Related Experiment Video
Updated: Jun 21, 2026

07:01
Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
[Age-related changes in processing and retention in visual working memory on the N-back task]
Mitsunobu Kunimi1, Junko Matsukawa
1Department of Psychology, Faculty of Humanities, Jin-ai University, Ohte-machi, Echizen 915-8586, Japan. m.923@mac.com
Shinrigaku Kenkyu : the Japanese Journal of Psychology
|July 30, 2009
Summary
Older adults show declines in visual working memory, particularly in processing speed. This study reveals distinct age-related changes in simple versus processive retention functions.
Area of Science:
- Cognitive Neuroscience
- Psychology
Context:
- Investigating age-related cognitive decline is crucial for understanding healthy aging.
- Visual working memory is essential for daily tasks and is susceptible to aging effects.
Purpose:
- To examine age-related changes in visual working memory processing and retention.
- To differentiate the impact of aging on simple versus processive retention functions.
Summary:
- This study used non-verbal visual stimuli and the N-back task to assess visual working memory in adults aged 20s to 70s.
- Performance on the 0-back task (simple retention) showed a sharp decline in the 60s, while the 1-back task (processive retention) exhibited a linear decrease from the 30s.
- Results indicate that aging-related visual working memory deficits are linked to reduced processing speed.
Impact:
- Findings suggest that distinct components of working memory are differentially affected by aging.
- Highlights the importance of processing speed in age-related working memory decline.
- Informs potential interventions for maintaining cognitive function in older adults.

