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Basic and Clinical Neuroscience

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https://www.readbyqxmd.com/read/28446954/comment-on-the-effect-of-endocannabinoid-system-on-rat-behavior
#1
COMMENT
Ali Roohbakhsh
No abstract text is available yet for this article.
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446953/neuroprotective-effects-of-exercise-on-brain-edema-and-neurological-movement-disorders-following-the-cerebral-ischemia-and-reperfusion-in-rats
#2
Nabi Shamsaei, Soheila Erfani, Masoud Fereidoni, Ali Shahbazi
INTRODUCTION: Cerebral ischemia and reperfusion causes physiological and biochemical changes in the neuronal cells that will eventually lead to cell damage. Evidence indicates that exercise reduces the ischemia and reperfusion-induced brain damages in animal models of stroke. In the present study, the effect of exercise preconditioning on brain edema and neurological movement disorders following the cerebral ischemia and reperfusion in rats was investigated. METHODS: Twenty-one adult male wistar rats (weighing 260-300 g) were randomly divided into three groups: sham operated, exercise plus ischemia, and ischemia group (7 rats per group)...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446952/the-effect-of-group-based-occupational-therapy-on-performance-and-satisfaction-of-stroke-survivors-pilot-trail-neuro-occupational-view
#3
Maryam Mehdizadeh, Afsoon Hassani Mehraban, Roohollah Zahediyannasab
INTRODUCTION: Stroke imposes limitations on performing activities of daily living (ADL) and their level. Different therapeutic approaches are used for improving the level of performance after a stroke. This study was performed with the aim of evaluating the effect of group-based occupational therapy on improving the performance of ADL and satisfaction of its performance in patients with chronic strokes. METHODS: Fourteen chronic stroke patients with the mean age of 52 years participated in the study...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446951/power-spectral-density-analysis-of-purkinje-cell-tonic-and-burst-firing-patterns-from-a-rat-model-of-ataxia-and-riluzole-treated
#4
Samira Abbasi, Ataollah Abbasi, Yashar Sarbaz, Mahyar Janahmadi
INTRODUCTION: Purkinje Cell (PC) output displays a complex firing pattern consisting of high frequency sodium spikes and low frequency calcium spikes, and disruption in this firing behavior may contribute to cerebellar ataxia. Riluzole, neuroprotective agent, has been demonstrated to have neuroprotective effects in cerebellar ataxia. Here, the spectral analysis of PCs firing in control, 3-acetylpyridine (3-AP), neurotoxin agent, treated alone and riluzole plus 3-AP treated were investigated to determine changes in the firing properties...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446950/analgesic-effect-of-17%C3%AE-estradiol-on-nucleus-paragigantocellularis-lateralis-of-male-rats-mediated-via-gabaa-receptors
#5
Roghaieh Khakpay, Maryam Azaddar, Fatemeh Khakpay, Homeira Hatami Nemati
INTRODUCTION: Beside its autonomic functions, the nucleus paragigantocellularis lateralis (LPGi) is involved in the descending pain modulation. 17β-Estradiol is a neuroactive steroid found in several brain areas such as LPGi. Intra-LPGi microinjection of 17β-estradiol can elicit the analgesic responses. 17β-Estradiol modulates nociception by binding to estrogenic receptors as well as allosteric interaction with other membrane-bound receptors like GABAA receptors. This study aimed to examine the role of GABAA receptors in the pain modulating effect of intra-LPGi injection of 17β-estradiol...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446949/reliability-of-motor-evoked-potentials-induced-by-transcranial-magnetic-stimulation-the-effects-of-initial-motor-evoked-potentials-removal
#6
Fahimeh Hashemirad, Maryam Zoghi, Paul B Fitzgerald, Shapour Jaberzadeh
INTRODUCTION: Transcranial magnetic stimulation (TMS) is a useful tool for assessment of corticospinal excitability (CSE) changes in both healthy individuals and patients with brain disorders. The usefulness of TMS-elicited motor evoked potentials (MEPs) for the assessment of CSE in a clinical context depends on their intra-and inter-session reliability. This study aimed to evaluate if removal of initial MEPs elicited by using two types of TMS techniques influences the reliability scores and whether this effect is different in blocks with variable number of MEPs...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446948/characterization-of-nociceptive-behaviors-induced-by-formalin-in-the-glabrous-and-hairy-skin-of-rats
#7
Elaheh Erami, Hassan Azhdari-Zarmehri, Keiji Imoto, Hidemasa Furue
INTRODUCTION: Glabrous skin and hairy skin are innervated by different types of noxious fibers. However, the different nociceptive behaviors induced by formalin, a commonly used model of acute inflammatory pain, have not yet been systematically examined in the glabrous and hairy skin. METHODS: In this study, we compared nociceptive behaviors induced by formalin injections (2%, 4%, and 8%) into either glabrous skin (plantar surface) of the hind paw or hairy skin of the hind limb in adult rats...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446947/event-related-potentials-of-bottom-up-and-top-down-processing-of-emotional-faces
