Ocular drift along the mental number line

Andriy Myachykov, Rob Ellis, Angelo Cangelosi, Martin Fischer

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)
11 Downloads (Pure)

Abstract

We examined the spontaneous association between numbers and space by documenting attention deployment and the time course of associated spatial-numerical mapping with and without overt oculomotor responses. In Experiment 1, participants maintained central fixation while listening to number names. In Experiment 2, they made horizontal target-direct saccades following auditory number presentation. In both experiments, we continuously measured spontaneous ocular drift in horizontal space during and after number presentation. Experiment 2 also measured visual-probe-directed saccades following number presentation. Reliable ocular drift congruent with a horizontal mental number line emerged during and after number presentation in both experiments. Our results provide new evidence for the implicit and automatic nature of the oculomotor resonance effect associated with the horizontal spatial-numerical mapping mechanism.
Original languageEnglish
Pages (from-to)379-388
JournalPsychological Research
Volume80
Issue number3
Early online date2 Jan 2016
DOIs
Publication statusPublished - May 2016

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