Actors is a model of concurrent computation for developing parallel, distributed and mobile systems. Each actor is an autonomous object that operates concurrently and asynchronously, receiving and sending messages to other actors, creating new actors, and updating its own local state. An actor system consists of a collection of actors, some of whom may send messages to, or receive messages from...

Four-, 6-, and 11-month old infants were presented with movies in which two adult actors conversed about everyday events, either by facing each other or looking in opposite directions. Infants from 6 months of age made more gaze shifts between the actors, in accordance with the flow of conversation, when the actors were facing each other. A second experiment demonstrated that gaze following alo...

This chapter presents statistical and algorithmic approaches to discovering groups of actors that hide their communications within the myriad of background communications in a large communication network. Our approach to discovering hidden groups is based on the observation that a pattern of communications exhibited by actors in a social group pursuing a common objective is different from that ...

Both in the performative arts and in emotion research, professional actors are assumed to be capable of delivering emotions comparable to spontaneous emotional expressions. This study examines the effects of acting training on vocal emotion depiction and recognition. We predicted that professional actors express emotions in a more realistic fashion than non-professional actors. However, profess...

This chapter presents statistical and algorithmic approaches to discovering groups of actors that hide their communications within the myriad of background communications in a large communication network. Our approach to discovering hidden groups is based on the observation that a pattern of communications exhibited by actors in a social group pursuing a common objective is different from that ...