Recording electromyographic signals in a classical conditioning experiment

S. Jannasch, R. Klinger, N. Matter, U. Hofmann


We describe in the following a measurement system for electromyographic signals created for an ex- periment to examine the influence of respondent learning on muscle tension on chronic pain patients and healthy controls. The data acquisition system is based on a DSP- board fitted with two analog-to-digital conversion modules of the OMNIBUS type. This provides us with the ability to record from 8 channels with 5kHz sampling rate simulta- neously. The high computing power of the M67 DSP-board enables us to analyze incoming signal online, while still controlling the stimulator device. In the following, we describe the experimental procedure and show some ana- lytical methods, which are able to select single unit activity in the EMG.
Original languageEnglish
JournalBiomedizinische Technik
Publication statusPublished - 01.01.2004


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