Differences in induced brain activity during the performance of learning and working-memory tasks related to intelligence |
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Authors: | Jausovec Norbert Jausovec Ksenija |
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Affiliation: | Univerza v Mariboru, Pedagoska fakulteta, Koroska 160, 2000 Maribor, Slovenia. norbert.jausovec@uni-mb.si |
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Abstract: | Thirteen high intelligent (H-IQ) and 13 low intelligent (L-IQ) individuals solved two figural working-memory (WM) tasks and two figural learning tasks while their EEG was recorded. For the WM tasks, only in the theta band group related differences in induced event-related desynchronization/synchronization (ERD/ERS) were observed. L-IQ individuals displayed greater theta synchronization in the later phases of task completion (1000-2000 ms) as compared to H-IQ individuals. For the learning tasks group related differences in the three alpha bands were observed. In the upper alpha band L-IQ individuals showed greater ERD in the frontal brain areas, whereas H-IQ individuals displayed greater ERD in the parieto-occipital brain areas. |
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