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JoVE Science Education

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Neurosciences: The scientific disciplines concerned with the embryology, anatomy, physiology, biochemistry, pharmacology, etc., of the nervous system.
 JoVE Neuroscience

Rodent Stereotaxic Surgery and Animal Welfare Outcome Improvements for Behavioral Neuroscience

1Department of Neuroscience, Section Anatomy, University Medical Center Groningen, University of Groningen, 2Animal Welfare Office, University of Groningen


JoVE 3528

Stereotaxic surgery on rodents allows for targeted administration of drugs or electrical stimulation and recordings in awake, behaving animals. In this video presentation we will demonstrate recent procedural refinements to this long-standing procedure that successfully improved survival rate and reduced post-surgical weight loss.

 JoVE Editorial

April 2014: This Month in JoVE - Bioengineering for ACL Tears, Neuroscience behind Insect Locomotion, Improved Genetic Engineering of Crops, and Synthesizing Secret Ink

1Department of Ophthalmology, Massachusetts Eye and Ear, 2JoVE Content Production


JoVE 5323

Here's a look at what's coming up in the April 2014 issue of JoVE.

 JoVE Neuroscience

High Density Event-related Potential Data Acquisition in Cognitive Neuroscience

1Department of Psychology, Boston College


JoVE 1945

Event-related potential (ERP) recording is under utilized in Cognitive Neuroscience because data acquisition techniques are not readily available and this method often has poor spatial resolution. To foster the increased use of ERPs in Cognitive Neuroscience, the present article details key techniques involved in high density ERP data acquisition.

 JoVE Behavior

Cortical Source Analysis of High-Density EEG Recordings in Children

1Cognitive Neuroscience & Neuropsychiatry Section, UCL Institute of Child Health, 2Academic Division of Neonatology, Institute for Women's Health, University College London


JoVE 51705

In recent years, there has been increasing interest in estimating the cortical sources of scalp measured electrical activity for cognitive neuroscience experiments. This article describes how high density EEG is acquired and how recordings are processed for cortical source estimation in children from the age of 2 years at the London Baby Lab.

 JoVE Neuroscience

Simultaneous Long-term Recordings at Two Neuronal Processing Stages in Behaving Honeybees

1Department of Behavioral Physiology and Sociobiology (Zoology II) Biozentrum, University of Würzburg


JoVE 51750

Simultaneous extracellular long term recordings from two different brain neuropiles or two different anatomical tracts were established in honeybees. These recordings allow the investigation of temporal aspects of neuronal processing across different brain areas at the single neuron as well as at the ensemble level in a behaving animal.

 JoVE Neuroscience

A cGMP-applicable Expansion Method for Aggregates of Human Neural Stem and Progenitor Cells Derived From Pluripotent Stem Cells or Fetal Brain Tissue

1Regenerative Medicine Institute, Cedars-Sinai Medical Center


JoVE 51219

This protocol describes a novel mechanical chopping method that allows the expansion of spherical neural stem and progenitor cell aggregates without dissociation to a single cell suspension.  Maintaining cell/cell contact allows rapid and stable growth for over 40 passages.

 JoVE Neuroscience

Isolation and Culture of Dissociated Sensory Neurons From Chick Embryos

1Department of Natural Sciences, Assumption College


JoVE 51991

Cell culture models provide detailed control over environmental conditions and thus provide a powerful platform to elucidate numerous aspects of neuronal cell biology. We describe a rapid, inexpensive, and reliable method to isolate, dissociate, and culture sensory neurons from chick embryos. Details of substrata preparation and immunocytochemistry are also provided.

 JoVE Neuroscience

High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity

1Monell Chemical Senses Center


JoVE 51640

Olfactory receptor activation patterns encode odor identity, but the lack of published data identifying odorant ligands for mammalian olfactory receptors hinders the development of a comprehensive model of odor coding. This protocol describes a method to facilitate high-throughput identification of olfactory receptor ligands and quantification of receptor activation.

 JoVE Neuroscience

Inhibitory Synapse Formation in a Co-culture Model Incorporating GABAergic Medium Spiny Neurons and HEK293 Cells Stably Expressing GABAA Receptors

1UCL School of Pharmacy, University College London


JoVE 52115

The molecular mechanisms that co-ordinate the formation of inhibitory GABAergic synapses during ontogeny are largely unknown. To study these processes,we have developed a co-culture model system which incorporates embryonic medium spiny GABAergic neurons cultured together with stably transfected human embryonic kidney 293 (HEK293) cells expressing functional GABAA receptors.

