The patient may also have difficulty comprehending sarcasm, irony, and other paralinguistic aspects of communication. Paralinguistic features are only roughly indicated. The responses are particularly evident in facial expressions, gestures, and paralinguistic features. Examples of paralinguistic features include facial expressions, laughter, eye contact, and gestures. Paralinguistic features are usually recorded using highly sensitive microphones. His research has popularized the paralinguistic basis of emoji. The paralinguistic properties of speech play an important role in human communication. Paralinguistic cues are used as part of assessing communication partners when using CMC. Consequently, paralinguistic cues relating to expression have a moderate effect of semantic marking.