Facial expression ; Sprache und Emotion; Emotion und Sprache; Language and emotion; Sprache und Affekt; Sentimentanalyse (Sprachverhalten) ; Sentiment analysis (language behavior) ; Affect (language behavior) ; Kindersprache (pathol.) ; Child language (pathol.) ; Specific language impairment; SLI; Dysgrammatismus (Kindersprache) ; Dysgrammatism (child language) ; Handicapped language acquisition