Ocular Influence of Nano-Modified Fulleren Light: 1. Activity of Default Networks of the Human Brain

We studied dynamics of the activity of the default networks as the human large scale brain networks in response to the ocular influence of light, which wasnano-modified with a fullerene filter. We examined 7 volunteers (4 males and 3 females) aged from 18 to 22 years without health complaints, right-handers, students. The ocular pathway of the light influence was provided by the use of glasses with fullerene (C₆₀) filters (Zepter Tesla LightWear, 0.3‰ in polymethylmethacrylate organic glass, 2 mm thick), for placebo we used glasses in a similar frame with a filter similar in the light range but not containing fullerene. For EEG recording and analysis, we used the Neuron-Spectrum-4/VP complex (NeuroSoft). The recording was carried out in monopolar way, with a quantization frequency of 500 Hz, the electrodes were arranged according to the international system 10-20 in 19 leads. In each lead, the power spectral density was calculated for all EEG frequency ranges according to the Neuron-Spectrum program. Statistical analysis was performed by using Statistica 8.0 (StatSoft, USA).As a result of the study, we obtained significant differences (as compared with placebo) of the electrical activity of the human brain (EEG) under the influence of light transmitted through a fullerene filter. Changes in the delta and theta ranges indicated changes in the state of the default networks, since they are characterized by low-frequency of EEG oscillations. Reduced EEG activity in the alpha range in the right frontal zone indicated an increase in interregional synchronization involving figurative information in the processes of internal thinking. Increased EEG activity in the delta range in the temporal zone indicated activation of the imaging modeling processes of the future, and reduced EEG activity in theposterior temporal area indicated a decrease of attention to internal processes, i.e. relaxing. Increased EEG activity in the theta range in the posterior singular cortex testified to the intensification the processes of introspective emotional experience of the past events. These data suggest that under the influence of light, modified at the nano-scalelevel by fullerene, there developed a more contemplative attitude toward the introspective emotional experiences of the past events developed while they were actively involved in figurative modeling of a hypothetical future.