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Frontal Theta Increase in the Add-n Task and its Relation to Working Memory Capacity

Röber, T.E. (2019) Frontal Theta Increase in the Add-n Task and its Relation to Working Memory Capacity.

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Abstract:An increase in frontal theta activity has been frequently reported in relation to an increase in mental effort due to increased loads on working memory tasks. However, such research often leaves aside individual differences in imaging data and the role of possible factors, such as cognitive abilities, in explaining such differences. First, this study aims to contribute to the large body of research showing an increase in frontal theta activity in relation to task difficulty by investigating whether such effect is also observable for participants engaging in a less commonly used working memory task, the Add-n task. Second, the study aims to investigate the role of working memory capacity in explaining individual differences, as earlier findings point to an increase in frontal theta only for individuals with high working memory capacity. While the results of this study indeed show an increase in frontal theta activity with increasing loads on the Add-n task and thus increasing mental effort, this effect does not vary between individuals with low versus individuals with high working memory capacity. Hence, further research is needed to make generalisable claims about the role of working memory capacity in explaining individual differences in frontal theta synchronisation.
Item Type:Essay (Bachelor)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology BSc (56604)
Link to this item:http://purl.utwente.nl/essays/78365
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