In the unimodal auditory presentation, participants can hear only the audio of the synthesized words.
In the bimodal audiovisual presentation, participants can see and hear the synthesized face pronouncing the different words.
In Experiment 1B, featuring a random sentence presentation, participants were no longer required to memorize and repeat three sentences in a row, rather they repeated each sentence immediately and received immediate auditory feedback.
In Experiment 1A (blocked presentation), participants listened to the three sentences associated with one object noun in a row, and were then asked to repeat them and received auditory feedback for all three sentences.
Following the AX presentation, participants were asked via a screen text prompt "did a change occur?" Change scenes were constructed by pseudo-randomly selecting five sounds from the full set of 25 sounds described in the Stimuli section, above.
For ED presentation, participants were asked "Apart from a GP, which services have you contacted about your general health (e.g., emergency department; ED) since your release from custody?" and free text responses were post-coded to create a binary ED presentation variable.
Following the music presentation, participants again rated their mood and arousal on VAS.
During visual presentation, participants sat at a table on which the objects were placed.
During haptic presentation, participants felt the objects behind an opaque cloth screen and were free to move their hands around the objects.
Immediately following the picture presentation, participants were asked to make recognition judgments on a subset of "old", previously seen, pictures versus intermixed "new" pictures.
