Evaluation of Electroencephalogram Signals of the Professional Pianists during Iconic Memory and Working Memory Tests Using Spectral Coherence
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Today, the neuroscience has growth in many aspects, and the effects of different factors on memory obtained many achievements. Several scientifc and experimental studies evaluated effects of music on style and behavior of people; in this study, we evaluated memory between two groups of people, the professional pianists and normal people, through processing their electroencephalogram (EEG) signals using the coherence measure. In this study, EEG signals from 17 subjects during two memory tasks were recorded. After that, these signals were preprocessed, and spectral coherence connectivity measure between pair of electrodes was computed and then compared in the fve frequency bands using independent t‑test. Results of this statistical analysis for working memory task showed signifcant differences in the temporal, central, and parietal lobes, especially in P7, P3, Pz, T8, C3, and C4 electrodes. As we know, these differences are related to learned skills and activities, words and sounds perception, and memory. Furthermore, for iconic memory task, signifcant differences were observed in the right hemisphere of these two groups. From this task, we can say professional pianists are different from normal people in the perception of images and creativity. Results of this study show the effects of music on human brain and memory.
Keywords:
Language:
English
Published:
Journal of Medical Signals and Sensors, Volume:8 Issue: 2, Apr-Jun 2018
Pages:
87 to 94
magiran.com/p1832712
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