August 3, 2025Open Access

Microsaccades track shifting but not necessarily maintaining covert visual-spatial attention

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Experimental findings show microsaccades link to shifting spatial attention, suggesting changes in attentional deployment processes.

MAIN FINDING: Microsaccades are linked to shifting but not maintaining covert visual-spatial attention.
KEY EVIDENCE: Two experiments revealed stronger microsaccade biases during the initial stage of attention shifting.
APPROACH: Participants underwent distinct but common methods for fixational control to analyze attention dynamics.
SIGNIFICANCE: This work enhances understanding of how the oculomotor system’s role in attention varies over time.

Harmelen et al. (2025) studied this question.

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