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Obsessive-Compulsive Disorder: An anxiety disorder characterized by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behavior which the individual generally recognizes as senseless and from which the individual does not derive pleasure although it may provide a release from tension.
 JoVE Behavior

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

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


JoVE 52287

The goal of the protocol described in this paper is to induce compulsive-like behavior in rats for the study of obsessive-compulsive disorder (OCD). This behavior is precipitated by attenuating a signal indicating that a lever-press response was effective in producing food.

 JoVE Behavior

Marble Burying and Nestlet Shredding as Tests of Repetitive, Compulsive-like Behaviors in Mice

1Research and Development Service, John D. Dingell VA Medical Center and Department of Psychiatry & Behavioral Neurosciences, Wayne State University School of Medicine


JoVE 50978

Disease, head injury, genetic modifications, and treatment of mice with drugs can have profound effects on behavior. Utilizing well-characterized and validated approaches such as marble burying and nestlet shredding, compulsive-like behaviors can be documented accurately in mice as models of human obsessive-compulsive disorder and autism spectrum disorder.

 JoVE Medicine

MRI-guided dmPFC-rTMS as a Treatment for Treatment-resistant Major Depressive Disorder

1Institute of Medical Sciences, University of Toronto, 2MRI-Guided rTMS Clinic, University Health Network, 3Department of Psychiatry, University Health Network, 4Toronto Western Research Institute, University Health Network, 5Department of Psychiatry, University of Toronto, 6Faculty of Arts and Science, University of Toronto, 7Temerty Centre for Therapeutic Brain Intervention, Centre for Addiction and Mental Health


JoVE 53129

Here we outline the procedure for MRI-guided repetitive transcranial magnetic stimulation to the dorsomedial prefrontal cortex as an experimental treatment for major depressive disorder.

 JoVE Neuroscience

Analysis of Gene Expression Changes in the Rat Hippocampus After Deep Brain Stimulation of the Anterior Thalamic Nucleus

1Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, 2Division of Brain Sciences, Department of Medicine, Imperial College London


JoVE 52457

The mechanism underlying the therapeutic effects of Deep Brain Stimulation (DBS) surgery needs investigation. The methods presented in this manuscript describe an experimental approach to examine the cellular events triggered by DBS by analyzing the gene expression profile of candidate genes that can facilitate neurogenesis post DBS surgery.

 JoVE Neuroscience

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

1Department of Neurosurgery, Columbia University Medical Center, New York Presbyterian Hospital, 2Department of Neurology, Columbia University Medical Center, New York Presbyterian Hospital, 3Columbia University Medical Center, New York Presbyterian Hospital, 4School of Medicine, King's College London


JoVE 52773

Stereotactic Electroencephalography (SEEG) is an operative technique used in epilepsy surgery to help localize seizure foci. It also affords a unique opportunity to investigate brain function. Here we describe how SEEG can be used to investigate cognitive processes in human subjects.

 JoVE Behavior

The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice

1Department of Pharmacology, University of Texas Health Science Center at San Antonio, 2Audie L. Murphy VA Hospital, South Texas Veteran's Health Care System


JoVE 51944

The goal of this protocol is to perform a behavioral assay such as the attentional set shifting task (AST) to assess prefrontal cortex-mediated cognitive flexibility in mice.

 JoVE Neuroscience

Habituation and Prepulse Inhibition of Acoustic Startle in Rodents

1Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario


JoVE 3446

Habituation and prepulse inhibition of startle are operational measures of sensory gating. Sensory gating is disrupted in schizophrenia, and some other mental disorders and neurodegenerative diseases. We here describe a standard protocol to assess short-term and long-term habituation as well as prepulse inhibition of acoustic startle responses in rats and mice.

 JoVE Medicine

Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation

1Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, 2Sobell Department of Motor Neuroscience & Movement Disorders, Unit of Functional Neurosurgery, UCL Institute of Neurology


JoVE 51403

Adaptive deep brain stimulation (aDBS) is effective for Parkinson’s disease, improving symptoms and reducing power consumption compared to conventional deep brain stimulation (cDBS). In aDBS we track a local field potential biomarker (beta oscillatory amplitude) in real time and use this to control the timing of stimulation.

 JoVE Medicine

Intra-Operative Behavioral Tasks in Awake Humans Undergoing Deep Brain Stimulation Surgery

1Nayef Al-Rodhan Laboratories for Cellular Neurosurgery and Neurosurgical Technology, Harvard Medical School, 2Department of Neurosurgery , Massachusetts General Hospital


JoVE 2156

Deep brain stimulation surgery offers a unique opportunity to examine information encoding in the awake human brain. This article will describe intra-operative methods used to perform cognitive and behavioral tasks while simultaneously acquiring physiological data such as EMG, single-unit neuronal activity and/or local field potentials.

 JoVE Medicine

Real-time fMRI Biofeedback Targeting the Orbitofrontal Cortex for Contamination Anxiety

1Department of Diagnostic Radiology, Yale University School of Medicine, 2Department of Psychiatry, Yale University School of Medicine, 3Yale Child Study Center, Yale University School of Medicine, 4Interdepartmental Neuroscience Program, Yale University School of Medicine


JoVE 3535

Here we present a method for training people to control a brain area involved in contamination anxiety and for probing the relationship between contamination anxiety and brain connectivity patterns.

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