Abstract
In our daily life, we enjoy creative activity such as music, movie, picture and novel. When we come up with a good idea and/or we get excited in creative activity, sometimes we can make high quality work or obtain good progress, which can be postulated that brain becomes active in these conditions. In this research, we investigated relationship between work progress and brain activity in music composition using electric guitar as a creative activity. Brain activities during composition were determined from 10-channel wearable optical topography. As a result, brain-region (i.e., right- or left- prefrontal cortex) activated could tend to depend on kinds of creation, that is, melodious or technical phrase. However, there was no distinctive differences of brain activity during composition whether work progress was very well or not. This is the result from only one subject, therefore further experiments are required for more precise investigations.
Highlights
Creative activities as well as the act of being creative are important factors in healing and relaxation during daily life(1,2,3)
We quantitatively evaluated the brain activity of the subject as they performed a music composition task following a rest task
We quantitatively evaluated brain activity in the prefrontal cortex by measuring changes in the concentration of oxygenated and deoxygenated hemoglobin using 10-channel wearable optical topography (WOT-100, Hitachi High Technologies Ltd.)
Summary
Creative activities as well as the act of being creative are important factors in healing and relaxation during daily life(1,2,3). We quantitatively evaluated the brain activity of the subject as they performed a music composition task following a rest task. During the music composition task, brain activity was measured for 30 min. This time was chosen considering the long duration required for mounting the measurement equipment and the exhaustion that the subject would experience with longer measurement. After the music composition task was completed, the subject rested for 8 min. This sequence was considered as one cycle; the subject repeated the cycle thrice per experiment. If the subject was satisfied with the creation, they proceeded to the section; otherwise, they started again This cycle was repeated until a complete piece was created. Progress was defined using Equation (1), which describes the ratio of the number of bars completed in one experiment to the total number of bars in the piece
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