نتایج جستجو برای: brain activity

تعداد نتایج: 1531326  

Journal: :journal of research in medical sciences 0
shahrokh makvand hosseini department of clinical psychology,faculty of psychology and educational sciences,semnan university siavash talepasand department of clinical psychology,faculty of psychology and educational sciences,semnan university iman bigdeli department of clinical psychology,faculty of psychology and educational sciences,semnan university

background : studies have emphasized on the frontal eeg  symmetry as a mediator of emotional states. this research was aimed to examine the overall and asymmetric activities of the brain lobes under the affective states. methods : a coupling eeg was recorded in an eye closed awakened condition from 40 right handed female students under the baseline and affective states. results : bilaterally de...

Journal: :iranian journal of public health 0
armin allahverdy amir homayoun jafari

background: noise pollution is one of the most harmful ambiance disturbances. it may cause many deficits in ability and activity of persons in the urban and industrial areas. it also may cause many kinds of psychopathies. therefore, it is very important to measure the risk of this pollution in different area. methods: this study was conducted in the department of medical physics and biomedical ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1387

چکیده ندارد.

Journal: :iranian journal of pharmaceutical research 0
aa moshtaghie m afrang m mesripour

the short and long term effects of chromium toxicity on brain catecholamines and acetylcholinesterase levels were investigated. rats were injected daily with varying amounts of chromium. the short term (2 h) administration of chromium (8 mmol/kg) reduced catecholamines level of cerebellum, mid-brain and brain-cortex by 22.8, 19.4 and 21.2% respectively. acetylcholinesterase activity was also re...

Background: An electroencephalogram (EEG) is an accepted method in neurophysiology with a wide application. Different types of brain rhythms indicate that simultaneous activity of the brain cortex neurons depend on the person’s mental state. Method: we have focus on reviewing the existing literature pertaining to changes of the brain’s bioelectrical activity that recorded from the ...

Journal: :فیض 0
سامره رضامحتشم samereh reza-mohtasham faculty of biochemistry, payame noor university (pnu), i. r. iran.کاشان، کیلومتر 5 بلوار قطب راوندی، بیمارستان شهید بهشتی حبیب الله ناظم habibollah nazem محمد فضیلتی mohammad fazilati

background: diabetes is considered as one of the most common chronic disease. studies show that diabetes decreases the activity of antioxidant enzymes. the purpose of this study was to examine the effect of the alcoholic extract of juglans regia leave on brain antioxidant enzymes in streptozotocin-induced diabetic rats. materials and methods: in this study, adult male wistar rats (n=40, weight ...

AA Moshtaghie M Afrang M Mesripour

The short and long term effects of chromium toxicity on brain catecholamines and acetylcholinesterase levels were investigated. Rats were injected daily with varying amounts of chromium. The short term (2 h) administration of chromium (8 mmol/kg) reduced catecholamines level of cerebellum, mid-brain and brain-cortex by 22.8, 19.4 and 21.2% respectively. Acetylcholinesterase activity was also re...

AA Moshtaghie M Afrang M Mesripour

The short and long term effects of chromium toxicity on brain catecholamines and acetylcholinesterase levels were investigated. Rats were injected daily with varying amounts of chromium. The short term (2 h) administration of chromium (8 mmol/kg) reduced catecholamines level of cerebellum, mid-brain and brain-cortex by 22.8, 19.4 and 21.2% respectively. Acetylcholinesterase activity was also re...

Journal: یافته 2008
d Qujeq , ramin Shikhpour , sohrab Halakhor ,

Halakhor S1, Qujeq D2, Shikhpour R3 1. Instructor, Department of Biochemistry and Biophysics, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran 2. Associate professor, Department of Biochemistry and Biophysics, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran 3. GP, Babol, Iran Abstract Background: Previous reports show that phosphorylation anddepho...

Journal: :basic and clinical neuroscience 0
mehdi behroozi mohammad reza daliri huseyin boyaci

functional magnetic resonance imaging (fmri) is a safe and non-invasive way to assess brain functions by using signal changes associated with brain activity. the technique has become a ubiquitous tool in basic, clinical and cognitive neuroscience. this method can measure little metabolism changes that occur in active part of the brain. we process the fmri data to be able to find the parts of br...

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