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Principles LOCATION:Graduate Student\, Rutgers University\, Department of Philosophy and Center for Cognitive Science DESCRIPTION:Many authors have posited the existence of an “object file” system, which i s recruited by visual processes involved in the selection and tracking of i ndividual objects. Moreover, several theorists have proposed that the objec t file system internalizes principles that specify what counts as an object , and that it relies on these principles in order to track an object over t ime. In virtue of internalizing these principles, the object file system is purportedly “keyed” or “tuned” to a particular kind of entity. \n\nIn this talk I’ll consider a recent view of this kind, found in Tyler Burge (2010) and Susan Carey (2009), according to which mid-level vision selects and tr acks objects in accordance with the principles of three-dimensionality and cohesion. I contrast the approach found in Burge and Carey with a different view, found in the work of a number of vision scientists, on which the vis ual system selects and tracks objects in accordance with familiar Gestalt c riteria of perceptual organization. I’ll show that the criteria of perceptu al organization are, in general, far more permissive than the three-dimensi onality and cohesion principles—more objects satisfy the former principles than satisfy the latter. Thus, I call Burge and Carey’s position the Restri ctive View, and I call the alternative position the Permissive View. \n\nI’ ll argue that the available evidence (including the evidence often cited in support of the Restrictive View) is consistent with, and may even support, the Permissive View. Critically, processes of selection and tracking in mi d-level vision appear not to impose a three-dimensionality requirement, and there is little evidence that they make a sharp distinction between discre te, cohesive objects and perceptual groups. I then argue that work on the v isual selection and tracking of so-called “nonmaterial” entities, such as h oles and negative parts (i.e., “bites” or “indentations” out of a figure), may supply further support for the Permissive View over its more restrictiv e competitor.\n X-ALT-DESC;FMTTYPE=text/html:
Many authors have posited the existence of an “obj
ect file” system, which is recruited by visual processes involved in
the selection and tracking of individual objects. Moreover, several theoris
ts have proposed that the object file system internalizes principles that s
pecify what counts as an object, and that it relies on these principles in
order to track an object over time. In virtue of internalizing these princi
ples, the object file system is purportedly “keyed” or “t
uned” to a particular kind of entity.
In this talk I’ll consider a recent view of this kind, found in
Tyler Burge (2010) and Susan Carey (2009), according to which mid-level vis
ion selects and tracks objects in accordance with the principles of thre
e-dimensionality and cohesion. I contrast the approach found in
Burge and Carey with a different view, found in the work of a number of vis
ion scientists, on which the visual system selects and tracks objects in ac
cordance with familiar Gestalt criteria of perceptual organization. I&rsquo
;ll show that the criteria of perceptual organization are, in general, far
more permissive than the three-dimensionality and cohesion principles&mdash
;more objects satisfy the former principles than satisfy the latter. Thus,
I call Burge and Carey’s position the Restrictive View, and I
call the alternative position the Permissive View.
I’ll argue that the available evidence (including the evidence often cited in support of the Restrictive View) is consistent with, and may even support, the Permissive View. Critically, processes of s election and tracking in mid-level vision appear not to impose a three-dime nsionality requirement, and there is little evidence that they make a sharp distinction between discrete, cohesive objects and perceptual groups. I th en argue that work on the visual selection and tracking of so-called &ldquo ;nonmaterial” entities, such as holes and negative parts (i.e., &ldqu o;bites” or “indentations” out of a figure), may supply f urther support for the Permissive View over its more restrictive competitor .
CONTACT:E. J. Green X-EXTRAINFO:E. J. Green (https://sites.google.com/site/greenedwinj/) DTSTAMP:20240329T104642 DTSTART;TZID=America/New_York:20150910T130000 DTEND;TZID=America/New_York:20150910T140000 SEQUENCE:0 TRANSP:OPAQUE END:VEVENT END:VCALENDAR