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Behavior: The observable response a person makes to any situation.
 JoVE Behavior

A Procedure to Observe Context-induced Renewal of Pavlovian-conditioned Alcohol-seeking Behavior in Rats

1Department of Psychology, Center for Studies in Behavioral Neurobiology, Concordia University


JoVE 51898

A procedure to study the capacity of an alcohol associated environmental context to trigger the renewal of alcohol-seeking behavior in rats is described.

 JoVE Biology

Design and Analysis of Temperature Preference Behavior and its Circadian Rhythm in Drosophila

1The Visual Systems Group, Division of Pediatric Ophthalmology, Cincinnati Childrens Hospital Medical Center, 2PRESTO, JST


JoVE 51097

We recently identified a novel Drosophila circadian output, temperature preference rhythm (TPR), in which the preferred temperature in flies rises during the day and falls during the night. TPR is regulated independently from another circadian output, locomotor activity. Here we describe the design and analysis of TPR in Drosophila.

 JoVE Clinical and Translational Medicine

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

1Department of Neurology, Universitätsmedizin Charité, 2Center for Stroke Research Berlin (CSB), Universitätsmedizin Charité, 3Berlin School of Mind and Brain, Humboldt Universität zu Berlin


JoVE 4427

Patients with visual deficits after stroke report about different constraints in daily life most likely due to variable compensatory strategies, which are difficult to differentiate in clinical routine. We present a clinical set-up which allows measurement of different compensatory head- and eye-movement-strategies and evaluating their effects on driving performance.

 JoVE Biology

Measuring the Effects of Bacteria on C. Elegans Behavior Using an Egg Retention Assay

1Department of Biological and Allied Health Sciences, Fairleigh Dickinson University


JoVE 51203

An egg-in-worm (EIW) assay is a useful method to quantify egg-laying behavior. Alterations in egg laying can be a behavioral response of the model organism Caenorhabditis elegans to potentially harmful environmental substances such as those produced by pathogenic bacteria.

 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.

 JoVE Neuroscience

A Single-fly Assay for Foraging Behavior in Drosophila

1Neurobiology Section, Division of Biological Sciences, University of California-San Diego, 2Department of Neuroscience, Columbia University, 3Dart NeuroScience, 4School of Dental Medicine, University of Pennsylvania


JoVE 50801

In this video article, we describe an automated assay to measure the effect of hunger or satiety on olfactory dependent food search behavior in the adult fruit fly Drosophila melanogaster.

 JoVE Behavior

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

1Graduate Program in Neuroscience, Rutgers University, 2Department of Biomedical Engineering, Rutgers University, 3Center for Cognitive Science, Rutgers University, 4Department of Psychology, Rutgers University, 5Department of Computer Science, Rutgers University


JoVE 51422

It is unclear how top-down signals from the ventral visual stream affect movement. We developed a paradigm to test motor behavior towards a target on a 3D depth inversion illusion. Significant differences are reported in both deliberate, goal-directed movements and automatic actions under illusory and veridical viewing conditions.

 JoVE Neuroscience

Optogenetic Stimulation of Escape Behavior in Drosophila melanogaster

1Department of Neurobiology, Stanford University


JoVE 50192

Genetically encoded optogenetic tools enable noninvasive manipulation of specific neurons in the Drosophila brain. Such tools can identify neurons whose activation is sufficient to elicit or suppress particular behaviors. Here we present a method for activating Channelrhodopsin2 that is expressed in targeted neurons in freely walking flies.

 JoVE Biology

Recording Multicellular Behavior in Myxococcus xanthus Biofilms using Time-lapse Microcinematography

1Department of Environmental Health Sciences, University of South Carolina (USC), 2Department of Biology, Syracuse University


JoVE 2038

To study Myxococcus xanthus swarm behavior, we have designed a time-lapse microcinematography protocol that can be modified for different assays. It employs standard growth conditions adapted for microscopy, and yields reproducible results by the use of inexpensive, reusable silicone gaskets. We have used this method to quantify multicellular chemotaxis.

 JoVE Neuroscience

Simultaneous Recording of Calcium Signals from Identified Neurons and Feeding Behavior of Drosophila melanogaster

1Department of Neurobiology, University of Massachusetts Medical School


JoVE 3625

The fruit fly, Drosophila melanogaster, extends its proboscis for feeding, responding to a sugar stimulus from its proboscis or tarsus. I have combined observations of the proboscis extension response (PER) with a calcium imaging technique, allowing us to monitor the activity of neurons in the brain, simultaneously with behavioral observation.

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