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Updated: Jun 6, 2026

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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
[Study on visual evoked related potentials in young adults of different COMT genotypes by using a numeric working
Chun-lin Yue1, Xue-chuan Sun, Wei-ming Deng
1Institute of Sports Medicine, Soochow University, Suzhou 215021, China.
Summary
COMT Val/Met heterozygote genotype is linked to poorer working memory performance in young adults. This genotype also shows a relationship with P3 event-related potentials during a working memory task.
Area of Science:
- Neuroscience
- Genetics
- Cognitive Psychology
Context:
- Working memory is crucial for cognitive functions.
- The Catechol-O-methyltransferase (COMT) gene influences neurotransmitter levels.
- Individual differences in working memory exist among healthy young adults.
Purpose:
- To investigate the impact of different COMT genotypes on number working memory ability.
- To examine the relationship between COMT polymorphism and cortical physiology during a continuous working memory task.
Summary:
- A continuous 3-back number working memory task was administered to 112 healthy young adults.
- 18 subjects with distinct COMT genotypes were analyzed using P3 event-related potentials.
- Val/Val homozygotes exhibited higher P3 amplitudes than Val/Met heterozygotes, suggesting a genotype-specific neural response.
Impact:
- Val/Met heterozygotes demonstrated the poorest working memory performance.
- Findings indicate a significant association between COMT genotype and P3 visual event-related potentials during demanding working memory tasks.
- This research contributes to understanding the genetic underpinnings of working memory and cognitive processing.
