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 Cumbersome systems difficult to set up and operate have been superseded by compact modular arrays offering unprecedented convenience, power, and functionality....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...
Nov 7, 2017 | Life Science Data
The NIBP100D-HD provides noninvasive monitoring of blood pressure and hemodynamic measures, representing a big step for noninvasive measurements in physiological research. The device’s accuracy is comparable to clinical measures, allowing researchers to obtain the...
Oct 10, 2017 | Life Science Data
From breathing to sleep, the human body functions through cycles. Researchers attain the most accurate physiological data when analyzing subjects through cyclic data. Wandering baselines, non-AC coupled, and varying peak amplitudes are some of the many challenges that...
Sep 27, 2017 | Life Science Data
Recording the clearest possible signal can prove tricky, especially from exercising or mobile subjects. We have compiled a helpful guide on electrode placement and preparation that ensures accurate and precise data from mobile subject recording. When recording mobile...
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