 JoVE Behavior

Comprehensive Analysis of Transcription Dynamics from Brain Samples Following Behavioral Experience

1The Alexander Silberman Institute of Life Sciences & Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem


JoVE 51642

This manuscript describes a protocol that applies comprehensive profiling for analysis of transcriptional programs induced in specific brain nuclei of rodents following behavioral paradigms. Herein, this approach is illustrated in the context of profiling genes induced in the nucleus accumbens (NAc) of mice following acute cocaine exposure, utilizing microfluidic qPCR arrays.

 JoVE Behavior

Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

1Medical Imaging Physics (INM-4), Institute of Neuroscience and Medicine, Research Centre Jülich GmbH, 2Computational and Systems Neuroscience (INM-6), Institute of Neuroscience and Medicine, Research Centre Jülich GmbH


JoVE 51793

Transferring a paradigm with a history of use in EEG experiments to an fMRI experiment is considered. It is demonstrated that manipulating the task demands in the visual oddball task resulted in different patterns of BOLD activation and illustrated how task design is crucial in fMRI experiments.

 JoVE Neuroscience

Dual Electrophysiological Recordings of Synaptically-evoked Astroglial and Neuronal Responses in Acute Hippocampal Slices

1Neuroglial Interactions in Cerebral Physiopathology, Center for Interdisciplinary Research in Biology, CNRS UMR 7241, INSERM U1050, Collège de France, 2Paris Diderot University


JoVE 4418

The preparation of acute brain slices from isolated hippocampi, as well as the simultaneous electrophysiological recordings of astrocytes and neurons in stratum radiatum during stimulation of schaffer collaterals is described. The pharmacological isolation of astroglial potassium and glutamate transporter currents is demonstrated.

 JoVE Neuroscience

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear

1Departments of Psychiatry and Neuroscience, and Friedman Brain Institute, Mt. Sinai School of Medicine, 2Department of Psychology, New York University, 3Department of Psychology and Center for Neural Science, New York University


JoVE 3893

Conditioned fear can be diminished through an inhibitory process called extinction, but can resurface under conditions such as the passage of time or exposure to stress. Our protocol presents a novel way of preventing fear recovery by introducing extinction during the reconsolidation window (the re-storage phase of a reactivated memory).

 JoVE Neuroscience

Organotypic Slice Cultures to Study Oligodendrocyte Dynamics and Myelination

1Department of Physiology and Neurobiology, University of Connecticut, 2Stem Cell Institute, University of Connecticut, 3Department of Neurology, Yale University School of Medicine


JoVE 51835

A technique to study NG2 cells and oligodendrocytes using a slice culture system of the forebrain and cerebellum is described. This method allows examination of the dynamics of proliferation and differentiation of cells within the oligodendrocyte lineage where the extracellular environment can be easily manipulated while maintaining tissue cytoarchitecture.

 JoVE Neuroscience

Paired Whole Cell Recordings in Organotypic Hippocampal Slices

1Department of Physiology and Centre for Brain Research, University of Auckland, 2Department of Molecular and Cellular Physiology, Stanford University


JoVE 51958

Pair recordings are simultaneous whole cell patch clamp recordings from two synaptically connected neurons, enabling precise electrophysiological and pharmacological characterization of the synapses between individual neurons. Here we describe the detailed methodology and requirements for establishing this technique in organotypic hippocampal slice cultures in any laboratory equipped for electrophysiology.

 JoVE Behavior

Assessment of Sensorimotor Function in Mouse Models of Parkinson's Disease

1Department of Psychology, University of Cincinnati, 2Department of Neurology, University of Cincinnati


JoVE 50303

In Parkinson's disease and movement disorders in general, sensitive and reliable behavioral assays are essential for testing novel potential therapeutics. Here, we describe a manageable battery of sensorimotor tests for mice that are sensitive to varying degrees of injury to the nigrostriatal system and useful for preclinical studies.

 JoVE Neuroscience

Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits

1Department of Biomedical Engineering, Washington University in St. Louis


JoVE 50139

We demonstrate variations of the extracellular multi-unit recording technique to characterize odor-evoked responses in the first three stages of the invertebrate olfactory pathway. These techniques can easily be adapted to examine ensemble activity in other neural systems as well.

 JoVE Behavior

Flat-floored Air-lifted Platform: A New Method for Combining Behavior with Microscopy or Electrophysiology on Awake Freely Moving Rodents

1Neuroscience Center, University of Helsinki, 2Neurotar LTD, 3A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 4Laboratory Animal Center, University of Helsinki


JoVE 51869

This method creates a tangible, familiar environment for the mouse to navigate and explore during microscopic imaging or single-cell electrophysiological recordings, which require firm fixation of the animal’s head.

