Abstract：
:A novel version of the 8-arm radial maze task was developed to quantify spatial learning and memory in rats subjected to transient cerebral ischemia (TCI) using the 4-VO model. This maze uses the rat's natural behavior of avoiding open, illuminated areas, and preference for a darkened, enclosed shelter. Ischemic rats were required to escape from the central area into the darkened goal box. Ischemia was induced before or after training to examine its influence on acquisition and retention of cognition, respectively. During the acquisition test, latency of ischemic rats to find the goal box, and working memory performance were significantly impaired (P < 0.005-0.001). The performance for retention of cognition was also disrupted by ischemia (P < 0.05-0.01). There was no correlation between the degree of CA1 pyramidal cell loss and behavioral deficits. The present data reveal that the aversive version of the 8-arm radial maze is sensitive to the cognitive effects of ischemia. Since it excludes the need for food deprivation or immersion of the animal in water, the method should provide a sensitive and more practical behavioral test with which to evaluate the effects of ischemic brain damage on cognition.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
Paganelli RA,Benetolli A,Lima KC,Cestari-Junior LA,Favero Filho LA,Milani Hdoi
10.1016/j.jneumeth.2003.08.012subject
Has Abstractpub_date
2004-01-15 00:00:00pages
9-18issue
1eissn
0165-0270issn
1872-678Xpii
S0165027003002772journal_volume
132pub_type
杂志文章abstract：BACKGROUND:Transcranial magnetic stimulation (TMS) can be paired with functional magnetic resonance imaging (fMRI) in concurrent TMS-fMRI experiments. These multimodal experiments enable causal probing of network architecture in the human brain which can complement alternative network mapping approaches. Critically, me...
journal_title：Journal of neuroscience methods
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更新日期：2019-11-01 00:00:00
abstract：:The concentration of free calcium within the lumen of the endoplasmic reticulum ([Ca2+]L) fluctuates between 100 and 1000 microM. High [Ca2+]L provides an electro-driving force for Ca2+ release and supports high Ca2+ diffusion rate within the endoplasmic reticulum lumen. Fluctuations in [Ca2+]L also regulate numerous ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章,评审
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更新日期：2002-12-31 00:00:00
abstract：:A double pipette system for local, controlled drug infusion is presented. Two concentric pipettes can be manipulated separately and pressurized independently by a designated double holder. The inner pipette is loaded with the desirable solution (drug), and functions as a source, while the outer one is a sink. This giv...
journal_title：Journal of neuroscience methods
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更新日期：2003-07-15 00:00:00
abstract：:Functional magnetic resonance imaging (FMRI) can provide detailed images of human brain that reflect localized changes in cerebral blood flow and oxygenation induced by sensory, motor, or cognitive tasks. This review presents methods for gradient-recalled echo-planar functional magnetic resonance imaging (FMRI). Also ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章,评审
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更新日期：1994-10-01 00:00:00
abstract：:Procedures are described for studying protein phosphorylation in 1 mm diameter micro-slices of rat brain tissue using two-dimensional electrophoresis as analytical tool. The activity of several protein phosphorylating systems, including a major system phosphorylating a 40 kDa substrate complex, was highly dependent on...
journal_title：Journal of neuroscience methods
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doi：10.1016/0165-0270(88)90030-1
更新日期：1988-05-01 00:00:00
abstract：:A sensitive procedure for simultaneous determination of in vivo rates of tryptophan hydroxylation and levels of serotonin (5-HT) in discrete rat brain nuclei is described. Rates of tryptophan hydroxylation are estimated by 5-hydroxytryptophan (5-HTP) accumulation following l-aromatic amino acid decarboxylase inhibitio...
journal_title：Journal of neuroscience methods
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abstract：BACKGROUND:Supervised machine learning has been proposed as a revolutionary approach for identifying sensitive medical image biomarkers (or combination of them) allowing for automatic diagnosis of individual subjects. The aim of this work was to assess the feasibility of a supervised machine learning algorithm for the ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2013.11.016
更新日期：2014-01-30 00:00:00
abstract：BACKGROUND:There is no method available to simultaneously detect GABA, Glu, Epi, NE, DA, 5-HT and 5-HIAA in mouse hippocampus. NEW METHOD:A rapid and sensitive LC-MS/MS method has been developed for simultaneously measuring seven neurotransmitters in mouse hippocampus. The analytes were detected in positive mode with ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2014.04.004
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journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2015.12.004
更新日期：2016-03-01 00:00:00
abstract：BACKGROUND:Functional magnetic resonance imaging (fMRI) is commonly used to infer hemodynamic changes in the brain after increased neural activity, measuring the blood oxygen level-dependent (BOLD) signal. An important challenge in the analyses of fMRI data is to develop methods that can accurately deconvolve the BOLD ...
