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J Neurophysiol. 2006 Sep;96(3):1011-7. Epub 2006 Jan 11.

Development of saccadic suppression in children.

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1
Università degli Studi di Firenze, Florence, Italy.

Abstract

We measured saccadic suppression in adolescent children and young adults using spatially curtailed low spatial frequency stimuli. For both groups, sensitivity for color-modulated stimuli was unchanged during saccades. Sensitivity for luminance-modulated stimuli was greatly reduced during saccades in both groups but far more for adolescents than for young adults. Adults' suppression was on average a factor of about 3, whereas that for the adolescent group was closer to a factor of 10. The specificity of the suppression to luminance-modulated stimuli excludes generic explanations such as task difficulty and attention. We suggest that the enhanced suppression in adolescents results from the immaturity of the ocular-motor system at that age.

PMID:
16407425
DOI:
10.1152/jn.01179.2005
[Indexed for MEDLINE]
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