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Keeping Physiology Students Engaged

Keeping Physiology Students Engaged

Keeping students engaged in the study of physiology can be a challenging exercise. Once the sole province of dusty textbooks and cumbersome lab manuals, the computer age ushered in quantum advances in the packaging of physiology curricula. Disadvantages were reflected...
Data Acquisition Basics—Filtering

Data Acquisition Basics—Filtering

When setting up data acquisition parameters, one area of befuddlement often involves the use of filters. Which ones should I use, and how do I set them up? What are they really, and why do I need them? In a nutshell, filters are configurable controls for removing...
Data Acquisition Basics—Understanding Gain Settings

Data Acquisition Basics—Understanding Gain Settings

BIOPAC amplifiers used with the MP160 Data Acquisition System are equipped with configurable settings designed for optimizing the physiological signal being acquired, one of which is the gain setting. What is gain? Put simply, gain refers to the amplifier’s ability to...
Data Acquisition Basics: What is an A/D Converter?

Data Acquisition Basics: What is an A/D Converter?

Analog : Data represented by continuously variable physical quantities, i.e. moving clock hands. Digital: Data composed of bytes of information sampled at regular intervals. Data acquisition for life science research and education has come a long way since the heyday...
Origins of Electrophysiology

Origins of Electrophysiology

Physiology and electricity share a common historical journey. In the mid 1700’s, the Austrian writer/philosopher J. Sulzer noted that when two metal discs were placed on his tongue—one copper and one zinc—the combined metals yielded an odd sensation and taste. He...
Choosing the right electrode type

Choosing the right electrode type

Whether it’s for EEG, ECG, or ECT, electrodes have a myriad of electrophysiological techniques in the field of biomedical research. As far as electrode positioning and selection, decisions about which type to use are best made via literature and discussions with...
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