Benefits and costs of contextual associations between real-world objects in the attentional blink

The attentional blink is a phenomenon that demonstrates the limitations of human attention. When two visual targets are presented in quick succession, the identification of the second target is often impaired. This effect is known to decrease when the targets share perceptual features or are part of the same category. However, real-world objects are also related through contextual associations, which are influenced by the typical environments in which objects appear together.

To investigate this further, researchers conducted an experiment where the contextual and categorical relationships between the two targets were manipulated independently, while keeping their perceptual similarity constant.

The key finding of the experiment was that contextual associations helped in identifying the second target more easily. However, this facilitation came at the cost of making it more difficult to identify the first target. This result indicates that contextual associations have both positive and negative effects on visual cognition.

On one hand, they enhance attentional access to subsequent targets, making them easier to spot. On the other hand, this improvement comes at the expense of increasing interference between the targets, which hinders the identification of the earlier target.