Line bisection errors in visual neglect: Misguided action or size distortion?
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Cited by (240)
Unilateral spatial neglect
2021, Encyclopedia of Behavioral Neuroscience: Second EditionThe role of the right posterior parietal cortex in prism adaptation and its aftereffects
2021, NeuropsychologiaCitation Excerpt :The reduction of the leftward proprioceptive and visuo-proprioceptive AEs after rTMS to the right PPC concerns a directional effect that is related to the improvement of left USN in right brain-damaged patients, in whom leftward AEs after adaptation to rightward displacing prims predict a greater improvement of USN (Fortis et al., 2010). In line with the present findings of a rightward effect in the AEs after rTMS to the right PPC, rTMS delivered to the right PPC in healthy participants (Ricci et al., 2012) brings about a rightward neglect-like directional error in line bisection, as assessed by the Landmark task (Milner et al., 1993), a task that involves a judgement about the length of the two halves of a pre-bisected segment. During this neglect-like behavior, fMRI shows decreased neural activity in parieto-frontal areas (Ricci et al., 2012), which are often lesioned or dysfunctional in patients with left USN (Vallar and Calzolari, 2018).
The reliability of pseudoneglect is task dependent
2020, NeuropsychologiaCitation Excerpt :Alongside this, the findings in the present study also suggest that there are individual differences in response across tasks, emphasising the need to assess individual differences in bisection error. The present study used three different bisection tasks typically used to assess biases in spatial attention: the landmark (Harvey et al., 1995; Milner et al., 1993), line bisection (Axenfeld, 1915) and tactile rod bisection (Bowers and Heilman, 1980). Based on hypotheses on the origins of pseudoneglect (Heilman and Van Den Abell, 1979; Kinsbourne, 1970), we expected high reliability of response within individuals across modality.
Parkinson's disease may reduce sensitivity to visual-tactile asynchrony irrespective of dopaminergic treatment: Evidence from the rubber hand illusion
2020, Parkinsonism and Related DisordersCitation Excerpt :All subjects were asked to complete a questionnaire detecting previous experience of abnormal body ownership [6]. Furthermore, spatial attention was assessed by two bedside tests of neglect: The letter cancellation task [20] and the Milner landmark task [21], as described in the literature [22]. The subject was seated at a table in front of two wooden boxes (both 30 cm × 20 cm × 10 cm) attached to each other on the long side, with large openings on the four narrow sides [22].
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Formerly M. Brechmann.