Individual measures of electroencephalogram alpha activity and non-verbal creativity.
The aim of the present work was to study correlational interactions between individual measures of alpha-activity in the baseline electroencephalogram (maximum peak frequency, range width, depth of alpha activity desynchronization reactions, structural characteristics of alpha spindles) and measures of non-verbal intellect ("Fluency," "Originality," "Flexibility") in the Torrance test in 98 healthy male subjects. These studies provided the first demonstration that individuals with high alpha-rhythm maximum peak frequency values and prolonged alpha spindles were generally characterized by more "fluent" non-verbal intellect. In turn, high levels of originality and intellectual plasticity showed a significant association with a wider range of alpha activity and variability of alpha spindle amplitude. The highest levels of originality in solving non-verbal tasks were seen in subjects with the lowest values for individual alpha-activity peak frequencies. These measures of the alpha rhythm can be regarded as individual markers of the productivity, plasticity, and originality of non-verbal intellect.
Bazanova
O M
OM
State Research Institute of Molecular Biology and Biophysics, Russian Academy of Medical Sciences, 2 Timakov Street, 630117, Novosibirsk, Russia.
Aftanas
L I
LI
D000328:Adult; D000513:Alpha Rhythm; D000704:Analysis of Variance; D003405:Creativity; D004594:Electrophysiology; D006801:Humans; D007206:Individuality; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D013850:Thinking / Q000502:physiology*