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Analysis of Variance: A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.

Using fMRI to Dissect Moral Judgment

JoVE 10306

Source: William Brady & Jay Van Bavel—New York University


In examining the roles of reason and emotion in moral judgments, psychologists and philosophers alike point to the trolley dilemma and the footbridge dilemma. With the trolley dilemma, most people say that it is appropriate to pull a switch to stop a train from hitting…

 Social Psychology

Using Diffusion Tensor Imaging in Traumatic Brain Injury

JoVE 10276

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California


Traditional brain imaging techniques using MRI are very good at visualizing the gross structures of the brain. A structural brain image made with MRI provides high contrast of the borders between gray and white matter, and information about…

 Neuropsychology

The Split Brain

JoVE 10162

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California


The study of how damage to the brain affects cognitive functioning has historically been one of the most important tools for cognitive neuroscience. While the brain is one of the most well protected parts of the body, there are many events…

 Neuropsychology

Memory Development: Demonstrating How Repeated Questioning Leads to False Memories

JoVE 10129

Source: Laboratories of Judith Danovitch and Nicholaus Noles—University of Louisville


A person is defined as a unique individual based on the people and events they encounter in their lives. Thus, creating, storing, and recalling memories are essential elements of the human experience. However, memory, as adults experience it, takes…

 Developmental Psychology

Categories and Inductive Inferences

JoVE 10109

Source: Laboratories of Nicholaus Noles and Judith Danovitch—University of Louisville


It might be possible for the human brain to keep track of each individual person, place, or thing encountered, but that would be a very inefficient use of time and cognitive resources. Instead, humans develop categories. Categories are mental…

 Developmental Psychology

Effects of Thinking Abstractly or Concretely on Self-control

JoVE 10332

Source: Diego Reinero & Jay Van Bavel—New York University


Whether it's refraining from having a second serving of ice cream, studying instead of attending a fun party, or deciding to put money away in a savings account, sacrificing short-term outcomes in favor of long-term outcomes (i.e., delaying gratification) is a…

 Social Psychology

Analyzing Situations in Helping Behavior

JoVE 10305

Source: Julian Wills & Jay Van Bavel—New York University


Social psychologists and personality psychologists both attempt to predict human behavior, but they focus on very different factors. Whereas personality psychologists focus on how personality traits, character, and individual differences affect behavior, social…

 Social Psychology

Pilot Testing

JoVE 10031

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University



In any experiment researchers have the challenge of creating experiences for participants that are consistent (i.e., reliable) and authentic (i.e., valid). Yet there are many ways to…

 Experimental Psychology

Persuasion: Motivational Factors Influencing Attitude Change

JoVE 10330

Source: William Brady & Jay Van Bavel—New York University


Decades of social psychological research sought to understand a fundamental question that pervades our social life including politics, marketing and public health; namely, how are people persuaded to change their attitudes towards an idea, person, or object? Traditional…

 Social Psychology

Visual Attention: fMRI Investigation of Object-based Attentional Control

JoVE 10272

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel— University of Southern California


The human visual system is incredibly sophisticated and capable of processing large amounts of information very quickly. However, the brain's capacity to process information is not an unlimited resource. Attention, the ability to…

 Neuropsychology

The Multi-group Experiment

JoVE 10057

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University



A multi-group design is an experimental design that has 3 or more conditions/groups of the same independent variable. This video demonstrates a multi-group experiment that examines how different…

 Experimental Psychology

Within-subjects Repeated-measures Design

JoVE 10034

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University



A within-subjects, or repeated-measures, design is an experimental design where all the participants receive every level of the treatment, i.e., every independent variable. For example, in a…

 Experimental Psychology

Decision-making and the Iowa Gambling Task

JoVE 10208

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California


Decision-making is an important component of human executive function, in which a choice about a course of action or cognition is made from many possibilities. Damage to the inferior parts of the frontal lobes can affect a person's ability…

 Neuropsychology

Are You Smart or Hardworking? How Praise Influences Children's Motivation

JoVE 10112

Source: Laboratories of Judith Danovitch and Nicholaus Noles—University of Louisville


Imagine teaching two children how to skate. It is a hard task for both of them, and they fall down frequently. After falling down for the first time, one child says that skating is too hard and wants to go home. The other child seems to enjoy the…

 Developmental Psychology

Self-report vs. Behavioral Measures of Recycling

JoVE 10050

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University



One of the challenges in measuring an experimental variable is identifying the technique that will produce the more accurate measurement. The most common way to measure a dependent variable is…

