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ISSN : 1226-9654

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Vol.22 No.1

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The Effect of the Inner/Outer Structure Coding on the Perception of Unattended Figure

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2010, v.22 no.1, pp.59-73
https://doi.org/10.22172/cogbio.2010.22.1.005


& (2010). The Effect of the Inner/Outer Structure Coding on the Perception of Unattended Figure. The Korean Journal of Cognitive and Biological Psychology, 22(1), 59-73, https://doi.org/10.22172/cogbio.2010.22.1.005

Abstract

The present study examined the effects of processing an attended figure on the perception of an unattended figure in a two overlapping novel figure task. Rock & Gutman(1981) reported that unattended figures were rarely recognized because of the absence of attention in this task, which was defined as ‘inattentional blindness’'(IB)'. They also suggested that attention processes both the outer and inner structure of an attended figure. To explore whether attention selectively processes the structural features of a novel figure, thus affecting the perception of an unattended figure, we manipulated attentional capacity by two different instructions, the outer structure coding instruction(OSCI) and the inner structure coding instruction(ISCI). It was assumed that depending upon instructions, recognition rates of unattended figures should be varied as the amount of residual capacity would be different after processing the attended figure. In Experiments 1 and 2, participants with the ISCI maintained IB in which the unattended figures were not perceived, whereas participants with the OSCI disengaged from IB, recognizing more than half of the unattended figures. The results show that attention does not carry out the integrated processing of the inner and outer structure of a figure and that IB is primarily determined by attentional capacity and perceptual intention regarding a figure.

keywords
선택적 주의, 무주의 맹, 주의 용량, 지각적 의도, selective attention, Inattentional blindness, attentional capacity, residual capacity, perceptual intention

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