Factors regulating the bottom-up guidance of overt visual attention under natural conditions

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Titel: Factors regulating the bottom-up guidance of overt visual attention under natural conditions
Autor(en): Acik, Alper
Erstgutachter: Prof. Dr. Peter König
Zweitgutachter: Prof. Dr. Wolfgang Einhäuser-Treyer
Prof. Dr. Gordon Pipa
Zusammenfassung: The main goal of the present thesis is to contribute to the study of overt visual attention under natural conditions. All publications included in the thesis employ eye-tracking methodology and local image feature analysis. The particular scientific question posed, if all parts of the thesis are considered together, can be formulated as: What experimental (i.e. experimenter controlled) and pseudo-experimental (e.g. demographic characteristics such as age) variables define, quantify and set limits for bottom-up determinants of fixation election? In this summary, I will bring together the answers to this question obtained during the course of the thesis and try to elucidate their significance in relation to the puzzles and riddles of eye movement research. After presenting an overview of the field, I will show how and to what extent fixation selection is altered as a function of age and as certain stimulus components are modified. Finally, I will argue that visual attention involves varying degrees of reliance on bottom-up cues according to the attending agent’s knowledge that is relevant in a given context.
URL: https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2015062213265
Schlagworte: Overt attention; Eye movements; Bottom-up processing; Top-down processing
Erscheinungsdatum: 22-Jun-2015
Lizenzbezeichnung: Namensnennung-Nicht-kommerziell 3.0 Unported
URL der Lizenz: http://creativecommons.org/licenses/by-nc/3.0/
Publikationstyp: Dissertation oder Habilitation [doctoralThesis]
Enthalten in den Sammlungen:FB08 - E-Dissertationen

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