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Memory Updating and Mental Arithmetic.

Cheng-Ching Han1, Tsung-Han Yang2, Chia-Yuan Lin3

  • 1Department of Psychology, National Chengchi UniversityTaipei, Taiwan; Research Center for Testing and Assessment, National Academy for Educational ResearchNew Taipei City, Taiwan.

Frontiers in Psychology
|February 13, 2016
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Summary
This summary is machine-generated.

Working memory updating, particularly for numerical information, is crucial for complex mental calculation skills like multidigit mental multiplication (MMM). Domain-general updating abilities also play a role, especially in more challenging arithmetic tasks.

Keywords:
domain-general updating abilitydomain-specific updating abilitymultidigit mental multiplicationtask difficultyupdating working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Educational Psychology

Background:

  • Working memory is essential for complex cognitive tasks.
  • The role of memory updating in mathematical abilities is not fully understood.
  • Distinguishing between domain-general and domain-specific updating is key.

Purpose of the Study:

  • To investigate whether domain-general or numerical memory updating predicts calculation skills.
  • To determine the specific updating abilities underlying multidigit mental multiplication (MMM).
  • To clarify the relationship between working memory updating and mental arithmetic performance.

Main Methods:

  • Participants performed multidigit mental multiplication (MMM) as a measure of calculation skill.
  • Two experiments assessed performance on various memory updating tasks (numerical, spatial, verbal).
  • Statistical analyses examined the predictive power of different updating tasks on MMM performance.

Main Results:

  • Numerical updating after addition (MUcalc) predicted MMM performance in Experiment 1.
  • Both MUcalc and a spatial updating task predicted MMM performance for difficult problems in Experiment 2.
  • Other updating tasks (verbal, non-calculation numerical) did not predict MMM performance.

Conclusions:

  • Specific numerical and spatial updating abilities are important for mental arithmetic.
  • Working memory updating processes are critical for supporting mental calculation in adults.
  • The findings highlight the domain-specific and general cognitive mechanisms involved in mathematical skills.