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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Eye Movements as a Reflection of Binding in Older Adults

Bloom, Rachel 05 January 2010 (has links)
Theories of age-related memory decline debate whether the problem lies at the level of encoding or consciously accessing information at the level of retrieval. Deficits at encoding may be due to the inability to bind relations among objects. The present research implements eye movement monitoring into an associative memory task to explore age-related memory at encoding and retrieval. Eye movements of older and younger adults are compared. Three solitary items were presented during the study phase, and test responses were whether the spatial relation of these objects to one another was intact or manipulated when subsequently presented all together. Observed differences at the level of encoding in addition to the level of retrieval clarifies that there is not a deficit in consciously accessing encoded representations. Further, differences in relational binding at the level of encoding were observed, which supports the association deficit theory of memory and aging.
2

Eye Movements as a Reflection of Binding in Older Adults

Bloom, Rachel 05 January 2010 (has links)
Theories of age-related memory decline debate whether the problem lies at the level of encoding or consciously accessing information at the level of retrieval. Deficits at encoding may be due to the inability to bind relations among objects. The present research implements eye movement monitoring into an associative memory task to explore age-related memory at encoding and retrieval. Eye movements of older and younger adults are compared. Three solitary items were presented during the study phase, and test responses were whether the spatial relation of these objects to one another was intact or manipulated when subsequently presented all together. Observed differences at the level of encoding in addition to the level of retrieval clarifies that there is not a deficit in consciously accessing encoded representations. Further, differences in relational binding at the level of encoding were observed, which supports the association deficit theory of memory and aging.
3

Examination of Emotion-modulated Processing using Eye Movement Monitoring and Magnetoencephalography

Riggs, Lily 31 August 2012 (has links)
Research shows that emotional items are associated with enhanced processing and memory. However, emotional memories are composed of not only memory for the specific emotion-eliciting item, but also other items associated with it, as well as memory for how these items are related. The current thesis utilized verbal report, eye movement monitoring and magnetoencephalography in order to examine how emotions may influence online processing and memory for associated information. It was found that while emotions influenced attention to both the emotion-eliciting item and associated information during the encoding stage, this was not related to subsequent memory performance as indexed by verbal report. It was also found that while emotions impaired detailed memory for associated information, it did not affect the ease or speed at which those memories could be accessed. In using MEG, it was found that emotions may modulate not only how participants’ view associated information, but it may also modulate the type of representation formed. Together, findings from the current work suggests that: (1) emotions influence online processing and memory for associated information; (2) emotions modulate memory for associated information via routes other than overt attention; (3) encoding and retrieval may occur in stages; and (4) memory exerts early influences on processing. The current work shows that emotions modulate online processing of associated neutral information in a top-down manner, independent of differences in its physical properties. Work from this thesis encourages a reconceptualization of emotion, memory and perception and how they relate to one and another. Rather than viewing them as independent modular processes, they may, in fact, be more widely distributed in the brain and interact more closely than previously described. This may be evolutionarily adaptive allowing us to quickly and efficiently form memories for emotional events/scenes that can later guide perception and behaviour.
4

Examination of Emotion-modulated Processing using Eye Movement Monitoring and Magnetoencephalography

Riggs, Lily 31 August 2012 (has links)
Research shows that emotional items are associated with enhanced processing and memory. However, emotional memories are composed of not only memory for the specific emotion-eliciting item, but also other items associated with it, as well as memory for how these items are related. The current thesis utilized verbal report, eye movement monitoring and magnetoencephalography in order to examine how emotions may influence online processing and memory for associated information. It was found that while emotions influenced attention to both the emotion-eliciting item and associated information during the encoding stage, this was not related to subsequent memory performance as indexed by verbal report. It was also found that while emotions impaired detailed memory for associated information, it did not affect the ease or speed at which those memories could be accessed. In using MEG, it was found that emotions may modulate not only how participants’ view associated information, but it may also modulate the type of representation formed. Together, findings from the current work suggests that: (1) emotions influence online processing and memory for associated information; (2) emotions modulate memory for associated information via routes other than overt attention; (3) encoding and retrieval may occur in stages; and (4) memory exerts early influences on processing. The current work shows that emotions modulate online processing of associated neutral information in a top-down manner, independent of differences in its physical properties. Work from this thesis encourages a reconceptualization of emotion, memory and perception and how they relate to one and another. Rather than viewing them as independent modular processes, they may, in fact, be more widely distributed in the brain and interact more closely than previously described. This may be evolutionarily adaptive allowing us to quickly and efficiently form memories for emotional events/scenes that can later guide perception and behaviour.
5

Analýza chování řidiče při řešení situací spojených s přecházením chodců přes vozovku / Analysis of driver’s conduct during solving of situations associated with pedestrians crossing the road

Maxera, Pavel January 2021 (has links)
The doctoral thesis analyses driver’s conduct while solving situations associated with crossing of pedestrians across the road in cases of various design of pedestrian crossings and at different conditions. The thesis deepens the knowledge of the human factor impact on the occurrence of a traffic accident involved vehicle and pedestrian and thesis also complements knowledge for the needs of the analysis of traffic accidents, especially in solving the pre collision phase and at assessment of possibilities for collision prevention by involved participants. The thesis deals with driver’s conduct, various models of the conduct as well as the thesis focuses on the visual perception, the process of information processing, the driver’s conduct and the reaction time. In terms of the solution suitable types of experiments were designed and implemented. Based on performed measurements a method of processing and evaluating data on drivers’ conduct was found as well as more significant data set was obtained for a detailed analysis of drivers' conduct in different driving situations. The assessed quantities of drivers' conduct were analysed with respect to the dangerousness of driving situations. For these purposes, the categories of the dangerousness of driving situations were defined (situations completely safe, with increased danger, dangerous and critical), into which the analysed driving situations were subsequently included. To enable the quantification of this classification of situations into the categories of the dangerousness, the coefficient of the dangerousness (so called K) was defined. From the detailed analysis of the obtained data, the limit values of this coefficient were determined, and these were subsequently verified using data from the solution of real traffic accidents. Concurrently the analysis verified the suitability of using this hazard coefficient in the analysis of traffic accidents, especially for a detailed assessment of the possibilities of collision prevention.

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