There is provided an apparatus and a method of operating the apparatus for providing feedback to a participant directing a communication to one or more other participants. The apparatus (100) comprises a processor (102) configured to acquire, from one or more physiological characteristic sensors (104), one or more physiological characteristic signals from at least one participant to which the communication is directed as the communication is received by the at least one participant. The processor (102) is also configured to determine a measure of the quality of the communication based on a comparison of the one or more physiological characteristic signals acquired from the at least one participant with one or more expected physiological characteristic signals and control a user interface (108) to provide feedback of the determined quality measure of the communication to the participant directing the communication to the at least one participant.