 Experimental Psychology

Using TMS to Measure Motor Excitability During Action Observation

JoVE 10270

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California


Transcranial Magnetic Stimulation (TMS) is a non-invasive brain stimulation technique that involves passing current through an insulated coil placed against the scalp. A brief magnetic field is created by current in the coil, and because of…

 Neuropsychology

The Factorial Experiment

JoVE 10058

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University



A factorial design is a common type of experiment where there are two or more independent variables. This video demonstrates a 2 x 2 factorial design used to explore how self-awareness and self-esteem…

 Experimental Psychology

Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging

1Division of Urologic Surgery, Washington University in St. Louis School of Medicine, 2Department of Urology, University of Wisconsin School of Medicine and Public Health, 3Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, 4O’Brien Urology Research Center, University of Wisconsin School of Medicine and Public Health

JoVE 53837

 Biology

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

1St. Jude Proteomics Facility, St. Jude Children's Research Hospital, 2Departments of Structural Biology and Developmental Neurobiology, St. Jude Children's Research Hospital, 3Heilongjiang University of Chinese Medicine

JoVE 56474

 Biochemistry

Real-time Live-cell Flow Cytometry to Investigate Calcium Influx, Pore Formation, and Phagocytosis by P2X7 Receptors in Adult Neural Progenitor Cells

1Griffith Institute for Drug Discovery, Griffith University, 2Australian Institute for Bioengineering and Nanotechnology, University of Queensland, 3Discipline of Anatomy and Histology, School of Medical Science, University of Sydney, 4Bosch Institute, University of Sydney, 5Applied Neurosciences Program, Peter Duncan Neurosciences Research Unit, St. Vincent's Centre for Applied Medical Research, 6School of Medical Sciences, The University of New South Wales (UNSW) Medicine, Sydney, New South Wales, 7School of Environment and Science, Griffith University, Brisbane, Queensland, 8Florey Institute of Neuroscience and Mental Health, University of Melbourne

JoVE 59313

 Developmental Biology

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

1Division of Physical Therapy, Department of Orthopedics & Rehabilitation, University of New Mexico, 2Department of Ecosystem Science and Management, University of Wyoming, 3School of Pharmacy, University of Wyoming, 4Department of Environmental and Radiological Health Sciences, Colorado State University, 5Center for Environmental Medicine, Colorado State University, 6College of Pharmacy, California Northstate University

JoVE 52715

 Environment

A Comparative Study of Drug Delivery Methods Targeted to the Mouse Inner Ear: Bullostomy Versus Transtympanic Injection

1Instituto de Investigaciones Biomédicas (IIBm) Alberto Sols CSIC-UAM, 2Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), 3Instituto de Investigación Sanitaria La Paz (IdiPAZ), 4Facultad de Veterinaria, Universidad Complutense de Madrid, 5Departmento de Otorrino laringología, Hospital Universitario La Paz

JoVE 54951

 Biology

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements

1Department of Psychology, Hyperbaric Neuroscience Research Laboratory, University of South Florida, 2Department of Molecular Pharmacology and Physiology, Metabolic Medicine Research Laboratory, Morsani College of Medicine, University of South Florida, 3Institute for Human and Machine Cognition, 4Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, 5James A. Haley VA Medical Center, 6Shriners Hospital for Children, 7Savaria Department of Biology, ELTE Eötvös Loránd University

JoVE 58396

 Behavior

A Novel Surgical Approach for Intratracheal Administration of Bioactive Agents in a Fetal Mouse Model

1Molecular Virology and Gene Therapy, KU Leuven, 2Department of Woman and Child, KU Leuven, 3Neurobiology and Gene Therapy, KU Leuven, 4Division of Nuclear Medicine, KU Leuven, 5Biomedical NMR Unit/ MoSAIC, KU Leuven

JoVE 4219

 Medicine

Effects of Allogeneic Platelet-Rich Plasma (PRP) on the Healing Process of Sectioned Achilles Tendons of Rats: A Methodological Description

1Experimental Surgery, GIGA-R & Credec, University of Liège, 2Laboratory of Connective Tissues Biology, GIGA-R, University of Liège, 3Department Argenco, University of Liège, 4Department of Clinical Biology, University Hospital of Liège, University of Liège, 5Physical Medicine and Sport Traumatology Department, FIFA Medical Center of Excellence, University Hospital of Liège, University of Liège

JoVE 55759

 Medicine

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

1Center for Psychology and Cognitive Science, School of Humanities, Tsinghua University, 2Department of Foreign Languages and Literatures, School of Humanities, Tsinghua University, 3Center for Cognition and Mind Sciences, Lab for Language and Cognitive Neurology, National TsingHua University

JoVE 59436

 Behavior
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