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  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
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  • P-ISSN1226-9654
  • E-ISSN2733-466X
  • KCI

ISSN : 1226-9654

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Vol.29 No.3

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수 정보 처리 능력과 시공간적 작업기억이 수-공간 연합에 미치는 영향

The Influence of Numerical Processing Ability and Visuospatial Working Memory on Number-Space Association

한국심리학회지: 인지 및 생물 / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2017, v.29 no.3, pp.323-330
https://doi.org/10.22172/cogbio.2017.29.3.007
이경민 (중앙대학교)
조수현 (중앙대학교)
이경민, & 조수현. (2017). 수 정보 처리 능력과 시공간적 작업기억이 수-공간 연합에 미치는 영향. 한국심리학회지: 인지 및 생물, 29(3), 323-330, https://doi.org/10.22172/cogbio.2017.29.3.007

초록

SNARC(Spatial-Numerical Association of Response Codes) 효과란, 보편적으로 작은 수는 왼쪽 공간에서, 큰 수는 오른쪽 공간에서 반응이 이루어질 때 수행이 더 좋아지는 현상으로서, 수와 공간의 연합을 반영하는 대표적인 현상이다. 최근 연구들은 수학 전공자와 시공간 능력이 우수한 집단에서는 SNARC 효과가 작게 관찰된다고 보고하였다. 본 연구에서는 수학적 인지 발달의 기초적 능력인 수량 변별 능력과 시공간적 작업 기억이 우수한 집단에서 SNARC 효과가 작게 나타나는지를 검증하였다. 연구 결과, 수량 변별 민감도로 측정한 기초 수 정보 처리 능력이 낮은 집단에서만 SNARC 효과가 관찰되었다. 또한, 심적 회전을 포함한 회전 폭 과제의 수행을 통해 측정한 시공간적 작업기억이 낮은 집단에서만 SNARC 효과가 관찰되었다. 반면, 언어적 작업 기억을 기준으로 집단을 나누었을 때에는 집단 간에 SNARC 효과의 차이가 없었다. 이러한 결과는 기초 수 인지 능력 및 시공간 작업 기억이 우수한 사람들은 수와 공간 간의 연합이 목표와 맥락에 따라 유동적일 가능성을 시사한다.

keywords
SNARC effect, number acuity, number-space association, number comparison, visuospatial working memory, SNARC 효과, 수량 변별 민감도, 수-공간 연합, 수량 비교, 시공간적 작업기억

Abstract

The SNARC(Spatial-Numerical Association of Response Codes) effect refers to the phenomenon that relatively smaller vs. larger numbers are processed more efficiently in the left vs. right side of space, respectively. The SNARC effect is a representative case of the number-space association. In relation to recent reports of a reduced SNARC effect in the mathematically skilled and high visuospatial ability groups, the present study examined whether individuals with high number acuity and visuospatial working memory capacity manifest a small SNARC effect. Number acuity refers to the sensitivity for the discrimination of numerosity which is thought to serve as one of the foundations for numerical cognition. Our results showed that a SNARC effect was observed only in the groups with low number acuity and visuospatial working memory. In contrast, there were no difference in the size of the SNARC effect between groups high and low in verbal working memory. These results suggest that individuals with high number acuity and visuospatial working memory may have a more flexible association between number and space depending on the task goal and context.

keywords
SNARC effect, number acuity, number-space association, number comparison, visuospatial working memory, SNARC 효과, 수량 변별 민감도, 수-공간 연합, 수량 비교, 시공간적 작업기억

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한국심리학회지: 인지 및 생물

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