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Sunday, April 23, 2023

Cognitive Psychology: Short Term Memory; Working Memory

(CP- 17) Short-Term Memory: Working Memory



Abstract: This article discusses working memory, which is the ability of the brain to temporarily store and manipulate a limited amount of information. Working memory is crucial in daily life as it helps us perform complex cognitive tasks such as problem-solving, decision-making, and language comprehension. This article explores the components of working memory, including the central executive, the phonological loop, and the visuospatial sketchpad, as well as the factors that affect working memory such as age, stress, fatigue, and distractions. The article also discusses strategies for improving working memory, including chunking, visualization, and rehearsal. Additionally, working memory has practical applications in education, language learning, and job performance. Finally, the article highlights the significance of working memory in cognitive psychology, its relationship with neurological and psychological disorders, and the role it plays in understanding underlying mechanisms and developing effective treatments.Top of Form

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Introduction: Memory is a critical component of human cognition. It is the ability of the brain to store, retain, and retrieve information. After sensory memory, the memory can be divided into two broad categories - long-term memory and short-term memory. Short-term memory, also known as working memory, plays a crucial role in our day-to-day lives by helping us to maintain and manipulate information over short periods. This article will focus on working memory and its significance in cognitive psychology.

Working Memory: Working memory is the ability of the brain to hold and manipulate a limited amount of information in a temporary storage system. Working memory allows us to keep information in our minds for a short time, so we can use it to perform complex cognitive tasks such as problem-solving, decision-making, language comprehension, and learning. It involves several cognitive processes that work together, including attention, encoding, retention, and retrieval.

Components of Working Memory: Working memory consists of three main components.

  1. The Central Executive: The central executive is the most crucial component of working memory. It is responsible for controlling and coordinating all cognitive processes, including attention, inhibition, and switching. It allocates resources to other components of working memory and manages the flow of information in and out of working memory.
  2. The Phonological Loop: The phonological loop is responsible for storing and manipulating verbal and auditory information. It is further divided into two subcomponents: the phonological store, which holds auditory information for a short period, and the articulatory rehearsal process, which helps to maintain and rehearse information in the phonological store.
  3. The Visuospatial Sketchpad: The visuospatial sketchpad is responsible for storing and manipulating visual and spatial information. It allows us to visualize objects and locations in our minds and manipulate them to perform complex cognitive tasks.

Working Memory Capacity: Working memory has a limited capacity, and its capacity varies from person to person. The average person can hold around seven pieces of information in their working memory simultaneously. However, some people have a higher working memory capacity than others. Working memory capacity can be improved through training and practice, such as playing memory games or engaging in complex cognitive tasks.

Working Memory and Cognitive Psychology: Working memory plays a significant role in cognitive psychology. It helps researchers understand how people process and manipulate information in their minds. Working memory deficits are common in many neurological and psychological disorders, including attention-deficit/hyperactivity disorder (ADHD), traumatic brain injury, and schizophrenia. Studying working memory can help researchers better understand the underlying mechanisms of these disorders and develop effective treatments.

Factors Affecting Working Memory: Several factors can affect working memory, including age, stress, fatigue, and distractions. As we age, our working memory capacity tends to decline, making it more difficult to perform complex cognitive tasks. Stress and fatigue can also impair working memory, making it harder to retain and manipulate information in our minds. Distractions can also interfere with working memory by diverting attention away from the task at hand and disrupting the flow of information in and out of working memory.

Working Memory Strategies: Several strategies can be used to improve working memory performance, including chunking, visualization, and rehearsal.

·         Chunking involves grouping information into smaller, more manageable chunks, making it easier to remember and manipulate.

·         Visualization involves creating mental images to help remember information.

·         Rehearsal involves repeating information to help maintain it in working memory.

These strategies can be particularly useful when dealing with complex information or when working under stressful or distracting conditions.

Applications of Working Memory: Working memory has several practical applications in everyday life, including education, language learning, and job performance. By understanding how working memory works, educators can design more effective teaching methods that help students retain and manipulate information more effectively. Language learners can also use working memory strategies to improve their language skills, such as visualizing new words or rehearsing them in their minds. In the workplace, workers with high working memory capacity tend to perform better on complex tasks, making them more valuable to employers.

Conclusion: In conclusion, working memory is a critical component of human cognition that plays a crucial role in our ability to perform complex cognitive tasks. It involves several components, including the central executive, the phonological loop, and the visuospatial sketchpad, and can be affected by various factors such as age, stress, fatigue, and distractions. By understanding how working memory works and developing effective strategies for improving working memory performance, we can improve our cognitive abilities and achieve greater success in many areas of life.

