Perception & Psychophysics

, Volume 68, Issue 3, pp 475–488 | Cite as

Voluntary eyeblinks disrupt iconic memory

  • Laura E. ThomasEmail author
  • David E. Irwin


In the present research, we investigated whether eyeblinks interfere with cognitive processing. In Experiment 1, the participants performed a partial-report iconic memory task in which a letter array was presented for 106 msec, followed 50, 150, or 750 msec later by a tone that cued recall of one row of the array. At a cue delay of 50 msec between array offset and cue onset, letter report accuracy was lower when the participants blinked following array presentation than under no-blink conditions; the participants made more mislocation errors under blink conditions. This result suggests that blinking interferes with the binding of object identity and object position in iconic memory. Experiment 2 demonstrated that interference due to blinks was not due merely to changes in light intensity. Experiments 3 and 4 demonstrated that other motor responses did not interfere with iconic memory. We propose a new phenomenon,cognitive blink suppression, in which blinking inhibits cognitive processing. This phenomenon may be due to neural interference. Blinks reduce activation in area V1, which may interfere with the representation of information in iconic memory. nt]mis|This research was supported by NSF Grant BCS 01-32292.


Iconic Memory Intrusion Error Mask Condition Saccadic Suppression Letter Array 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Psychonomic Society, Inc. 2006

Authors and Affiliations

  1. 1.Department of PsychologyUniversity of IllinoisChampaign

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