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The n-back task is a continuous performance task that is commonly used as an assessment in psychology and cognitive neuroscience to measure a part of working memory and working memory capacity. [1] The n -back was introduced by Wayne Kirchner in 1958. [ 2 ]
In a series of four individual experiments involving 70 participants (mean age of 25.6) from the University of Bern community, Jaeggi et al. found that, in comparison to a demographically matched control group, healthy young adults who practiced a demanding working memory task (dual n-back) approximately 25 minutes per day for between 8 and 19 ...
In another influential study, training with a working memory task (the dual n-back task) improved performance on a fluid intelligence test in healthy young adults. [84] The improvement of fluid intelligence by training with the n-back task was replicated in 2010, [85] but two studies published in 2012 failed to reproduce the effect.
Short description of n-back (method and purpose). Purpose (this section describes why n-back tasks are used) Measure of working memory; The task (basically this section will describe the task as it does now, but it will cite a journal article's description of the task) Uses (describes when n-back are used) Compare different groups' working memory
The researchers asked participants to perform an n-back working memory task with negative and neutral stimuli. They found that participants' accuracy in performing the n-back task was unaffected by the emotional content of the stimuli, which suggested that the memory enhancements observed for emotional stimuli in long-term memory do not extend ...
In experiments with the macaque monkey, Earl Miller and his colleagues used the delayed matching to sample (DMS) task to assess working memory in monkeys. [33] The monkey was required to fixate on a computer screen while coloured images were displayed serially for 0.5 seconds, and separated by a one-second delay.
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There is some evidence from an fMRI study that autistic individuals are more likely to use visual cues rather than verbal cues on some working memory tasks, based on the differentially high activation of right parietal regions over left parietal regions in an N-back working memory task with letters. [41]