Complex emotions Causes analysis 1 Child development 1 Complex causality 1 Contrastive learning 1 Counterfactual thinking 1 Diseases 1 Emotion understanding 1 Emotion-cause pair extraction 1 Large dataset 1 Long short-term memory 1 Mental disorders 1 Mental health 1 Mental illness 1 Relief 1 Simple++ 1 Social media 1 Social networking (online) 1 Temporal cognition 1 article 1 child 1 child development 1 cognition 1 emotion 1 female 1 fledgling 1 human 1 human experiment 1 major clinical study 1 male 1