 JoVE Neuroscience

Real-time Imaging of Axonal Transport of Quantum Dot-labeled BDNF in Primary Neurons

1Department of Neurosciences, University of California, San Diego, 2School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, 3Department of Anesthesiology, University of California, San Diego, 4VA San Diego Healthcare System


JoVE 51899

Axonal transport of BDNF, a neurotrophic factor, is critical for the survival and function of several neuronal populations. Some degenerative disorders are marked by disruption of axonal structure and function. We demonstrated the techniques used to examine live trafficking of QD-BDNF in microfluidic chambers using primary neurons.

 JoVE Neuroscience

Generation of Topically Transgenic Rats by In utero Electroporation and In vivo Bioluminescence Screening

1Department of Neuropathology, Medical School Düsseldorf, 2Department of Molecular Genetics, Weizmann Institute for Science, 3Center of Behavioral Neuroscience, University of Düsseldorf


JoVE 50146

Genes can be manipulated during development of the cortex or the hippocampus of the rat via in utero electroporation (IUE) at E16, to enable fast and targeted modifications in neuronal connectivity for later studies of behavior or neuropathology in adult animals. Postnatal in vivo imaging for control of IUE success is performed by bioluminescence of activating co-transfected luciferase.

 JoVE Biology

A Method for Culturing Embryonic C. elegans Cells

1Department of Physiology and Biophysics, University of Miami


JoVE 50649

We describe here a revised protocol for large-scale culture of embryonic C. elegans cells. Embryonic C. elegans cells cultured in vitro using this method, appear to differentiate and recapitulate the expression of genes in a cell specific manner. Techniques that require direct access to the cells or isolation of specific cell types from the other tissues can be applied on C. elegans cultured cells.

 JoVE Behavior

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

1Department of Psychology, University of Wisconsin-Madison


JoVE 51905

Potentiation of the startle reflex is measured via electromyography of the orbicularis oculi muscle during low (uncertain) and high (certain) probability electric shock threat in the Threat Probability Task. This provides an objective measure of distinct negative emotional states (fear/anxiety) for research on psychopathology, substance use/abuse, and broad affective science.

 JoVE Biology

One-channel Cell-attached Patch-clamp Recording

1Graduate Program in Neuroscience, SMBS, University at Buffalo, SUNY, 2Department of Biochemistry, SMBS, University at Buffalo, SUNY, 3Molecular and Cellular Neuroscience Department, The Scripps Research Institute, 4Department of Biochemistry and Graduate Program in Neuroscience, SMBS, University at Buffalo, SUNY


JoVE 51629

Described here is a procedure for obtaining long stretches of current recording from one ion channel with the cell-attached patch-clamp technique. This method allows for observing, in real time, the pattern of open-close channel conformations that underlie the biological signal. These data inform about channel properties in undisturbed biological membranes.

 JoVE Neuroscience

Preparation of Primary Neurons for Visualizing Neurites in a Frozen-hydrated State Using Cryo-Electron Tomography

1Department of Molecular Physiology and Biophysics, Baylor College of Medicine, 2Department of Neuroscience, Baylor College of Medicine, 3Department of Neuroscience, University of California at San Diego, 4National Center for Macromolecular Imaging, Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine


JoVE 50783

To preserve neuronal processes for ultrastructural analysis, we describe a protocol for plating of primary neurons on electron microscopy grids followed by flash freezing, yielding samples suspended in a layer of vitreous ice. These samples can be examined with a cryo-electron microscope to visualize structures at the nanometer scale.

 JoVE Biology

Mapping the After-effects of Theta Burst Stimulation on the Human Auditory Cortex with Functional Imaging

1Montreal Neurological Institute and International laboratory for Brain, Music, and Sound (BRAMS), McGill University


JoVE 3985

Auditory processing is the basis of speech and music-related processing. Transcranial Magnetic Stimulation (TMS) has been used successfully to study cognitive, sensory and motor systems but has rarely been applied to audition. Here we investigated TMS combined with functional Magnetic Resonance Imaging to understand the functional organization of auditory cortex.

