Table 2.

The five events and durations defined for the communicative session.

Event	Trial period	Trial type	Duration
1R	Sender planning	communicativereceiver	Variable (from presentation of target configuration until Sender pressed the start button)
2R	Sender moving Receiver observing	communicativereceiver	Fixed – 5 s (from Sender pressing the start button)
3R	Receiver planning	communicativereceiver	Variable (from presentation of the Receiver's shape until the Receiver pressed the start button)
4R	Receiver moving	communicativereceiver	Fixed – 5 s (from Receiver pressing the start button)
5R	Feedback	communicativereceiver	Fixed – 1.5 s (from presentation of Feedback stimulus)