The primary objective of this study was to examine whether verbal and spatial working memory capacity correlates with multitasking efficiency. Other studies have found a relationship between working memory and multi tasking such as Law (2006) whose findings suggested that the central executive and the phonological loop component of working memory were implicated by a test of multitasking.To test this thirty two first year psychology student were used as participants.Several cognitive tests were use to test the different aspects of the working memory. Verbal and spatial working memory was tested using computerised span measures. This consisted of two tests; the verbal working memory was tested by participants having to recall information verbally after processing sentences and spatial awareness was tested using manual response after making spatial judgements. Participants multitasking ability was assessed by using four subtasks with a limited time so they had to swap between tasks (multitask) to complete as much as they could. This test was a modification of a test which was originally used by Burgess et al (2000). The hypothesis was not supported as verbal and spatial working memory scores did not predict multitasking ability. Get Help With Your EssayIf you need assistance with writing your essay, our professional essay writing service is here to help!
Multitasking can greatly reduce one's concentration in handling a task. Individuals in organizations are always under pressure to perform better while at the same time accomplishing multiple tasks at the same time. This causes unnecessary pressure on the individuals. Contrary to popular belief, the human brain cannot multitask. The brain works by pausing and refocusing on a different task; hence, no tasks are handled simultaneously in the brain. Through this process of pausing and refocusing, one loses precious time that would otherwise be spent on focusing on one task. Human multitasking is very beneficial in terms of saving on time and costs required in performing certain tasks. As a matter of fact, multitasking is considered an essential human skill in the contemporary world.
Contrary to popular belief, the human brain cannot multitask. The brain works by pausing and refocusing on a different task; hence, no tasks are handled simultaneously in the brain. Through this process of pausing and refocusing, one loses precious time that would otherwise be spent on focusing on one task. There are three main perceived skills that one acquires from multitasking. These are skimming through information, developing one's memory, and the ability to switch between tasks quickly. However, research indicates that individuals who multitask are very poor in terms of developing these skills. For example, multitasking makes one poor at switching between tasks, skimming, and memorizing details. Efficiency can only be improved through proper scheduling of one's tasks in order to handle one task at a time effectively. When one multitasks, he or she ends up being slow resulting in wasting time. The amount of time wasted when juggling between tasks leads to inefficiencies in completing tasks comprehensively.
12 reasons to stop multitasking now | Fox News. (2013, June 18). Retrieved December 23, 2015, from -reasons-to-stop-multitasking-now.htmlThe Multitasking Test - ABC Science. (n.d.). Retrieved December 23, 2015, from -science/impacts-of-multi-tasking
It is believed by scientists that rather than simultaneous attending to all tasks at once, what really happens during multitasking is a rapid change of focus between tasks. While research supports the fact that highly practiced skills can be easily performed while one is thinking about something else, but the addition of a task that requires decision making switches ones attention to that task.
Over time of stress of multitasking may even become dangerous. Results show that a steady flow stress hormones can strain the body and threaten the health. As recently reported by the American National Institute for Occupational Saftey and Health, numerous studies found out that on-the-job stress can cause headache, stomach problems and sleep disorders. Chronic work-related problems can lead to chronic problems includind back pain, hear disease and depression.
Studies reveal that our bodies release hormone called cortisol during stress, caused due to multitasking. Cortisol is needed to carry out various functions in the body but incresed levels of cortisol results in high BP, sleep problems, weakness of immune system, imbalances in blood sugar levels etc.
Beeps in study disrupted declerative memory (eg. When we recall what we did last weekend).For tasks performed with distractions hippocampus of the barin was not involved (necessay for processing, storing and recalling information. But infact the straitum was involved. Straitum is a part of brain system that underlies our ability to mearn new skills. Multitasking makes it more likely to rely on striatum to learn. Thus multitasking changes the way people think.
In an investigation performed by Australian College of Road Saftey interaction between visual impairment and multitasking was performed. It revealed that multitasking (like talking on the phone or using in-vehicle navigational devices) had a significant detrimental impact upon driving performances. Multi-tasking further exacerbated the effects of visual impairment, where the visual dual task had a greater detrimental effect on driving performance than the auditory dual task (p
An experiment was performed to find out the effects of multitasking on muscle activity . Muscles of the upper extremity were examined.The thesis inspected concurrent grip and shoulder extensions with additional and simultaneous demands of task precision and mental processing. It concluded that incerased mental loads, when combined with physical work, have the potential to interfere with task performance and likely elicit elevated levels of muscle activity.
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This is more of an informal term for the ability to listen, write, and speak effectively as most scholars soon find that they need to do more than write essays and listen to lectures. College also involves debating others, making speeches, and taking down vast amounts of information.
The negative impact of chronic, heavy multitasking might be particularly detrimental to adolescent minds. At this age, brains are busy forming important neural connections. Spreading attention so thin and constantly being distracted by different streams of information might have a serious, long-term, negative impact on how these connections form.
Moisala M, Salmela V, Hietajärvi L, et al. Media multitasking is associated with distractibility and increased prefrontal activity in adolescents and young adults. NeuroImage. 2016;134:113-121. doi:10.1016/j.neuroimage.2016.04.011
In this paper, we estimate the unique contributions of age-related differences in frontal GM and WM structures for two executive functions: fluid intelligence and multitasking. Fluid intelligence has been defined as the ability to think logically and solve problems in the absence of task-specific knowledge or experience9. Fluid intelligence lies at the core of psychometric analyses of intelligence9 and predicts real world outcomes including life expectancy, expected income and work performance10. Moreover, fluid intelligence correlates highly with tests that assess successful day-to-day functioning in society such as the Basic Skills Test11, even across intervals of several years3. Multitasking, on the other hand, is the general ability to perform several tasks simultaneously without adverse effects on performance. Lower multitasking ability is associated with a history of other age-related challenges such as recurrent falls12 and possibly underlies age-related problems on other cognitive abilities such as working memory13.
More specifically, our goals are to examine whether age-related differences in these executive functions are unitary or multifactorial; whether the dependence on frontal lobe differences is global or specific and to what extent neural differences explain age-related differences in these cognitive factors. In a large (N=567) age-heterogeneous population-based sample from the Cambridge Centre for Ageing and Neuroscience (Cam-CAN), we use (confirmatory) structural equation modelling (SEM), a powerful multivariate technique that fits observed covariances between variables15, and allows for the joint testing of several a priori predictions. Structural equation modelling has been used to model age-related differences in cognition, and is increasingly applied to capture cognitive and neural differences across lifetime16,17,18,19,20,21,22. Using these techniques, we show how age-related differences in fluid intelligence and multitasking are related to distinct measures of frontal lobe integrity.
(a) Shows an example of a fluid reasoning item (trial). The Cattell test yields scores on four subtests used for further modelling. (b) Shows the multitasking task, which is a simulation of a hotel environment, in which participants were asked to perform each of the five tasks for equal amounts of time within a 10-min period. Variables-of-interest are the number of different tasks people performed and total time misallocated. 2b1af7f3a8