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An Experimental Test of Residual Capacity Hypothesis in the Recognition of Non-Target Shape : 비표적 형태의 재인에서 잔여용량설의 실험적 검증

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Authors
김희정
Advisor
박주용
Major
심리학과
Issue Date
2012-02
Publisher
서울대학교 대학원
Description
학위논문 (석사)-- 서울대학교 대학원 : 심리학과, 2012. 2. 박주용.
Abstract
The present study explored whether non-target shapes in an inattention state could be processed by residual capacity. A residual capacity hypothesis (Cho & Kim, 2010) assumed that if portions of capacity remained after target processing, it could be involuntarily allocated to the processing of non-target, resulting in its recognition.
Experiment 1 of the present study established that non-targets were recognized with an intention to generate associates to the target shape. This result supported a prediction generated from the hypothesis that a non-target shape could be processed by the residual capacity. To check the possibility that attention control of the target shape could fail in Experiment 1, that is, both a target and a non-target being simultaneously attended, one target and two-non-target shapes overlapped in the display were presented in Experiments 2A and 2B. To examine the residual capacity model that assumes a sequential allocation of capacity as implied by the notion of residual capacity, two types of overlapping non-targets- same and different shapes- were used. If the failure of attention control of the target were the cause of non-target processing, the non-targets recognition should be similar between the same and different non-target conditions. The non-target shapes were recognized in Experiments 2A and 2B and, more importantly, the same non-targets condition produced larger recognition rates than did the different non-targets condition (the non-target repetition effect). Experiment 3 examined further whether non-target recognition could be caused by divided attention to both the target and the non-target shapes. By varying the exposure durations of the display, it was found that unlike the prediction generated from the divided attention hypothesis, non-target recognition requires at least 1 second of display exposure which should allow a residual capacity to process the non-target shape after the target processing.
Three experiments demonstrated that the divided attention hypothesis was rejected by the non-target repetition effect and also by the exposure duration effect. The pattern of results in the present study supports the basic assumptions of the residual capacity hypothesis regarding the perception of ignored non-target shape.
Language
eng
URI
https://hdl.handle.net/10371/155145

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College of Social Sciences (사회과학대학)Dept. of Psychology (심리학과)Theses (Master's Degree_심리학과)
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