Blink effect on slow vergence

Holger Rambold*, Gunnar Neumann, Andreas Sprenger, Christoph Helmchen

*Corresponding author for this work
10 Citations (Scopus)


Blinks are known to change the kinematic properties of fast eye movements, probably by changes in the brain stem circuits. To determine whether slow disconjugate (slow vergence) eye movements are affected by blinks under natural viewing conditions, we elicited airpuff-evoked trigeminal blinks randomly during ongoing steady slow vergence eye movements. Lid and binocular eye movements were recorded by the scleral search coil method. Slow vergence eye movements showed a peak of vergence velocity during the final part of the blink, which depends on the stimulus direction. We propose that the direction-specific blink effect on slow vergence may be caused by changes in brain stem premotor circuits.

Original languageEnglish
Issue number16
Pages (from-to)2041-2044
Number of pages4
Publication statusPublished - 15.11.2002

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)


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