 JoVE Neuroscience

Implementing Dynamic Clamp with Synaptic and Artificial Conductances in Mouse Retinal Ganglion Cells

1Discipline of Biomedical Science, School of Medical Sciences, Sydney Medical School and Bosch Institute, University of Sydney, 2The MARCS Institute, University of Western Sydney, 3Discipline of Physiology, School of Medical Sciences, Sydney Medical School and Bosch Institute, University of Sydney


JoVE 50400

This video article illustrates the set-up, the procedures to patch cell bodies and how to implement dynamic clamp recordings from ganglion cells in whole-mount mouse retinae. This technique allows the investigation of the precise contribution of excitatory and inhibitory synaptic inputs, and their relative magnitude and timing to neuronal spiking.

 JoVE Behavior

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm

1Department of Cognitive Science, Macquarie University, 2ARC Centre of Excellence in Cognition and its Disorders, Macquarie University, 3Department of Psychology, Macquarie University


JoVE 50530

We demonstrate how an objective measure can be employed in the widely employed rubber hand illusion paradigm. This measure is obtained by modifying the well-established crossmodal congruency task. This task allows the investigation of multisensory processes which are critical for modulations of body representations as in the rubber hand illusion.

 JoVE Neuroscience

Inducing Plasticity of Astrocytic Receptors by Manipulation of Neuronal Firing Rates

1Graduate Program in Neuroscience, University of California Riverside, 2Department of Cell Biology and Neuroscience, University of California Riverside, 3Center for Glial-Neuronal Interactions, University of California Riverside


JoVE 51458

Here we describe an adaptation of protocols used to induce homeostatic plasticity in neurons for the study of plasticity of astrocytic G protein-coupled receptors. Recently used to examine changes in astrocytic group I mGluRs in juvenile mice, the method can be applied to measure scaling of various astrocytic GPCRs, in tissue from adult mice in situ and in vivo, and to gain a better appreciation of the sensitivity of astrocytic receptors to changes in neuronal activity.

 JoVE Clinical and Translational Medicine

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

1Center for Health Sciences, SRI International, 2Department of Chemistry and Biochemistry, University of California-Santa Cruz


JoVE 50960

Lipoxygenase (LOX) isozymes can generate products that may increase or decrease neuroinflammation and neurodegeneration. A gene-environment interaction study could identify LOX isozyme-specific effects. Using the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) model of nigrostriatal damage in two LOX isozyme-deficient transgenic lines allows for comparison of the contribution of LOX isozymes on dopaminergic integrity and inflammation.

 JoVE Behavior

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents

1Biomedical Sciences, Tufts University Cummings School of Veterinary Medicine, 2School of Healthcare Sciences, Manchester Metropolitan University


JoVE 50324

This article describes the use of chronic resident intruder social stress as an ethologically relevant paradigm to model postpartum depression and anxiety in lactating rodents.

 JoVE Clinical and Translational Medicine

Slow-release Drug Delivery through Elvax 40W to the Rat Retina: Implications for the Treatment of Chronic Conditions

1Biotechnology and Applied Clinical Sciences Department, University of L'Aquila, 2ARC Centre of Excellence in Vision Science, 3John Curtin School of Medical Research, Australian National University, 4ANU Medical School, Australian National University


JoVE 51563

This paper details how Elvax 40W can be used as a slow-release method for drug delivery to the adult rat retina. The protocol for preparing, loading, and delivering the drug-resin complex to the eye is described.

 JoVE Neuroscience

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

1School of Psychological Sciences, Tel-Aviv University, 2Sagol School of Neuroscience, Tel-Aviv University


JoVE 51063

This paper describes a method for collecting and analyzing electroencephalography (EEG) data during concurrent transcranial magnetic stimulation (TMS) guided by activations revealed with functional magnetic resonance imaging (fMRI). A method for TMS artifact removal and extraction of event related potentials is described as well as considerations in paradigm design and experimental setup.

 JoVE Bioengineering

Insertion of Flexible Neural Probes Using Rigid Stiffeners Attached with Biodissolvable Adhesive

1Materials Engineering Division, Lawrence Livermore National Laboratory, 2UCSF Center for Integrative Neuroscience and the Department of Physiology, University of California, San Francisco


JoVE 50609

Insertion of flexible neural microelectrode probes is enabled by attaching probes to rigid stiffeners with polyethylene glycol (PEG). A unique assembly process ensures uniform and repeatable attachment. After insertion into tissue, the PEG dissolves and the stiffener is extracted. An in vitro test method evaluates the technique in agarose gel.

 JoVE Biology

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

1Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge


JoVE 1193

In a piloting scent tracking task, the ability of the rats to return to a refuge with food using visual an odor trail or using dead reckoning in infrared light, the integrated record of previous movements, demonstrates that the hippocampus is necessary for dead reckoning.

