Paczyński–Wiita potential: Difference between revisions

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{{expert-subject|Psychology|date=April 2011}}
The '''Theory of indispensable attributes''' (TIA) is a theory in the context of [[perceptual organization|perceptual organisation]] which asks for the functional units and elementary features that are relevant for a [[perceptual system]] in the constitution of perceptual objects. Earlier versions of the theory emerged in the context of an application of research on [[Visual system|vision]] to [[Auditory system|audition]], and analogies between vision and audition were emphasised,<ref>Kubovy, Michael: Concurrent-Pitch Segregation and the Theory of Indispensable Attributes. In: Kubovy, Michael/Pomeranz, James R. (Eds.): Perceptual Organization, Hillsdale, N.J.: Lawrence Erlbaum, 1981, 55–98.</ref>
whereas in more recent writings the necessity of a [[Sensory modality|modality-general]] theory of perceptual organisation and objecthood is stressed.<ref>Kubovy, Michael/Valkenburg, D. Van: ''In defense of the theory of indispensable attributes.'' Cognition 87, 2003, pp. 225–233, here: p. 226.</ref>
 
The subject of perceptual organisation, and with it TIA, constitute a prime example of how [[Gestalt psychology|Gestalt psychological]] ideas have been taken up and kept alive in [[cognitive psychology]].<ref>Kubovy, Michael (1999): ''Gestalt Psychology''. In: Robert A. Wilson/Frank C. Keil (Eds.), The MIT Encyclopedia of the Cognitive Sciences, pp. 346–349.</ref>
 
TIA has been drawn on in the context of music research, in the areas of music philosophy,<ref>Nussbaum, Charles O. (2007): ''The Musical Representation. Meaning , Ontology, and Emotion'', Cambridge, Mass.: MIT Press, pp. 31–32.</ref>
and systematic music theory.<ref>cf. Schmidt, Lüder/Schmidt, Silke/Seifert, Uwe/Gernemann, Andreas: ''Perceptual Organization and Systematic Music Theory: Musical Surface, Auditory Objects, and the Theory of Indispensable Attributes.'' In: Proceedings of the APSCOM Conference Seoul 2005.</ref>
 
== Perceptual grouping ==
Since the perception of objects implies a segregation of some parts of the environment (''figure'') from other parts of the environment (''ground''), a perceptual system will have to rely on certain features in the environment for the aggregation of what goes together. This aggregation is termed ''perceptual grouping'' (PG), and the aim of TIA is the identification of conditions for the occurrence of PG.<ref name="kubovy227">Kubovy, M./Valkenburg, D. Van: "In defense of the theory of indispensable attributes." ''Cognition'' 87, 2003, pp. 225–233, here: p. 227.</ref>
 
PG is considered as a transformation happening between some input and some output. The input <math>\mathcal{E}</math> is considered a set of discrete elements which are distributed over some medium <math>\mathcal{M}</math>. Media are also termed ''indispensable attributes'' (IA). The output PP is termed a ''phenomenal partition'' of <math>\mathcal{E}</math> into subsets, or ''blocks'', E<sub>1</sub>, E<sub>2</sub>, ..., E<sub>m</sub>.<ref name="kubovy227" />
 
The grouping into some block E<sub>i</sub> occurs in reference to at least one feature F<sub>i</sub> from a set of features <math>\mathcal{F}</math>. Kubovy and Van Valkenburg (2003) recommend the following expression for the description of a PP: "... the elements of <math>\mathcal{E}</math> spread over <math>\mathcal{M}</math>, are grouped by <math>\mathcal{F}</math>."<ref name="kubovy227" />
 
== See also ==
* [[Auditory scene analysis]]
* [[Neural processing for individual categories of objects]]
* [[Principles of grouping]]
* [[Structural information theory]]
 
== References ==
{{Reflist}}
 
[[Category:Cognitive psychology]]
[[Category:Grouping]]
[[Category:Perception]]

Latest revision as of 18:02, 20 December 2013

Template:Expert-subject The Theory of indispensable attributes (TIA) is a theory in the context of perceptual organisation which asks for the functional units and elementary features that are relevant for a perceptual system in the constitution of perceptual objects. Earlier versions of the theory emerged in the context of an application of research on vision to audition, and analogies between vision and audition were emphasised,[1] whereas in more recent writings the necessity of a modality-general theory of perceptual organisation and objecthood is stressed.[2]

The subject of perceptual organisation, and with it TIA, constitute a prime example of how Gestalt psychological ideas have been taken up and kept alive in cognitive psychology.[3]

TIA has been drawn on in the context of music research, in the areas of music philosophy,[4] and systematic music theory.[5]

Perceptual grouping

Since the perception of objects implies a segregation of some parts of the environment (figure) from other parts of the environment (ground), a perceptual system will have to rely on certain features in the environment for the aggregation of what goes together. This aggregation is termed perceptual grouping (PG), and the aim of TIA is the identification of conditions for the occurrence of PG.[6]

PG is considered as a transformation happening between some input and some output. The input is considered a set of discrete elements which are distributed over some medium . Media are also termed indispensable attributes (IA). The output PP is termed a phenomenal partition of into subsets, or blocks, E1, E2, ..., Em.[6]

The grouping into some block Ei occurs in reference to at least one feature Fi from a set of features . Kubovy and Van Valkenburg (2003) recommend the following expression for the description of a PP: "... the elements of spread over , are grouped by ."[6]

See also

References

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  1. ↑ Kubovy, Michael: Concurrent-Pitch Segregation and the Theory of Indispensable Attributes. In: Kubovy, Michael/Pomeranz, James R. (Eds.): Perceptual Organization, Hillsdale, N.J.: Lawrence Erlbaum, 1981, 55–98.
  2. ↑ Kubovy, Michael/Valkenburg, D. Van: In defense of the theory of indispensable attributes. Cognition 87, 2003, pp. 225–233, here: p. 226.
  3. ↑ Kubovy, Michael (1999): Gestalt Psychology. In: Robert A. Wilson/Frank C. Keil (Eds.), The MIT Encyclopedia of the Cognitive Sciences, pp. 346–349.
  4. ↑ Nussbaum, Charles O. (2007): The Musical Representation. Meaning , Ontology, and Emotion, Cambridge, Mass.: MIT Press, pp. 31–32.
  5. ↑ cf. Schmidt, Lüder/Schmidt, Silke/Seifert, Uwe/Gernemann, Andreas: Perceptual Organization and Systematic Music Theory: Musical Surface, Auditory Objects, and the Theory of Indispensable Attributes. In: Proceedings of the APSCOM Conference Seoul 2005.
  6. ↑ 6.0 6.1 6.2 Kubovy, M./Valkenburg, D. Van: "In defense of the theory of indispensable attributes." Cognition 87, 2003, pp. 225–233, here: p. 227.
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