title: Age-related differences in distractor interference on line bisection.
abstract: Using a bisection paradigm, we investigated age-related differences in susceptibility to distractor interference. Older and younger participants were asked to bisect a horizontal line flanked by a pair of distractors, placed in either left or right hemispace. The results showed that (1) in both groups the distractors interfered with line bisection so that the localization of subjective midpoint was selectively shifted away from their position; (2) the shifting of subjective midpoint was greater in the older than in the younger group when the distractors were placed in the left hemispace. We suggest that the increase of the bisection bias in the older group depends on changes in attentional mechanisms involved in inhibiting irrelevant information.
authors.affiliation: Department of Experimental Medicine, Second University of Naples, Naples, Italy, sergio.chieffi@unina2.it.
authors.forename: Sergio
authors.initials: S
authors.lastname: Chieffi
authors.forename: Alessandro
authors.initials: A
authors.lastname: Iavarone
authors.forename: Leonardo
authors.initials: L
authors.lastname: Iaccarino
authors.forename: Marco
authors.initials: M
authors.lastname: La Marra
authors.forename: Giovanni
authors.initials: G
authors.lastname: Messina
authors.forename: Vincenzo
authors.initials: V
authors.lastname: De Luca
authors.forename: Marcellino
authors.initials: M
authors.lastname: Monda
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology*; D000704:Analysis of Variance; D001288:Attention / Q000502:physiology*; D005260:Female; D007839:Functional Laterality; D006801:Humans; D007266:Inhibition, Psychological; D008297:Male; D010775:Photic Stimulation; D011597:Psychomotor Performance / Q000502:physiology*; D013028:Space Perception / Q000502:physiology*
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