The Evolution of Information processing throughout the lifespan: an essay

Information processing is used by cognitive scientists to explain how individuals perceive, analyze, and remember information. Information processing perspectives assume that human cognitive abilities improve gradually and continue to improve over someone’s lifetime. When the brain grows and interacts with the environment, mental skills turn into complex functions. This essay will examine the processing systems shift across childhood, adolescence, adulthood, and late adulthood. During early childhood, the focus is on primitive abilities such as noticing, storing, and gathering information. As noted in the Lumen Lifespan Development resource, brain maturation during this period of life allows for gradual improvement of thinking abilities. A critical development in childhood is the system that supports‘familiarity’: the semantic memory system. This records combinations of features that repeatedly occur in a child’s environment. (Often & Shing, 2013). This memory system formation allows children to recognize patterns even before they can remember specific details. However, children have a limited working memory capacity, and their processing speeds are lower compared to those of older individuals.

Adolescence is a period of rapid cognitive improvement. The processing speed improves drastically between the ages of five and middle adolescence, eventually leveling off around fifteen. According to the Lumen resource, adolescents become planful and more flexible in their strategies. They show improvements with the ability to focus on one stimulus while tuning out the others. Adolescents begin to successfully monitor their own cognitive activity, which allows for more complex problem solving and the ability to think about abstract concepts more effectively. By adulthood, information processing systems are at their peak in terms of speed and capacity. Adults possess a highly developed ability to switch between different cognitive systems with flexibility. The adult memory system is not a single entity, but a network of multiple systems, which includes the episodic system (specific events) and the semantic system (general knowledge). (Ofen & Shing, 2013). Adults are highly capable of using these systems in tandem to manage the demands of their professional and personal lives. They have benefited from years of environmental interactions that aided in the development of effective processing strategies.

In late adulthood, changes in specific neural regions, such as the medial temporal lobe and the prefrontal cortex, lead to shifts in how memory systems function. It affects the flexibility of the memory systems. (Ofen & Shing, 2013). While there is a decline in raw processing speed and working memory capacity, older generations often compensate through attentional modulation. It’s found that older adults utilize value-directed remembering. Although they may remember fewer items than younger adults, they often are better at remembering important things. (Castel et al., 2011).

Information processing is a lifelong journey. 

From the initial maturation of brain structures in childhood to the adaptations of adulthood, the human mind always adjusts how it handles information. Speed may diminish over time, but the shift from building basic familiarity to managing complex, value-directed memory systems ensures individuals remain cognitively functional throughout their lives.

Works Cited

Castel, A. D., Humphreys, K. L., Lee, S. S., Galván, A., Balota, D. A., & McCabe, D. P. (2011, November). The development of memory efficiency and value-directed remembering across the Life Span: A cross-sectional study of memory and selectivity.

Developmental psychology. https://pmc.ncbi.nlm.nih.gov/articles/PMC3312745/

Lifespan development. Lumen. (n.d.-a). https://courses.lumenlearning.com/suny- hvcc-lifespandevelopment4/chapter/information-processing- theory/#:~:text=Adolescents%20think%20more%20quickly%20than,between%20late%2 0adolescence%20and%20adulthood.

Ofen, N., & Shing, Y. L. (2013). From perception to memory: Changes in memory systems across the lifespan. Neuroscience & Biobehavioral Reviews. https://www.med.upenn.edu/pmi/events/https-www-sciencedirect-com-science-article- abs-pii-s1047847720300046-via-3dihub