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In this exercise, the user will be presented with items such as numbers or letters one after another. The user will be instructed to recall of the item either matches a desired item or if the object presented to them is the same as either the previous item or an item “2 items back”. The user will be told how many items back they need to remember.
Increased activity in the globus pallidus, anterior cingulate gyrus, thalamus, and cerebellum is seen during recall. The same activity is not seen in the recognition process which means that these structures play a more important role in recall than recognition. Some studies have shown that recall only takes place when there is synchronic activation of two brain region i.e. rhinal cortex and hippocampus.
Individuals use the skills found in N-back, when they are scanning for information in a document or attention to match items of information together, such as pairing socks. N-back relies heavily on working memory, which is an essential cognitive skill.
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