(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.
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.
- 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.
- 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.
- 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:
- Anderson, J. R. (1983). The
architecture of cognition. Harvard University Press.
- Baddeley, A. D. (1992). Working
memory. Science, 255(5044), 556-559.
- Baddeley, A. D., & Hitch, G.
(1974). Working memory. Psychology of learning and motivation, 8, 47-89.
- Barrouillet, P., Portrat, S.,
& Camos, V. (2011). On the law relating processing to storage in
working memory. Psychological Review, 118(2), 175-192.
- 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.
- 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.
- Cowan, N. (2005). Working memory
capacity. Psychology Press.
- Daneman, M., & Carpenter, P.
A. (1980). Individual differences in working memory and reading. Journal
of Verbal Learning and Verbal Behavior, 19(4), 450-466.
- 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.
- Ericsson, K. A., & Kintsch,
W. (1995). Long-term working memory. Psychological Review, 102(2),
211-245.
- Gathercole, S. E., & Alloway,
T. P. (2008). Working memory and learning: A practical guide for teachers.
Sage.
- 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.
- Just, M. A., & Carpenter, P.
A. (1992). A capacity theory of comprehension: Individual differences in
working memory. Psychological Review, 99(1), 122-149.
- 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.
- Klingberg, T. (2010). Training
and plasticity of working memory. Trends in cognitive sciences, 14(7),
317-324.
- Logie, R. H. (2011). The
functional organization and capacity limits of working memory. Current
Directions in Psychological Science, 20(4), 240-245.
- 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
- 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.
- Miyake, A., & Shah, P.
(Eds.). (1999). Models of working memory: Mechanisms of active maintenance
and executive control. Cambridge University Press.
- 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.
- Oberauer, K., & Kliegl, R.
(2006). A formal model of capacity limits in working memory. Journal of
Memory and Language, 55(4), 601-626.
- Papagno, C., & Vallar, G.
(2015). Working memory deficits in dyslexia: Relevance of phonological and
visuospatial processes. Dyslexia, 21(4), 267-275.
- 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.
- Shah, P., & Miyake, A.
(Eds.). (2005). The Cambridge Handbook of Visuospatial Thinking. Cambridge
University Press.
- Shipstead, Z., Redick, T. S.,
& Engle, R. W. (2012). Is working memory training effective?
Psychological bulletin, 138(4), 628-654.
- 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.
- Vogel, E. K., & Machizawa, M.
G. (2004). Neural activity predicts individual differences in visual
working memory capacity. Nature, 428(6984), 748-751.
- 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.
- 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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