H. Berdjis

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Eleven patients suffering from chronic progressive external ophthalmoplegia (CPEO) were investigated by means of electroretinograms (ERG) and visually evoked cortical potentials (VECP) to flash and checkerboard-reversal stimuli. One patient exhibited a Kearns syndrome, in two patients fundoscopy revealed pigmentary retinopathy, and the other eight patients(More)
The specific activities of the four investigated enzymes of the carbohydrate metabolism decrease with ageing. In the old tissue, phosphoglyceratemutase and enolase sustain changes in their molecular weight, and their substrate affinity is modified.
Changes in flash but not pattern evoked cortical potentials after subchronic application of the MAO type A inhibitor pirlindole in man are reported. Pirlindole affects the deamination of serotonin and noradrenaline in the central nervous system and has serotonin reuptake inhibiting properties. Flash and pattern evoked cortical potentials were recorded in 6(More)
Pattern ERGs and pattern VECPs were recorded in 12 patients who had suffered from optic neuritis in childhood. When each individual's eyes were compared, the eye with the longer P100-latency in pattern VECP was found to have the smaller amplitude in pattern ERG. The latency differences correlated with the amplitude differences. These findings confirm that(More)
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