Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Authorable Virtual Peer(also: AVP)
- A life-sized animated virtual character technology designed to support social skills development in children with autism and related disorders. Unlike passive virtual agents, authorable virtual peers allow children to interact in multiple modes: face-to-face conversation,…
- Facial Affect(also: Facial Expression of Emotion, Emotional Facial Expression)
- The display of emotion through facial movements, including changes in the position of the eyebrows, eyes, mouth, and other facial features that communicate a person's emotional or mental state. Facial affect is a primary channel of nonverbal social communication and can convey…
- Pragmatics(also: Pragmatic Language)
- The social use of language—how context, relationship, and conversational norms affect what we say and how we interpret others. Pragmatics includes understanding implied meaning, adjusting speech for different audiences, taking turns in conversation, and recognizing non-literal…
- Reciprocity(also: Conversational Reciprocity, Social Reciprocity)
- The back-and-forth exchange of information, questions, and responses that characterizes natural conversation. Reciprocity includes components like asking questions, responding appropriately, giving feedback, and sharing information in ways that maintain conversational flow.…
- Social Communication Disorder(also: SCD, Pragmatic Language Impairment)
- A condition characterized by persistent difficulties with the social use of verbal and nonverbal communication. Individuals with social communication disorder struggle with using communication for social purposes, adjusting communication to match context, following…
- Virtual Peer(also: VP, Virtual Agent, Animated Conversational Agent)
- A computer-animated character designed to simulate peer interaction, typically used in educational or therapeutic settings. Virtual peers can engage in conversation, model social behaviors, and provide a lower-stakes environment for practicing social skills compared to human…
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