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Age Differences in Cognitive Control Measured by Conflict Adaptation Effects

  • THE KOREAN JOURNAL OF DEVELOPMENTAL PSYCHOLOGY
  • 2015, 28(3), pp.171-187
  • Publisher : The Korean Society For Developmental Psychology
  • Research Area : Social Science > Psychological Science

박현진 1 Kim, Chobok 2 Park, Young Shin 2

1부산아동심리센터
2경북대학교

Accredited

ABSTRACT

This study aimed to investigate age differences in cognitive control. Participants were 49 7- to 12-year-old children and 37 adults, who performed a computerized Stroop task. Stroop effects and conflict adaptation effects were calculated. First, children showed larger Stroop effects than did adults for error rates and reaction times, whereas the two groups showed similar levels of Stroop effects for the percentage of reaction times. Second, children didn't show conflict adaptation effects for errors, reaction times and the percentage of reaction times, whereas adults showed conflict adaptation effects for reaction times and the percentage of reaction times. Third, two types of conflict adaptation effects were analyzed separately. Children and adults displayed a similar level of congruent adaptation effect, whereas only adults showed an incongruent adaptation effect. Even in children, cognitive control, which facilitates a goal-relevant response for better performance, reached adult levels, but the cognitive control that inhibits goal-irrelevant response was present only in adults.

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