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Spreading of activation to surrounding regions in Experiment 2 during the unifocal condition. ROIs for surrounding regions were taken from the multifocal condition. Responses in four bordering and four cornering regions were pooled together for the ease of comparison. There is a significant difference in spreading (P < 0.05) at different stimulus contrasts to bordering regions. Data is pooled over all eight subjects, and error bars denote SEM.