 JoVE Behavior

Stereotaxic Microinjection of Viral Vectors Expressing Cre Recombinase to Study the Role of Target Genes in Cocaine Conditioned Place Preference

1Graduate Program in Neuroscience, Weill Cornell Graduate School of Biomedical Sciences, 2Division of Pediatric Neurology, Department of Pediatrics, Weill Cornell Medical College


JoVE 50600

This article describes how to microinject viral vectors into mouse brain and then test in a conditioned place preference paradigm that includes an acquisition, extinction and reinstatement phase.

 JoVE Clinical and Translational Medicine

Multi-electrode Array Recordings of Human Epileptic Postoperative Cortical Tissue

1Neuroglial Interactions in Cerebral Physiopathology, Center for Interdisciplinary Research in Biology, CNRS UMR 7241, INSERM U1050, Collège de France, 2Infantile Epilepsies & Brain Plasticity, INSERM U1129, PRES, Paris Descartes University, Sorbonne Paris Cité, CEA, 3Neurosurgery Department, Necker Hospital, AP-HP, Paris Descartes University, 4Rare Epilepsies Reference Center, Necker Hospital, AP-HP, Paris Descartes University, 5Neurophysiology Department, La Pitié-Salpêtrière Hospital, AP-HP, Sorbonne and Pierre and Marie Curie University


JoVE 51870

We here describe how to perform multi-electrode array recordings of human epileptic cortical tissue. Epileptic tissue resection, slice preparation and multi-electrode array recordings of interictal and ictal events are demonstrated in detail.

 JoVE Behavior

Transcranial Magnetic Stimulation for Investigating Causal Brain-behavioral Relationships and their Time Course

1Cognitive, Perceptual & Brain Sciences, University College London


JoVE 51735

Transcranial magnetic stimulation (TMS) is a technique for non-invasively disrupting neural information processing and measuring its effect on behavior. When TMS interferes with a task, it indicates that the stimulated brain region is necessary for normal task performance, allowing one to systematically relate brain regions to cognitive functions.

 JoVE Neuroscience

Methods to Characterize Spontaneous and Startle-induced Locomotion in a Rotenone-induced Parkinson's Disease Model of Drosophila

1Department of Biology, Colby College


JoVE 51625

Parkinson’s disease is a neurodegenerative disorder that results from the degeneration of dopaminergic neurons in the central nervous system, causing locomotion defects. Rotenone models Parkinson’s disease in Drosophila. This paper outlines two assays that characterize both spontaneous and startle-induced locomotion deficiencies caused by rotenone.

 JoVE Clinical and Translational Medicine

The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects

1Department of Intensive Care Medicine, University and Bern University Hospital (Inselspital), 2Department of Neurosurgery, Kantonsspital Aarau, 3Laboratories for Neuroscience Research in Neurosurgery, Boston Children's Hospital, 4Harvard Medical School, Boston Children's Hospital, 5Department of Neurosurgery, University and Bern University Hospital (Inselspital), 6Department of Neurosurgery, University Hospital Cologne, 7Institute of Pathology, Länggasse Bern


JoVE 52132

The experimental intracranial pressure-controlled blood shunt subarachnoid hemorrhage (SAH) model in the rabbit combines the standard procedures — subclavian artery cannulation and transcutaneous cisterna magna puncture, which enables close mimicking of human pathophysiological conditions after SAH. We present step-by-step instructions and discuss key surgical points for successful experimental SAH creation.

 JoVE Neuroscience

Live Imaging of Mitosis in the Developing Mouse Embryonic Cortex

1Department of Molecular Genetics and Microbiology, Duke University Medical Center, 2Departments of Neurobiology and Cell Biology, Duke Institute for Brain Sciences, Duke University Medical Center


JoVE 51298

Neural progenitor mitosis is a critical parameter of neurogenesis. Much of our understanding of neural progenitor mitosis is based on analysis of fixed tissue. Live imaging in embryonic brain slices is a versatile technique to assess mitosis with high temporal and spatial resolution in a controlled environment.

