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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Goebel, Rainer
Maastricht University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2021Validating layer-specific VASO across speciescitations
- 2020Periodicity Pitch Detection in Complex Harmonies on EEG Timeline Data
- 2017Robust and fast nonlinear optimization of diffusion MRI microstructure modelscitations
- 2015Histological validation of high-resolution DTI in human post mortem tissuecitations
- 2015Evidence for normal letter-sound integration, but altered language pathways in a case of recovered Landau-Kleffner Syndromecitations
- 2007When sex meets syntactic gender on a neural basis during pronoun processingcitations
- 2007Common neural substrates for visual working memory and attentioncitations
- 2006Cerebral correlates of impaired grating perception in individual, psychophysically assessed human amblyopescitations
- 2006The temporal characteristics of motion processing in hMT/V5+: Combining fMRI and Neuronavigated TMScitations
- 2004Attentional systems in target and distractor processing: a combined ERP and fMRI study.citations
- 2002Functional imaging of visuospatial processing in Alzheimer's disease.citations
- 2002Integration of multiple motion vectors over space: A fMRI study of transparent motion perception.citations
Places of action
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article
Cerebral correlates of impaired grating perception in individual, psychophysically assessed human amblyopes
Abstract
We investigated neuronal correlates of amblyopic deficits resulting from early onset strabismus or anisometropia by monitoring individual responses in retinotopically mapped cortical visual areas with functional magnetic resonance imaging (fMRI) in eight psychophysically assessed adult amblyopes. In lower visual areas (V1/V2), grating stimuli presented to the normal and the amblyopic eye evoked strong cortical responses, while responses to the amblyopic eye were progressively reduced in higher areas on the central visual pathway (V3a/VP; V4/V8; lateral occipital complex, LOC). Selective reduction for high spatial frequency gratings was especially obvious in LOC. This suggests that transmission of activity from the amblyopic eye is increasingly impaired while it is relayed towards higher processing levels. Elevated responses in parts of areas VI and V2 to monocular stimulation of the amblyopic eye might be related to the spatial and temporal distortions experienced by some amblyopic subjects.