Med Associates Equipment
Med Associates Equipment - Related Videos
06:24
Minimal Erythema Dose (MED) Testing
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Cited by 70 •
2013
This article describes how to conduct minimal erythema dose (MED) testing in order to determine the lowest dose of ultraviolet radiation that will cause erythema (burning) when administered to an individual.
10:10
The Implicit Association Test
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2023
Source: Julian Wills & Jay Van Bavel—New York University One of the core constructs in social psychology is the notion of an attitude toward an object or person. Traditionally, psychologists measured attitudes by simply asking people to self-report their beliefs, opinions, or feelings. This approach has limitations, however, when measuring socially sensitive attitudes, like racial prejudice, because people are often motivated to self-report unprejudiced, egalitarian beliefs (despite...
01:18
Leveling Equipment
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2025
As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
05:37
Proper Personal Protective Equipment
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2023
Robert M. Rioux & William A Elliott, Pennsylvania State University, University Park, PA Hazards are many and varied in the laboratory, but the right choice of PPE can make the laboratory a safe place to work.
10:17
Preparing Anhydrous Reagents and Equipment
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2023
Source: Laboratory of Dr. Dana Lashley - College of William and Mary Demonstrated by: Timothy Beck and Lucas Arney Many reactions in organic chemistry are moisture-sensitive and must be carried out under careful exclusion of water. In these cases the reagents have a high affinity to react with water from the atmosphere and if left exposed the desired reaction will not take place or give poor yields, because the reactants are chemically altered. In order to prevent undesired reactions with H2O...
FAQs
Coordination depends on linking stimulus devices, response devices, sensors, interface modules, and data acquisition software within one experimental setup. The system can present an event, detect the subject’s response, and record the associated behavioral data with consistent timing. This integration helps researchers relate performance to precisely controlled experimental conditions.
Sensors provide the behavioral events that the system can monitor, while interface modules connect those events with the other parts of the setup. Together with response devices and acquisition software, they allow a researcher to associate an observed action with the stimulus or experimental condition that preceded it. This linkage supports consistent measurement across subjects.
Consistent timing makes stimulus delivery, response monitoring, and data recording more comparable across trials and subjects. It helps researchers determine how performance changes under different experimental conditions rather than allowing variations in event coordination to obscure those differences. Standardized timing also contributes to reproducibility when experiments are repeated within or across laboratories.
Its modular design allows researchers to combine test chambers, stimulus devices, response devices, sensors, interface modules, and software in configurations suited to the question under study. The systems can therefore support investigations of learning, memory, motivation, sensory processing, drug effects, or behavioral phenotyping while preserving standardized measurement across experimental conditions.
A researcher arranges the test chamber, stimulus and response devices, sensors, and interface modules required by the behavioral task. The software then coordinates experimental events and captures the resulting behavioral records. Researchers can use these records to quantify performance and compare conditions, provided the setup remains consistent for each subject and experimental session.
These systems are useful when a study requires controlled behavioral testing across areas such as learning and memory, motivation, sensory processing, drug effects, or behavioral phenotyping. By recording measurable responses under defined conditions, they help investigators compare experimental conditions and examine how behavioral performance changes in relation to the specific neuroscience question.
Controlled stimuli and monitored responses give researchers a consistent way to measure behavior while comparing experimental conditions. In drug-effect studies, this approach can reveal differences in performance associated with the tested conditions. For behavioral phenotyping, the same measurements help characterize subject behavior systematically, supporting comparisons across subjects and improving reproducibility between laboratories.