Reflecting upon line bisection: mirror reversal increases the magnitude of pseudoneglect

Eric E. Brodie

Research output: Contribution to journalArticle

Abstract

In order to investigate the effect of congruent and non-congruent motor actions upon pseudoneglect, ‘real’ lines and mirror reversed ‘virtual’ lines were bisected in left and right hemispaces by 50 right handed subjects, 25 males, 25 females, with both left and right hands. Statistical analysis revealed significantly greater pseudoneglect for the non-congruent motor condition (virtual > real), hand (left > right), gender (male > female) and hemispace for virtual lines (left > right). These results are explained in terms of the interaction between three factors whose influence can jointly and severally result in pseudoneglect: right hemisphere specialization for spatial attention, right hemisphere activation resulting from hand use and sensorimotor discrepancies and the allocation of visual attention.

Original languageEnglish
Pages (from-to)1517-1520
Number of pages4
JournalNeuropsychologia
Volume48
Issue number5
DOIs
Publication statusPublished - 1 Apr 2010

Keywords

  • motor actions
  • visual line bisection
  • pseudoneglect

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