How aging shapes attention: Separating cognitive control from cognitive decline
Samantha R Good1, Paris Yuexiao Wang1, Alice Ba1
1Department of Psychology, University of British Columbia.
Summary
Cognitive attention involves distinct networks that change uniquely with age, not uniformly. Spatial orienting enhances executive control, and measurement choices impact aging research findings.
Area of Science:
- Cognitive neuroscience
- Developmental psychology
- Gerontology
Background:
- Attention is a complex cognitive function comprising multiple interacting networks.
- These networks, including alerting, orienting, and executive control, exhibit age-related changes.
- Understanding the distinct developmental trajectories of these networks is crucial for cognitive aging research.
Purpose of the Study:
- To investigate the unique developmental trajectories of alerting, orienting, and executive control networks across the lifespan.
- To examine the interaction between spatial orienting and executive control in modulating cognitive performance.
- To highlight the impact of measurement assumptions on interpreting executive control changes in aging.
Main Methods:
- Utilized data from the Combined Attention Systems Test.
- Analyzed age-related changes in distinct attention networks (alerting, orienting, executive control).
- Assessed the influence of spatial orienting on executive control using flanker tasks and considered both reaction time and accuracy metrics.
Main Results:
- Attention networks demonstrate dissociable developmental trajectories with age, challenging uniform decline models.
- Spatial orienting (exogenous and endogenous) was found to modulate executive control, mitigating conflict in flanker tasks.
- Executive control assessment revealed age-related decline based on reaction time alone, but stability or improvement when accuracy was factored in.
Conclusions:
- Cognitive aging of attention is characterized by distinct network changes rather than a uniform decline.
- Interactions between attention networks, such as orienting influencing executive control, are vital for cognitive function.
- Careful consideration of measurement methods and cohort effects is essential for accurate interpretation of neurocognitive aging.
Related Concept Videos
01:30Cognitive Development During Adulthood
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
01:26Aging
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
01:30Information Processing Approach
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...
01:24Revisionist Views of Adolescent and Adult Cognition
A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are themselves.
01:19The Effect of Aging on Tissues
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
01:19High-Level and Low-Level Awareness
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...