Numbers in Vision Can Shift How We Perceive Space
New research reveals that numbers in our visual field can subtly distort how we judge spatial positions, showing that perception is shaped by both numerical magnitude and object-based processing. In traditional line-bisection tasks, smaller numbers shifted perceived centers leftward, supporting the idea of a mental number line. But when shapes became more complex, such as squares, the numerical effect disappeared, replaced by strong upward biases linked to object recognition systems in the brain. These findings show that spatial-numerical association interacts with deeper visual pathways rather than acting alone. The work offers fresh insight into how the brain integrates symbolic and spatial information. ….[READ]
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