| Popis: |
The aim of the present examine the power spectrum and explore functional brain connectivity/disconnectivity during concentration performance as measure by the d2 test of attention and creativity as a measure of the CREA test, creative intelligence in typically developing children. To this end, we examined brain connectivity by using phase synchrony (i.e., phase locking value (PLV)) over the EEG signals acquired by the Emotiv EPOC neuroheadset in 15, 9- to 12-year-old children. Besides, as a complement, a power spectrum analysis of the acquired signals was performed. Our results indicated that, during d2 Test performance, there was an increase in global gamma phase synchronization and a regional increase in beta and delta bands. In addition, there was a global alpha -band desynchronization and to a lesser extent in theta activity. The increase in gamma ,beta and delta band synchronization, and alpha desynchronization would be consistent with the attention and concentration requirements of d2 performance. During the CREA task, on the other hand, power spectrum analysis showed a significant increase in the delta, beta, theta, and gamma bands. Connectivity analysis showed marked connectivity in theta, alpha, and gamma, findings consistent with neuroscience research indicating that multiple brain mechanisms are involved in creativity. These results have important implications for the assessment of attention functions and creativity in clinical and research settings, as well as for neurofeedback interventions in children with typical and atypical development. |
