from Section III - Emotion Perception and Elicitation
Published online by Cambridge University Press: 16 September 2025
The ability to express and perceive vocal emotions plays an important role in social interactions. Notably, the encoding and decoding of emotions often occur in social interactions of persons of different ages, where speaker and listener characteristics dynamically shape the perception of emotion expressed in the voice. However, existing models of (emotional) voice processing have primarily focused on stimulus quality while accounting sparsely for person characteristics, such as speaker and listener age. Consequently, systematic research on the expression and perception of emotion in the voice across the lifespan is needed. Here, we provide a synopsis of how the perception and specifically the recognition of vocal emotions is modulated by the age of both speakers and listeners. First, we summarize what we currently know about human vocal tract development and age-related variations in voice acoustics. We then synthesize evidence on age-related changes in the expression and perception of vocal emotions. We conclude that the perception of emotion expressed in the voice is not only a matter of how one speaks but also of who speaks and who listens. A broader perspective on how the voice communicates emotions should be reflected in existing models and guide future research.
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