title: VEP and AEP variability: interlaboratory vs. intralaboratory and intersession vs. intrasession variability.
abstract: The VEP and AEP of a normal adult were recorded at single sessions in five laboratories that used different instrumentation. The results were compared with VEP and AEP data recorded at eight weekly testing sessions at one of the labs. The interlaboratory standard deviation was found to be over twice as large as the intralaboratory standard deviation measured over an eight week period. Intrasession EP variability was significantly less than intersession variability.
mesh_terms: D000328:Adult; D001307:Auditory Perception / Q000502:physiology*; D005071:Evoked Potentials; D005260:Female; D006801:Humans; D011930:Reaction Time; D012107:Research Design; D014796:Visual Perception / Q000502:physiology*