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[ subject:"Psychology, Clinical." ]
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The Role of Contextual Associations ...
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Sulman, Noah.
The Role of Contextual Associations in the Selection of Objects.
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
書名/作者:
The Role of Contextual Associations in the Selection of Objects.
作者:
Sulman, Noah.
面頁冊數:
190 p.
附註:
Source: Dissertation Abstracts International, Volume: 72-06, Section: B, page: 3741.
Contained By:
Dissertation Abstracts International72-06B.
標題:
Psychology, Behavioral.
標題:
Psychology, Clinical.
標題:
Computer Science.
ISBN:
9781124590851
摘要、提要註:
This paper describes a sequence of experiments addressing basic questions about the control of visual attention and the relationship between attention and object recognition. This work reviews compelling findings addressing attentional control on the basis of high-level perceptual properties. In five experiments observers were presented with a rapid sequence of object photographs and instructed to either detect or selectively encode a verbally cued object category. When these object categories (e.g. "baseball") were preceded by contextual images associated with a given object category (e.g. "baseball diamond"), observers were less likely to accurately report information about the target item. This effect obtained with both detection and discrimination measures. This evidence of attentional capture is particularly strong because associated contexts typically enhance object detection or discrimination, whereas here they harmed performance. These findings demonstrate that observers use relatively abstract and elaborated representations when selecting visual objects on the basis of category. Further, even when observers attempt to ignore depictions of associated contexts these images engage perceptual processing. That is, while participants were able to determine the target of their search categorically, they had relatively little control over the specific types of representations and information employed when performing an object search task. After reviewing these five experiments, conclusions regarding the use of object-context association knowledge in vision are addressed.
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3450431
The Role of Contextual Associations in the Selection of Objects.
Sulman, Noah.
The Role of Contextual Associations in the Selection of Objects.
- 190 p.
Source: Dissertation Abstracts International, Volume: 72-06, Section: B, page: 3741.
Thesis (Ph.D.)--University of South Florida, 2011.
This paper describes a sequence of experiments addressing basic questions about the control of visual attention and the relationship between attention and object recognition. This work reviews compelling findings addressing attentional control on the basis of high-level perceptual properties. In five experiments observers were presented with a rapid sequence of object photographs and instructed to either detect or selectively encode a verbally cued object category. When these object categories (e.g. "baseball") were preceded by contextual images associated with a given object category (e.g. "baseball diamond"), observers were less likely to accurately report information about the target item. This effect obtained with both detection and discrimination measures. This evidence of attentional capture is particularly strong because associated contexts typically enhance object detection or discrimination, whereas here they harmed performance. These findings demonstrate that observers use relatively abstract and elaborated representations when selecting visual objects on the basis of category. Further, even when observers attempt to ignore depictions of associated contexts these images engage perceptual processing. That is, while participants were able to determine the target of their search categorically, they had relatively little control over the specific types of representations and information employed when performing an object search task. After reviewing these five experiments, conclusions regarding the use of object-context association knowledge in vision are addressed.
ISBN: 9781124590851Subjects--Topical Terms:
423442
Psychology, Behavioral.
The Role of Contextual Associations in the Selection of Objects.
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This paper describes a sequence of experiments addressing basic questions about the control of visual attention and the relationship between attention and object recognition. This work reviews compelling findings addressing attentional control on the basis of high-level perceptual properties. In five experiments observers were presented with a rapid sequence of object photographs and instructed to either detect or selectively encode a verbally cued object category. When these object categories (e.g. "baseball") were preceded by contextual images associated with a given object category (e.g. "baseball diamond"), observers were less likely to accurately report information about the target item. This effect obtained with both detection and discrimination measures. This evidence of attentional capture is particularly strong because associated contexts typically enhance object detection or discrimination, whereas here they harmed performance. These findings demonstrate that observers use relatively abstract and elaborated representations when selecting visual objects on the basis of category. Further, even when observers attempt to ignore depictions of associated contexts these images engage perceptual processing. That is, while participants were able to determine the target of their search categorically, they had relatively little control over the specific types of representations and information employed when performing an object search task. After reviewing these five experiments, conclusions regarding the use of object-context association knowledge in vision are addressed.
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http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3450431
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