Poster A4, Saturday, March 24, 1:30–3:30 pm, Exhibit Hall C
Estimation of Mind-Wandering - For the Respondent Conditioning Enhancing the Meta-Awareness Ability to Mind-Wandering
Issaku Kawashima1,2, Hiroaki Kumano1, Keiko Momose1; 1Faculty of Human Sciences, Waseda University, 2Graduate School of Human Sciences, Waseda University
Mind-wandering (MW) is a thought unrelated to the current tasks. Though the trait to be meta-aware of MW might ameliorate depression and increase creativity, the means to enhance the ability of meta-awareness in an individual is not known. Meta-awareness cannot be attended when one is absorbed in MW. But if one’s attention is directed to external stimulus so that MW is interrupted, the person can be made meta-aware of incidences of mind-wandering. Conducting respondent conditioning between an occurrence of MW and an arousal of external attention (i.e., whenever someone slips into the state of MW, the person’s attention is directed to the outside) possibly helps enhance meta-awareness ability. The method of detecting MW is crucial for such conditioning protocols that need the detection of MW and the immediate presentation of the stimulus. This study aims to indicate that electroencephalogram (EEG) can estimate the intensity of MW. Fifty people participated in the experiment. We measured their EEG during the performance of sustained attention to response task (SART) with experience sampling questions on how strongly they executed MW. We applied support vector machine regression on the EEG features, including eight frequency band power and coherence of 17 channels, and created a model estimating MW intensity. The verification with hold-out data indicated the robustness of this model (r = .49). The result suggests that MW intensity can be estimated by EEG and the feasibility of respondent conditioning with MW estimation by EEG measuring. This presentation was supported by Tateisi Science and Technology Foundation.
Topic Area: ATTENTION: Other