The Society for Psychophysiological Research makes Guidelines articles and SPR Presidential Addresses from Psychophysiology available (in Adobe PDF format) as a courtesy. SPR Guidelines papers include: Publication guidelines for heart rate studies…

When exporting AcqKnowledge files to MATLAB® via “File > Save As…”, event marks are not exported with the data. To get event mark information into a MATLAB file, there are…

In some instances, iLok drivers will not install properly or will fail to install, leading to connection failure between AcqKnowledge and the iLok USB Key. If the iLok USB drivers did…

Parts needed:2 x JUMP100STP100CUIM100C The STP100C receives a digital pulse coming from a stimulus presentation program, either through the 37 pin connector or the 25 pin connector. To route a…

When you purchase a copy of AcqKnowledge 4 or a Research System that includes AcqKnowledge 4 you will receive one License Key (iLok USB). If you have purchased a system with additional…

New Features and Enhancements Increase the Power & Flexibility of AcqKnowledge! AcqKnowledge software is included with each MP200 and MP36R System and some integrated systems; it can also be purchased separately. Check BIOPAC…

When using the BioHarness data logging feature and importing the data logging file to AcqKnowledge 4.3 under Windows 8 OS, the user must be in 'administrator' mode.

Accuracy The degree to which something is true or exact. As an example, consider the characteristics of the TSD202A temperature transducer. With this transducer, there is an intrinsic accuracy of…

The MP series amplifier modules incorporate a variety of filtering options. The low pass filtering options have an effect on the signal response time, which is sometimes referred to as…

SPSS supports file formats that are also available in AcqKnowledge –  Excel and text file.  For unusual circumstances when all of the data are to be imported to SPSS, “File…

Sometimes harmful voltage surges come from electrostatic discharge (ESD). This is a single, fast, high current transfer of electrostatic charge resulting from one of two conditions. These conditions are: Direct…

If a calculation channel doesn’t have scaling options, use the Rescale calculation channel and/or Metachannel for scaling. See the AcqKnowledge Software Guide for setup details: Rescale as an independent calculation…