Contrasting Divergent and Convergent Thinking by Electroencephalography and Eye Tracking
The present study explores the adoption of electroencephalography and eye tracking to assess physiological differences between divergent and convergent thinking. In neuroscientific literature alpha power synchronization in the right parietal lobe has been associated to top-down inhibition of task-irrelevant cognitive processes occurring during divergent thinking, but findings in oculometric studies seem to suggest a bottom-up process operated by active visual-gating. In the present study, 14 male engineering students performed an adaptation of the Alternative Uses task under two experimental conditions. During the task brainwaves and ocular activity were collected using electroencephalography and eye tracking, but results did not reach statistical significance. Improvements in the experimental setting and analysis method to overcome similar problems are presented. Future studies should further delve into the influences on results of experimental settings and of analysis methods to increase comparability among physiological studies.
KeywordsCreativity Divergent thinking Convergent thinking Electroencephalography EEG Eye tracking Alpha
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