Jul 23, 2018 | Life Science Data
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...
Jun 12, 2018 | Life Science Data
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...
May 31, 2018 | Life Science Data
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...
May 15, 2018 | Life Science Data
The characteristics of a particular body signal are dictated by its amplitude and frequency. The frequency of a signal can help determine the ideal rate at which to sample a particular signal, thus ensuring the resulting waveform is of the highest quality. Basically,...
Apr 24, 2018 | Life Science Data
During the process of physiological data acquisition, the human body behaves much like a battery. Electricity flows from parts of the body that are negatively charged to parts of the body that are positively charged, and this occurs constantly throughout all living...
Mar 29, 2018 | Life Science Data
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...
Mar 16, 2018 | Life Science Data
Data acquisition hardware and software packages have undergone rapid progress over the past several years. Cumbersome systems difficult to set up and operate have been superseded by compact modular arrays offering unprecedented convenience, power, and functionality....
Feb 21, 2018 | Life Science Data
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...
Jan 23, 2018 | electrocardiography
Electrocardiography (ECG) or EKG is one of the most commonly recorded signals as it can be used for a wide variety of heart related analysis. Acquiring good, clean data from subjects can prove difficult though. Everything from electrode options to hardware settings...
Dec 20, 2017 | Life Science Data
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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