Figure 1
From: Phasic and sustained interactions of multisensory interplay and temporal expectation
Experimental Design. (A) Three exemplary stimulus sequences (left: auditory-only, middle: multisensory with redundant target, right: multisensory with just auditory target). Each trial started with a blank screen (inter-trial-interval) followed by a sequence of 11 auditory (Exp 1 + 2), visual (Exp 1 + 2), or audiovisual stimuli (all Exp). Stimuli were presented for 100 ms with a 100 ms gap in between. The stimulus sequence ended with a blank screen (response window, max. 1500 ms). Targets were either presented at the 3rd or 9th position. Note that squares highlight the target (lower or higher frequency than distractor items) for illustrative purposes only and were not present in the experiment. In Experiments 3 and 4 only multisensory sequences were used (middle and left sequence). (B) Overview of factorial experimental design. Depicted are all 6 possible target conditions and factor levels of spatial and target uncertainty. The experiment’s number (bottom) denotes in which experiment a particular combination of factor levels was used. Note that manipulations of temporal expectations were identical across experiments.