References: 

  1. Anderson, J. R. (1983). The architecture of cognition. Harvard University Press.
  2. Baddeley, A. D. (1992). Working memory. Science, 255(5044), 556-559.
  3. Baddeley, A. D., & Hitch, G. (1974). Working memory. Psychology of learning and motivation, 8, 47-89.
  4. Barrouillet, P., Portrat, S., & Camos, V. (2011). On the law relating processing to storage in working memory. Psychological Review, 118(2), 175-192.
  5. Borella, E., Carretti, B., & Pelegrina, S. (2010). The specific role of inhibition in reading comprehension in good and poor comprehenders. Journal of Learning Disabilities, 43(6), 541-552.
  6. Conway, A. R., Kane, M. J., Bunting, M. F., Hambrick, D. Z., Wilhelm, O., & Engle, R. W. (2005). Working memory span tasks: A methodological review and user’s guide. Psychonomic Bulletin & Review, 12(5), 769-786.
  7. Cowan, N. (2005). Working memory capacity. Psychology Press.
  8. Daneman, M., & Carpenter, P. A. (1980). Individual differences in working memory and reading. Journal of Verbal Learning and Verbal Behavior, 19(4), 450-466.
  9. Engle, R. W., Tuholski, S. W., Laughlin, J. E., & Conway, A. R. (1999). Working memory, short-term memory, and general fluid intelligence: a latent-variable approach. Journal of experimental psychology: General, 128(3), 309-331.
  10. Ericsson, K. A., & Kintsch, W. (1995). Long-term working memory. Psychological Review, 102(2), 211-245.
  11. Gathercole, S. E., & Alloway, T. P. (2008). Working memory and learning: A practical guide for teachers. Sage.
  12. Gathercole, S. E., Alloway, T. P., Willis, C., & Adams, A. M. (2006). Working memory in children with reading disabilities. Journal of Experimental Child Psychology, 93(3), 265-281.
  13. Just, M. A., & Carpenter, P. A. (1992). A capacity theory of comprehension: Individual differences in working memory. Psychological Review, 99(1), 122-149.
  14. Kane, M. J., Conway, A. R., Miura, T. K., & Colflesh, G. J. (2007). Working memory, attention control, and the N-back task: a question of construct validity. Journal of experimental psychology: Learning, Memory, and Cognition, 33(3), 615-622.
  15. Klingberg, T. (2010). Training and plasticity of working memory. Trends in cognitive sciences, 14(7), 317-324.
  16. Logie, R. H. (2011). The functional organization and capacity limits of working memory. Current Directions in Psychological Science, 20(4), 240-245.
  17. Maybery, M. T., & Badcock, D. R. (2019). Recent advances in understanding the cognitive underpinnings of developmental disorders: Introduction to the special issue. Journal of Experimental Psychology: General, 148
  1. McVay, J. C., & Kane, M. J. (2012). Drifting from slow to “d’oh!”: Working memory capacity and mind wandering predict extreme reaction times and executive control errors. Journal of Experimental Psychology: Learning, Memory, and Cognition, 38(3), 525-549.
  2. Miyake, A., & Shah, P. (Eds.). (1999). Models of working memory: Mechanisms of active maintenance and executive control. Cambridge University Press.
  3. Miyake, A., Friedman, N. P., Emerson, M. J., Witzki, A. H., Howerter, A., & Wager, T. D. (2000). The unity and diversity of executive functions and their contributions to complex “frontal lobe” tasks: a latent variable analysis. Cognitive psychology, 41(1), 49-100.
  4. Oberauer, K., & Kliegl, R. (2006). A formal model of capacity limits in working memory. Journal of Memory and Language, 55(4), 601-626.
  5. Papagno, C., & Vallar, G. (2015). Working memory deficits in dyslexia: Relevance of phonological and visuospatial processes. Dyslexia, 21(4), 267-275.
  6. Redick, T. S., Shipstead, Z., Harrison, T. L., Hicks, K. L., Fried, D. E., Hambrick, D. Z., … & Engle, R. W. (2013). No evidence of intelligence improvement after working memory training: A randomized, placebo-controlled study. Journal of Experimental Psychology: General, 142(2), 359-379.
  7. Shah, P., & Miyake, A. (Eds.). (2005). The Cambridge Handbook of Visuospatial Thinking. Cambridge University Press.
  8. Shipstead, Z., Redick, T. S., & Engle, R. W. (2012). Is working memory training effective? Psychological bulletin, 138(4), 628-654.
  9. Unsworth, N., & Engle, R. W. (2007). The nature of individual differences in working memory capacity: active maintenance in primary memory and controlled search from secondary memory. Psychological review, 114(1), 104-132.
  10. Vogel, E. K., & Machizawa, M. G. (2004). Neural activity predicts individual differences in visual working memory capacity. Nature, 428(6984), 748-751.
  11. Wang, Y., Gamo, N. J., Yang, Y., Jin, L. E., Wang, X. J., Laubach, M., & Arnsten, A. F. (2011). Neuronal basis of age-related working memory decline. Nature, 476(7359), 210-213.
  12. Westerberg, H., & Klingberg, T. (2007). Changes in cortical activity after training of working memory–a single-subject analysis. Physiology & behavior, 92(1-2), 186-192. 

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