[visionlist] 29th Kanizsa Lecture - October 22 - and Symposium

Marco Bertamini marco.bertamini at gmail.com
Mon Oct 18 17:04:35 -04 2021

----- This announcement integrates the information sent on Sunday, with more detailed information about time and time zones, and links for the symposium programme and the webinar access -----

29th Kanizsa Lecture


Prof Michael Herzog



We are pleased to announce that the 29th Kanizsa Lecture will be delivered by Professor Michael Herzog. The event is open to the public. A limited number of guests will attend the lecture in the Sala Archivio Antico, Palazzo Bo, Padova, while everybody can attend the streamed live event online starting at 16:30 (UTC +2) on Friday October 22nd.


Youtube streaming: http://youtu.be/rpUoeLD85GE 


Western USA (L.A.) 07:30  PDT (UTC-7)

Eastern USA (N.Y.) 10:30  EDT (UTC-4)

UK (London) 15:30  BST (UTC+1)

Europe (Rome) 16:30  CEST (UTC+2)

Japan (Tokyo) 23:30  JST (UTC+9)

Australia (Sydney) 01:30  AEDT (UTC+11)


The event is also part of the celebrations organised as the University of Padova approaches its 800th anniversary, in the year 2022.



What is fundamental to vision is controversially discussed since ancient times. The standard model of vision says that visual features are carefully analyzed in a feedforward hierarchy starting from low-level features, such as edges, to eventually compute objects. Low-level feature processing fully determines higher-level object appearance but not the other way around. Using crowding as an example, we show that this proposition does not hold true. Performance on a target deteriorates when flanking elements are presented, which is easily explained by low-level feature interactions in the standard model. However, adding further flankers can strongly improve the situation, depending on the overall configuration of the entire stimulus ensemble. Hence, contrary to the standard model, wholes determine parts as much as the other way around, very much in line with classic notions of Gestalt theory, which once was replaced by the standard model of vision. However, we did not succeed in fully explaining the effects of configuration by classic Gestalt explanations. One reason for this failure may be that, as we show, configural aspects are computed in a time dependent fashion. Based on these results and the ones of neuroimaging studies, we propose that the basic building blocks of vision are discrete processing windows, during which Gestalts are processed, which determine performance on its parts. The talk will start and end with some general philosophical considerations about vision.

For more information:https://dpg.unipd.it/en/percup/kanizsa-lecture   As per tradition, before the lecture we also have a symposium on Perception and Cognition. Presentations at the symposium (as well as the Kanizsa lecture) are in person, but you can also follow online. For the symposium the Webinar link is the following: When: Oct 22, 2021 Start: 09:30 Mainland Europe CEST (UTC+2)Please click the link below to join the webinar:https://unipd.zoom.us/j/83250383566    You can download the full programme of talks here:http://www.bertamini.org/lab/Kanizsa_Programma_final.pdf  

The organising committee:

Marco Bertamini, Paolo Bernardis, Luca Battaglini, Mario Bonato, Gianluca Campana, Carlo Fantoni, Walter Gerbino, Massimo Grassi
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