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  • P-ISSN1226-9654
  • E-ISSN2733-466X
  • KCI

ISSN : 1226-9654

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논문 투고

Vol.26 No.4

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정서 자극에 대한 의식 여부가 크기 지각에 미치는 영향

Effects of Conscious and Unconscious Emotional Stimuli on Size Perception

한국심리학회지: 인지 및 생물 / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2014, v.26 no.4, pp.273-294
https://doi.org/10.22172/cogbio.2014.26.4.004
김경아 (연세대학교)
김민식 (연세대학교)
김경아, & 김민식. (2014). 정서 자극에 대한 의식 여부가 크기 지각에 미치는 영향. 한국심리학회지: 인지 및 생물, 26(4), 273-294, https://doi.org/10.22172/cogbio.2014.26.4.004

초록

정서는 정보 처리 속도를 향상시키기도 하지만 지각적 편향(perceptual bias)을 일으키기도 한다(예, Anderson & Phelps, 2001). 거리, 시간, 크기 등 여러 지각적 편향을 일으키는 정서 자극에 대한 지금까지의 연구들은 의식적으로 지각 가능한 정서 자극을 사용해 왔다. 기존 연구와 달리 본 연구에서는 의식적 수준이 이르지 못하는 정서 자극이 크기 지각에 미치는 영향을 알아보고자 2개의 실험을 실시하였다. 실험 1에서는 의식적으로 자각할 수 있는 정서 자극이 이후에 제시되는 자극의 크기 지각에 미치는 영향을 측정하였다. 실험 결과, 부정적인 정서자극이 긍정 혹은 중립적인 정서 자극보다 후행하는 자극을 더 크게 지각하게 만드는 지각 편향 현상이 나타났다. 실험 2에서는 정서 자극을 역치 이하로 제시하여 의식적으로 자각할 수 없는 정서 자극이 크기 지각에 미치는 효과를 관찰하였다. 실험 결과, 의식적 자각이 불가능한 부정적 정서 자극이 선행하는 경우, 후행하는 자극 크기에 대한 지각 판단의 변산성이 크게 증가하는 것으로 나타났다. 이러한 결과는 정서가 크기 지각에 영향을 미치고 있을 뿐 아니라, 정서가(valence)에 대한 의식적 처리와 무의식적 처리가 크기 지각이나 크기 판단에 다른 방식으로 영향을 줄 수 있음을 시사한다.

keywords
정서, 크기 지각, 의식, 무자각, Emotion, Size perception, Consciousness, Unawareness

Abstract

Research has shown that not only can emotion enhance the processing speed of information, but also cause perceptual biases (e.g. distance, size, time, etc). Previous studies investigated perceptual biases when subjects were consciously exposed to emotion stimuli. In the current study, however, using a size judgment task, we investigated how unconsciously presented emotion stimuli (i.e. do not reach conscious awareness) affect size perception. In Experiment 1, we measured the effects of conscious emotion stimuli on the perceived size of subsequently presented stimuli. The results showed that subjects estimated the size of the subsequently presented stimuli to be larger when preceded by negative emotional stimuli, compared to when preceded by neutral or positive stimuli. Thus only the negative emotion elicited perceptual bias on size perception. In Experiment 2, we measured the effects of unconsciously presented emotion stimuli on size perception of subsequent stimuli. While our results were not identical to that of Experiment 1, the data showed that negative emotion increases variance in size perception of the subsequent stimulus compared to that of neutral and positive emotion. In conclusion, through two experiments, the data indicates that the conscious and unconscious processes of emotion can affect size perception or size judgment in different ways.

keywords
정서, 크기 지각, 의식, 무자각, Emotion, Size perception, Consciousness, Unawareness

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