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What stimulus configurations have been used for figure-ground modulation? 


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Stimulus configurations for figure-ground modulation have been diverse in research. Studies have utilized motion-defined figure-ground stimuli to investigate neural firing enhancements when the figure is over the receptive field, indicating higher integrative mechanisms . Novel paradigms involving distinct spatial structures refreshed in random dot fields have been employed to reveal the cortical network underlying figure/ground perception, activating networks beyond the occipital lobe . Additionally, experiments have explored figure-ground segregation based on temporal delays, showing that even delays as short as 13 ms can impact target detection, with younger subjects performing better than older subjects under these conditions . Furthermore, emergent conditional relations have been demonstrated using figure-ground relationships with abstract figures on different colored backgrounds, showcasing the potential of the go/no-go procedure in studying stimulus equivalence .

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Stimulus configurations involving varying contrast and coherence were used for figure-ground modulation in area MT, impacting surround suppression differently based on these stimulus features.
Abstract figures displayed on backgrounds of different colors and two-component stimuli were used for figure-ground modulation in the study, demonstrating emergent conditional relations in a go/no-go procedure.
Stimulus configurations involving flipping colons with phase delays were used for purely temporal figure-ground segregation, avoiding luminance and motion cues in the experiment.
Randomized drifting dots with a figure outlined by motion direction were used for figure-ground modulation in awake primate thalamus recordings, enhancing firing to the figure component.
The stimulus configurations used for figure-ground modulation in the study were updating the whole stimulus field, updating the ground region only (negative-figure), and updating figure and ground regions asynchronously.

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