Bihemispheric Leftward Bias in a Visuospatial Attention-Related Network

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Figure 3.
Figure 3.

Bilateral LVF superiority in brain regions related to visuospatial attention. a, Statistical brain maps of the LVF vs RVF contrast (experiment 1, n = 10; random effects, p < 0.02). Red and blue colors indicate enhanced activation by LVF and RVF stimuli, respectively. Talairach z coordinates are indicated for transverse slices. For convenience, regions are labeled solely on the RH. OTC, Occipito-temporal cortex; R, right; L, left. b, ROI analysis of bilateral IPS (experiment 1, n = 10). Three-way repeated-measures ANOVA (factors: hemisphere, visual field, stimulus valence) disclosed an overall LVF superiority (main effect: F(1,9) = 74.59; p < 0.00001), which was more prominent in the RH [2-way interaction: F(1,9) = 7.13; p < 0.026, post hoc comparison: LVF (RH>LH), p < 0.003]. Error bars indicate ±SEM. Rt IPS, Right IPS; Lt IPS, left IPS.

  1. The Journal of Neuroscience vol. 27 no. 42 11271-11278
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