 JoVE Neuroscience

Functional Interrogation of Adult Hypothalamic Neurogenesis with Focal Radiological Inhibition

1Division of Biology, California Institute of Technology, 2Solomon H. Snyder Department of Neuroscience, Neurology, and Ophthalamology, Johns Hopkins University School of Medicine, 3Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, 4Department of Radiation Oncology, University Of Washington Medical Center, 5Institute for Cell Engineering and High-Throughput Biology Center, Johns Hopkins University School of Medicine


JoVE 50716

The function of adult-born mammalian neurons remains an active area of investigation. Ionizing radiation inhibits the birth of new neurons. Using computer tomography-guided focal irradiation (CFIR), three-dimensional anatomical targeting of specific neural progenitor populations can now be used to assess the functional role of adult neurogenesis.

 JoVE Behavior

Training Synesthetic Letter-color Associations by Reading in Color

1Brain and Cognition, University of Amsterdam


JoVE 50893

Reading in color is a new method for training letter-color associations that are typically found only in grapheme-color synesthetes. It involves an implicit form of training that has potential for long-term associative training methods because the training is a byproduct of reading and any text can be colored.

 JoVE Neuroscience

Slice It Hot: Acute Adult Brain Slicing in Physiological Temperature

1Department of Neurobiology, Hebrew University of Jerusalem


JoVE 52068

In this paper we show a method for preparing acute brain slices in physiological temperature, using a conventional physiological solution without special modifications for the cutting (such as adding sucrose) and without intracardial perfusion of the animal before slice preparation.

 JoVE Behavior

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging

1Department of Psychology, University of Wisconsin-Milwaukee, 2McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, 3Department of Neurology, Medical College of Wisconsin


JoVE 50212

This article describes how to record amygdala activity with magnetoencephalography (MEG). In addition this article will describe how to conduct trace fear conditioning without awareness, a task that activates the amygdala. It will cover 3 topics: 1) Designing a trace conditioning paradigm using backward masking to manipulate awareness. 2) Recording brain activity during the task using magnetoencephalography. 3) Using source imaging to recover signal from subcortical structures.

 JoVE Neuroscience

Imaging Analysis of Neuron to Glia Interaction in Microfluidic Culture Platform (MCP)-based Neuronal Axon and Glia Co-culture System

1Department of Neuroscience, Tufts University, 2Neuroscience Program, Tufts Sackler School of Graduate Biomedical Sciences


JoVE 4448

This study describes the procedures of setting up a novel neuronal axon and (astro)glia co-culture platform. In this co-culture system, manipulation of direct interaction between a single axon (and single glial cell) becomes feasible, allowing mechanistic analysis of the mutual neuron to glial signaling.

 JoVE Neuroscience

Fast Micro-iontophoresis of Glutamate and GABA: A Useful Tool to Investigate Synaptic Integration

1NRW Research Group 'Dendritic integration in the CNS', Department of Epileptology, University of Bonn, 2Neuronal Networks Group, Deutsches Zentrum für Neurodegenerative Erkrankungen e.V. (DZNE)


JoVE 50701

In this article we introduce fast micro-iontophoresis of neurotransmitters as a technique to investigate integration of postsynaptic signals with high spatial and temporal precision.

 JoVE Biology

A Highly Reproducible and Straightforward Method to Perform In Vivo Ocular Enucleation in the Mouse after Eye Opening

1Department of Biology, KU Leuven - University of Leuven


JoVE 51936

The removal of eyes, also called enucleation, provides a useful strategy to study aspects of visual, cross-modal, and developmental plasticity along the mammalian visual system since it induces irreversible partial (monocular) or complete (binocular) vision loss. Here we describe a highly reproducible and straightforward approach to perform in vivo enucleation.

 JoVE Neuroscience

Ex utero Electroporation and Whole Hemisphere Explants: A Simple Experimental Method for Studies of Early Cortical Development

1Department of Neuroscience and Physiology, SUNY Upstate Medical University


JoVE 50271

This protocol describes an improved explant procedure that involves ex utero electroporation, dissection and culture of entire cerebral hemispheres from the embryonic mouse. The preparation facilitates pharmacological studies and assays of gene function during early cortical development.

 JoVE Behavior

Use of the Operant Orofacial Pain Assessment Device (OPAD) to Measure Changes in Nociceptive Behavior

1Department of Oral and Maxillofacial Surgery, University of Florida College of Dentistry, 2Department of Neuroscience, McKnight Brain Institute, University of Florida College of Medicine, 3Stoelting Co., 4Department of Orthodontics, University of Florida


JoVE 50336

We present a user-friendly, high-throughput operant system for the evaluation of pain behaviors in awake, conscious rodents. The Orofacial Pain Assessment Device (OPAD) can assess pain through a reward/conflict paradigm thus providing a more humane way of testing. This protocol will yield more clinically relevant and translational data from rodents.

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