#8
Afsane Moradi, Seyed Abolghasem Mehrinejad, Mohammad Ghadiri, Farzin Rezaei
INTRODUCTION: Emotional stimulus is processed automatically in a bottom-up way or can be processed voluntarily in a top-down way. Imaging studies have indicated that bottom-up and top-down processing are mediated through different neural systems. However, temporal differentiation of top-down versus bottom-up processing of facial emotional expressions has remained to be clarified. The present study aimed to explore the time course of these processes as indexed by the emotion-specific P100 and late positive potential (LPP) event-related potential (ERP) components in a group of healthy women...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446946/neural-imaging-using-single-photon-avalanche-diodes
#9
Mohammad Azim Karami, Misagh Ansarian
INTRODUCTION: This paper analyses the ability of single-photon avalanche diodes (SPADs) for neural imaging. The current trend in the production of SPADs moves toward the minimum dark count rate (DCR) and maximum photon detection probability (PDP). Moreover, the jitter response which is the main measurement characteristic for the timing uncertainty is progressing. METHODS: The neural imaging process using SPADs can be performed by means of florescence lifetime imaging (FLIM), time correlated single-photon counting (TCSPC), positron emission tomography (PET), and single-photon emission computed tomography (SPECT)...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446945/diffusion-tensor-imaging-for-glioma-grading-analysis-of-fiber-density-index
#10
Fariba Davanian, Fariborz Faeghi, Sohrab Shahzadi, Zahra Farshifar
INTRODUCTION: The most common primary tumors of brain are gliomas and tumor grading is essential for designing proper treatment strategies. The gold standard choice to determine grade of glial tumor is biopsy which is an invasive method. The purpose of this study was to investigate the role of fiber density index (FDi) by means of diffusion tensor imaging (DTI) (as a noninvasive method) in glial tumor grading. METHODS: A group of 20 patients with histologically confirmed diagnosis of gliomas were evaluated in this study...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446944/protective-effects-of-proline-rich-peptide-in-a-rat-model-of-alzheimer-disease-an-electrophysiological-study
#11
Naser Khalaji, John Sarkissian, Vergine Chavushyan, Vaghinak Sarkisian
INTRODUCTION: Alzheimer disease (AD) is the most common form of dementia in the elderly that slowly destroys memory and cognitive functions. The disease has no cure and leads to significant structural and functional brain abnormalities. To facilitate the treatment of this disease, we aimed to investigate proline-rich peptide (PRP-1) action of hypothalamus on hippocampal (HP) neurons and dynamics of their recovery, after intracerebroventricular (ICV) injection of amyloid-β (Aβ). METHODS: Experiments were carried out on 24 adult, male Albino rats (average weight: 230±30 g)...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872697/co-occurrence-of-pituitary-adenoma-with-suprasellar-and-olfactory-groove-meningiomas
#12
Kai-Zheong Lim, Tony Goldschlager, Ronil V Chandra, Jonathan Hall, Brent Uren, Michael Pullar
INTRODUCTION: The co-existence of pituitary adenoma and meningioma is extremely rare. It is even rarer in patients with no previous known risk factors for either tumour. Here, we present a case of synchronous non-functioning pituitary adenoma with suprasellar and olfactory groove meningiomas in a patient without previous irradiation. METHODS: The tumours were diagnosed on MRI in the 65-year-old patient who presented with patchy visual deficits. The decision was made to undergo surgery for resection of the suprasellar meningioma and the pituitary adenoma, leaving the small olfactory groove meningioma intact...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872696/incidence-and-clinical-outcome-of-patients-with-hypertensive-acute-ischemic-stroke-an-update-from-tertiary-care-center-of-central-india
#13
Amit R Nayak, Seema D Shekhawat, Neha H Lande, Anuja P Kawle, Dinesh P Kabra, Nitin H Chandak, Shweta R Badar, Dhananjay V Raje, Hatim F Daginawala, Lokendra R Singh, Rajpal S Kashyap
INTRODUCTION: We evaluated the incidence and clinical outcome of patients with hypertensive acute ischemic stroke (AIS) admitted to a tertiary care center in Central India. In addition, we examined the status of stroke biomarkers namely neuron-specific enolase (NSE), glial specific protein (S-100ββ), and inter-α-trypsin inhibitor heavy chain 4(ITIH4) in the serum of patients suffering from AIS with hypertension (HTN) and without HTN. METHODS: A total of 104 patients with AIS were enrolled for the study...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872695/reduction-of-the-morphine-maintenance-by-blockade-of-the-nmda-receptors-during-extinction-period-in-conditioned-place-preference-paradigm-of-rats
#14
Ali Siahposht-Khachaki, Zahra Fatahi, Abbas Haghparast
