title: [Retinal diseases as a cause of increased latency in the visual evoked cortical potential].
abstract: Retinal and cortical potentials to reversing checkerboard stimuli (P-ERG, P-VECP) were recorded simultaneously in ten patients with disease of the central retina and eleven patients with tumor-related optic nerve changes. While both groups exhibited comparable P100 delays in the P-VECP, delays of the q component in the P-ERG were only observed in the group with retinal disease. Thus, measurement of P-ERG and P-VECP latencies enables retinal to be distinguished from post-retinal disease in cases with visual disturbances where there are no obvious fundus changes.
authors.affiliation: Max-Planck-Institut für, Physiologische und Klinische Forschung, W. G. Kerckhoff-Institut, Bad Nauheim.
authors.forename: R
authors.initials: R
authors.lastname: Lorenz
authors.forename: W
authors.initials: W
authors.lastname: Heider
mesh_terms: D004596:Electroretinography; D005074:Evoked Potentials, Visual / Q000502:physiology*; D006801:Humans; D011930:Reaction Time / Q000502:physiology*; D012164:Retinal Diseases / Q000175:diagnosis / Q000503:physiopathology*; D012815:Signal Processing, Computer-Assisted; D014793:Visual Cortex / Q000503:physiopathology*
vernacular_title: Netzhauterkrankungen als Ursache verlängerter Latenzen im VECP.