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29 novembre 2019: Luca Marchetti: E pur si move! Motion-based illusions and the complexity of perceptual content

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AN-ICON - ERC Advanced Grant (2019-2024)

Seminario di Filosofia dell'immagine 2019-2020: Illusion Between Simulation, Emulation, and Hyper-Realism

Luca Marchetti (Università degli Studi di Milano) 

E pur si move! Motion-based illusions and the complexity of perceptual content


29 novembre 2019, h. 17.00-19.00.

Sala Seminari, Sottotetto del Dipartimento di Filosofia, Cortile Ghiacciaia, via Festa del Perdono 7, Milano.


Abstract

Perceptual illusions are extremely interesting and complex phenomena that, far from being mere surprising visual attractions, are very useful tools both for cognitive scientists and philosophers of mind. In a scientific context, illusions reveal the failures of perception and the disfunctions of our sensory apparatuses, indicating the limits of human’s perceptual system. Moreover, these phenomena allow to analyze the cognitive sub-processes underlying perception. In the philosophical sphere, illusions bring to light various problems within philosophical theories of mind and perception.

In this paper, I present the complex perceptual content of some static configurations that elicit the impression of movement: Waterfall IllusionPeripheral Drift IllusionPinna Illusion and some Op Art. Besides showing the causes of the detachment between physical stimulus and phenomenology, I reflect on two distinct, but inevitably intertwined, aspects of their content. On the one hand, I stress the importance of that phenomenological component called “illusoriness” – a phenomenal attribute related to a sense of strangeness, deception, singularity, mendacity, and oddity (Pinna et al. 2018). On the other hand, I ask if it is really true that the illusory experience of these phenomena implies an impossible or paradoxical perceptual content. According to various psychologists and philosophers, since at the same time I see the same object move and remain still, these experiences would manifest a logical contradiction.

Lastly, intertwining the analysis of the illusoriness and the paradox with the empirical data provided by the sciences of the mind, I try to show that, in the cases examined, there is no manifestly contradictory content. Moreover, as the majority of the illusions considered are images, I draw some conclusion concerning the depiction of motion in static images.

Bio
Luca Marchetti is a PhD student in Philosophy at the Doctoral School in Philosophy and Human Sciences of the State University of Milan. He graduated in 2017 in Philosophy at the University of Turin under the supervision of Prof. Pietro Kobau, with a thesis titled “Visual Perception and the Moving Image”. In 2018 he spent a semester as a research trainee at the Laboratoire dePsychologie and NeuroCognition (LPNC), Grenoble University. He worked at the project “Psychophysics and the Philosophy of Colours”, under the supervision of dr. David Alleyson. He has always been interested in the relationship between psychology, philosophy of perception and aesthetics, focusing his attention, in particular, onto theories of depiction, picture perception and temporal experience. His actual research, titled “Depicting and Representing. Experiencing Motion and Time in the Static Image”, tackles the problem of the depiction of time and movement in static images. It is carried under the supervision of professors Paolo Spinicci and Clotilde Calabi.


La partecipazione all’incontro è fortemente consigliata consigliata agli allievi della Scuola di Dottorato in Filosofia e Scienze dell’Uomo e può essere valutata come attività didattica del Dottorato di ricerca in Filosofia e Scienze dell'Uomo.

Tutti gli interessati sono invitati a partecipare. Ingresso libero fino ad esaurimento dei posti disponibili.

 

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29 novembre 2019
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