Why the study?
Does a new method using d.c. amplification and averaging technique allow for stable recording of the human ERG c-wave and what is its relationship with stimulus intensity?
Does a new method using d.c. amplification and averaging technique allow for stable recording of the human ERG c-wave and what is its relationship with stimulus intensity?
A new d.c. amplification and averaging technique allows for stable, reproducible recordings of the human ERG c-wave without general anesthesia, demonstrating a linear relationship between amplitude and log stimulus intensity.
The c ‐wave of the human ERG was studied with a new method, using d.c. amplification and averaging technique. Stable and reproducible recordings of the c ‐wave were obtained without the aid of general anaesthesia. Within the investigated range of intensities (2 log units) a linear relationship between c ‐wave amplitude and log stimulus intensity was found. This was valid whether the c ‐wave was measured from the base‐line or from the bottom of the preceding trough. The value of standardizing this method for routine clinical purposes is discussed.
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SKOOG et al. (1974) studied this question.
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