Dear collegues, Please contact organizers if interested in this symposia. The Organizers PS: (we do apalogize for possible multiple copies of this letter) @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 4th Hungarian Vision Symposia 30th of August, 1997 Albert Szent-Györgyi Medical University Szeged Hungary Organizers Prof. György Benedek József Fiser Gyula Kovács 30. August. 1997 Albert Szent-Györgyi Medical University, Szeged, Dóm tér 10. 11.00. Opening- György Benedek MODELING 1. 11.15. P. Adorján(1), U. Bauer(2), M. Scholz(1), J.B. Levitt(3), J.S. Lund(3) and K. Obermayer On the Anatomical Basis of Field Size, Contrast Sensitivity, and Orientation Selectivity in Macaque Striate Cortex: A Model Study 11.30. H. Bartsch, M. Stetter and K. Obermayer A Model for the Generation of Orientation Tuning and Contextual Effects by Intracortical Circuits 11.45 L rincz, András From control architecture to the basic circuit of the cortex using dynamic feedback 12.00. Csató, Lehel, Rácz, Janos, Kovács, Gyula, Pevtzov, Rachel, Harnad, Stevan, L rincz, András Modelling categorical perception 12.15. Somogyvári Zoltán, Andai A, Székely György, .Érdi Péter Modeling the ontogeny of the frog visual system 12.30.-13.30 Lunchbreak MODELING 2. 13.30.Obermayer, Klaus Pinwheels in Visual Cortical Orientation Maps 13.45.Piepenbrock, C. and Obermayer, Klaus The Role of Nonlinear Mechanisms in the Cortical Development of Orientation Selectivity and Ocular Dominance 14.00. Greguss, Pál Humanoid latomodul robottechnikai alkalmazasai 14.15.Greguss, Pál A latast lehetove tevo jelmintafeldolgozas egy lehetseges,kiserletekkel valoszinusitheto modellje 14.30.-14.45 Coffee break ANATOMY AND PHYSIOLOGY. 14.45. Buzás, Péter Functional topography of basket cells revealed with optical imaging in visual cortex of the cat 15.00. Vidnyánszky, Zoltán, Gulyás, Balázs, Roland, P.E., Klingberg, T and Ledberg, A. A PET study of visual conditional associative form and position discrimination. 15.15. Benedek, György, Sztriha, László Spatial code in the feline visual cortex 15.30. Köteles, Károly, Kovács, Gyula, Sáry, Gyula and Benedek, György Shape selectivity of macaque inferior temporal neurons to colored photographs, line drawings and silhouettes. 15.45.-16.00 Coffee break PSYCHOPHYSICS. 16.00. Fiser, József, Complete independence of visual representations from low level image attributes in object recognition tasks. 16.15. Kozma, Petra, Kovács, Ilona & Benedek, György Development of visual cortical processing in children. 16.30. Kovács, Gyula, Köteles, Károly, L rincz, András. Categorical perception of illusory contour defined shapes 16.45. Closing 17.30. Symposia Dinner