Toward an analysis of emotion regulation in children using late positive potential

The ability of emotion regulation and emotional responses in children is a main component of emotional competence through the development process. We had employed electroencephalography (EEG) a well-known noninvasive method for recording of brain emotion signals in order to analyze the emotion regulations in children. The international affective picture system (IAPS) pictures dataset was used for selection of stimuli presentation. The stimulus presentation was commonly practiced to induce the emotional responses from human brain. Brain signals were recorded using EEG electrodes and analyzed after preprocessing. There are rare studies available for detection of emotion regulation in children using late positive potential (LPP) analysis. The event related potential (ERP) is well known for analysis in cognitive neuroscience that was used in this paper for analysis of LPP. In this paper, we proposed the LPP as a neural marker for physiatrists and neurophysiologists to detect the mood disruption in children. We employed 21 subjects in this investigation, which were aged from 12 to 14 years. The ERP was analyzed through stimulus lock strategy which includes 180 stimuli of four emotions (arousal-valence). Each stimulus time duration was 1.5 s following of 0.5 s of rest time. Results show the increased modulation of LPP amplitude under all brain regions.

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