journal_title：Journal of neuroscience methods
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更新日期：2018-10-01 00:00:00
abstract：:The minimal change in a stimulus property that is detectable by neurons has been often quantified using the receiver operating characteristic (ROC) curve, but recent studies introduced the use of the related Fisher information (FI). Whereas ROC analysis and FI quantify the information available for discriminating betw...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2007.11.005
更新日期：2008-04-30 00:00:00
abstract：BACKGROUND:No satisfactory neurophysiological test for nociceptive afferents is available to date. Laser stimuli present risks of skin damage, whilst electrical stimulation through specially designed electrodes is not selective enough. NEW METHOD:We present a new electrode designed according to critical issues identif...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2017.08.032
更新日期：2018-01-01 00:00:00
abstract：BACKGROUND:Cytokines are key signaling molecules within the immune system that regulate a host's response to pathogens and neuronal damage. Aberrant cytokine signaling has been implicated in many neurological diseases. Therefore, accurately measuring cytokine concentrations within the brain is crucial. NEW METHOD:This...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2020.108601
更新日期：2020-01-22 00:00:00
abstract：:The incidence of leptomeningeal carcinomatosis is on the rise and current treatment modalities have limited efficacy. The development of new treatment strategies has been hampered by the lack of an appropriate animal model that accurately parallels the clinical condition. We have developed a new surgical technique for...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/s0165-0270(98)00115-0
更新日期：1998-11-01 00:00:00
abstract：BACKGROUND:The brain generates signals in a wide frequency range (∼2840 Hz). Existing magnetoencephalography (MEG) methods typically detect brain activity in a median-frequency range (1-70 Hz). The objective of the present study was to develop a new method to utilize the frequency signatures for source imaging. NEW ME...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/j.jneumeth.2014.10.007
更新日期：2015-01-15 00:00:00
abstract：:This study demonstrated that liposome-mediated transfection - lipofection - is suitable for delivering genes into astrocytes. By repeatedly lipofecting the same astrocyte cultures, a process we call multi-lipofection, the transfection efficiency of the beta-galactosidase (beta-gal) gene was improved from 2.6+/-0.6 to ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/s0165-0270(00)00285-5
更新日期：2000-10-30 00:00:00
abstract：:The cost of electronic equipment can be a critical barrier to including neurophysiology exercises in biology teaching programs. We describe the construction of a simple and inexpensive AC preamplifier with performance comparable to that of commercial products. The amplifier consists of two integrated circuits in five ...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/s0165-0270(01)00328-4
更新日期：2001-03-30 00:00:00
abstract：:Principal components analysis (PCA) was used to define the linearly dependent factors underlying sensory information processing in the vibrissal sensory area of the ventral posterior medial (VPM) thalamus in eight awake rats. Ensembles of up to 23 single neurons were simultaneously recorded in this area, either during...
journal_title：Journal of neuroscience methods
pub_type： 杂志文章
doi：10.1016/s0165-0270(99)00130-2
更新日期：1999-12-15 00:00:00
abstract：:Alzheimer's disease (AD) is a progressive degenerative disorder of the brain characterized by a slow, progressive decline in cognitive function and behavior. As the disease advances, persons have a tough time with daily tasks like using the phone, cooking, handling money or driving the car. AD affects 15 million peopl...
journal_title：Journal of neuroscience methods
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doi：10.1016/j.jneumeth.2008.10.036
更新日期：2009-03-15 00:00:00
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abstract：:Unlike certain other brain areas, notably the hippocampal formation, synaptic transmission in the cerebellum, a 3-dimensional anatomical structure, is no ideally studied in a 2-dimensional slice preparation. We describe a method for cutting a cerebellar slice that incorporates two planes of section: one sagittal (in t...
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更新日期：1996-02-01 00:00:00
