann Peter Joraschky Sebastian Päßler

BACKGROUND Psychosocial stress is accompanied by an increase in the activity of the hypothalamic-pituitary-adrenocortical (HPA)-axis and by an increase in food intake. At present, no studies have been conducted to examine the impact of a potent laboratory stress test on the chewing frequency. METHODS Thirty-one healthy participants (14 females, mean age 27.13) were compared after they had ful...

2017
Bernard M. Lawless Hamid Sadeghi Duncan K. Temple Hemeth Dhaliwal Daniel M. Espino David W.L. Hukins

The aim of this study was to determine the effect of the induced stress and restraint provided by the underlying bone on the frequency-dependent storage and loss stiffness (for bone restraint) or modulus (for induced stress) of articular cartilage, which characterise its viscoelasticity. Dynamic mechanical analysis has been used to determine the frequency-dependent viscoelastic properties of bo...

آقاجانی, مهسا, برات, شهناز, جوادیان, یحیی, طالبی, قدمعلی,

Background and purpose: Urinary incontinence is one of the most common problems in women. The aim of this study was to investigate the frequency of different types of urinary incontinence in women who referred to pelvic floor disorders clinic. Materials and methods: In a descriptive cross-sectional study 200 women with symptoms of urinary incontinence were evaluated from all patients who were ...

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