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T Meigen

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Articles 17
Citations 318
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Recent Articles
1.
Meigen T
Ophthalmologe . 2015 Jun; 112(6):533-44. PMID: 26040790
Electrophysiology is an objective functional test of the visual pathway and allows the location of visual dysfunctions to be detected. The flash electroretinogram (ERG) allows recognition of large area damage...
2.
Guthoff R, Schrader W, Hennemann K, Meigen T, Gobel W
Klin Monbl Augenheilkd . 2010 Jul; 228(5):468-72. PMID: 20597042
Background: In recent years, intravitreal bevacizumab and triamcinolone acetonide (TA) have been widely used to treat diabetic macular oedema (DMO). However, the indication criteria are not clear. The purpose of...
3.
Unterlauft J, Meigen T
Ophthalmologe . 2008 Jun; 105(12):1135-41. PMID: 18542967
Purpose: The onset of cortical activity evoked by a visual stimulus, the early latency (fL), can be measured by the use of multifocal visual evoked potential (mfVEP). In this study...
4.
Meigen T, Friedrich A
Ophthalmologe . 2002 Sep; 99(9):713-8. PMID: 12219261
Problem: Multifocal electroretinogram recordings (mfERG) can be used to detect a local dysfunction of the retina. In this study we tested both the intrasessional and inter-sessional reproducibility of mfERG amplitudes....
5.
Meigen T, Heine M
Ophthalmologe . 2002 Jan; 98(12):1162-8. PMID: 11799899
Problem: In 1981, de Weerd proposed the method of time varying filtering (TVF) for estimating the "true" signal of an electrophysiological response if a noise response was additionally recorded. We...
6.
Bach M, Hawlina M, Holder G, Marmor M, Meigen T, Vaegan , et al.
Doc Ophthalmol . 2000 Dec; 101(1):11-8. PMID: 11128964
The pattern electroretinogram (PERG) is a retinal response evoked by viewing an alternating checkerboard or grating. It receives clinical and research attention because it can provide information about inner retinal...
7.
Bach M, Schmitt C, Quenzer T, Meigen T, Fahle M
Vision Res . 2000 Dec; 40(26):3559-66. PMID: 11116160
Objects are usually segregated from ground by several visual dimensions. We studied texture segregation in checkerboards defined by gradients in spatial frequency, orientation or both frequency and orientation, using Gabor-filtered...
8.
Bach M, Meigen T
Doc Ophthalmol . 2000 Aug; 99(1):69-82. PMID: 10947010
Fourier analysis is a powerful tool in signal analysis that can be very fruitfully applied to steady-state evoked potentials (flicker ERG, pattern ERG, VEP, etc.). However, there are some inherent...
9.
Meigen T, Bach M
Doc Ophthalmol . 2000 Aug; 98(3):207-32. PMID: 10945442
Steady-state stimulation is a useful paradigm in many physiologic and clinical situations, for ERG, Pattern-ERG and VEP. One of the advantages is the easy evaluation of the response via Fourier...
10.
Bach M, Meigen T
Doc Ophthalmol . 1999 Oct; 95(3-4):335-47. PMID: 10532414
'Texture segregation' results from parallel processing in the visual cortex. It occurs when the stimulus contains spatial gradients within a visual dimension. We here present an introductory overview of the...