INTRODUCTION: Activation of N-methyl-d-aspartate (NMDA) glutamate receptors in the nucleus accumbens is a component of drug-induced reward mechanism. In addition, NMDA receptors play a major role in brain reward system and activation of these receptors can change firing pattern of dopamine neurons. Blockade of glutamatergic neurotransmission reduces the expression of conditioned place preference (CPP) induced by morphine. Therefore, in this study, by using an NMDA receptor antagonist, DL-2-Amino-5-phosphonopentanoic acid sodium salt (AP5), the role of NMDA receptors on the maintenance and reinstatement of morphine-CPP was investigated...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872694/long-term-treatment-by-vitamin-b1-and-reduction-of-serum-proinflammatory-cytokines-hyperalgesia-and-paw-edema-in-adjuvant-induced-arthritis
#15
Jalal Zaringhalam, Akhtar Akbari, Alireza Zali, Homa Manaheji, Vida Nazemian, Mahdi Shadnoush, Somayeh Ezzatpanah
INTRODUCTION: Immune system is involved in the etiology and pathophysiology of inflammation and vitamins are important sources of substances inducing nonspecific immunomodulatory effects. Given the proinflammatory role of cytokines in the inflammation and pain induction, this study aimed to assess the effects of long-term administration of vitamin B1 on the proinflammatory cytokines, edema, and hyperalgesia during the acute and chronic phases of adjuvant-induced arthritis. METHODS: On the first day of study, inflammation was induced by intraplantar injection of complete Freund's adjuvant (CFA) in the hindpaws of rats...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872693/obsessive-compulsive-disorder-in-hospitalized-patients-with-schizophrenia
#16
Mercedeh Samiei, Koorosh Hedayati, Arash Mirabzadeh Ardekani, Behrooz Dolatshahi, Reza Daneshmand, Roya Samadi
INTRODUCTION: Comorbid obsessive-compulsive disorder (OCD) has been reported among patients with schizophrenia in other countries. But, the literature is not well-documented on this issue in Iran (Persia). The present study aimed to investigate the prevalence and severity of OCD and some of its related factors in a group of patients with schizophrenia in Iran. METHODS: This is a cross-sectional study. A total of 150 hospitalized patients with schizophrenia were recruited at Razi Psychiatric Hospital in Tehran, Iran...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872692/protective-effects-of-vitamin-e-consumption-against-3mt-electromagnetic-field-effects-on-oxidative-parameters-in-substantia-nigra-in-rats
#17
Ahmad Ali Ghanbari, Kobra Shabani, Daryoush Mohammad Nejad
INTRODUCTION: Electromagnetic fields (EMFs) can influence the biological system by the formation of free radicals in cells. The EMFs are able to deteriorate defense system against free radicals that leads to oxidative stress (OS). Lipid peroxidation process (LPO) is an index of oxidative stress, and the Malandialdehyde (MDA) is the final product of LPO. Vitamin E is the most important antioxidant which inhibits the LPO process. The aim of this study was to evaluate the effects of 3MT EMF exposure on oxidative stress parameters in substantia nigra and the role of vitamin E in reducing oxidative stress and preventing of LPO process...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872691/locally-estimated-hemodynamic-response-function-and-activation-detection-sensitivity-in-heroin-cue-reactivity-study
#18
Somayeh Maleki-Balajoo, Gholam-Ali Hossein-Zadeh, Hamid Soltanian-Zadeh, Hamed Ekhtiari
INTRODUCTION: A fixed hemodynamic response function (HRF) is commonly used for functional magnetic resonance imaging (fMRI) analysis. However, HRF may vary from region to region and subject to subject. We investigated the effect of locally estimated HRF (in functionally homogenous parcels) on activation detection sensitivity in a heroin cue reactivity study. METHODS: We proposed a novel exploratory method for brain parcellation based on a probabilistic model to segregate the brain into spatially connected and functionally homogeneous components...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872690/the-effects-of-kainic-acid-induced-seizure-on-gene-expression-of-brain-neurotransmitter-receptors-in-mice-using-rt-2-pcr-array
#19
Taghi Naserpour Farivar, Marjan Nassiri-Asl, Pouran Johari, Reza Najafipour, Farid Hajiali
INTRODUCTION: Kainic acid (KA) induces neuropathological changes in specific regions of the mouse hippocampus comparable to changes seen in patients with chronic temporal lobe epilepsy (TLE). According to different studies, the expression of a number of genes are altered in the adult rat hippocampus after status epilepticus (SE) induced by KA. This study aimed to quantitatively evaluate changes in the gene expression of brain neurotransmitter receptors one week after administration of kainic acid in the mouse hippocampus...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27872689/role-of-nitric-oxide-on-dopamine-release-and-morphine-dependency
#20
REVIEW
Amir Arash Motahari, Hedayat Sahraei, Gholam Hossein Meftahi
The catastrophic effects of opioids use on public health and the economy are documented clearly in numerous studies. Repeated morphine administration can lead to either a decrease (tolerance) or an increase (sensitization) in its behavioral and rewarding effects. Morphine-induced sensitization is a major problem and plays an important role in abuse of the opioid drugs. Studies reported that morphine may exert its effects by the release of nitric oxide (NO). NO is a potent neuromodulator, which is produced by nitric oxide synthase (NOS)...
October 2016: Basic and Clinical Neuroscience
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