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ERIC Number: EJ815841
Record Type: Journal
Publication Date: 2008-Nov
Pages: 5
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0278-2626
Rightward Collisions and Their Association with Pseudoneglect
Nicholls, Michael E. R.; Loftus, Andrea M.; Orr, Catherine A.; Barre, Natalie
Brain and Cognition, v68 n2 p166-170 Nov 2008
Whereas right parietal damage can result in left hemineglect, the general population shows a subtle neglect of the right hemispace--known as pseudoneglect. A recent study has demonstrated that people collide to the right more often and attributed this bias to pseudoneglect. [Nicholls, M. E. R., Loftus, A., Meyer, K., & Mattingley, J.B. (2007). "Things that go bump in the right: The effect of unimanual activity on rightward collisions." "Neuropsychologia," 45, 1122-1126]. Nicholls examined the effect of unimanual activation by requiring participants to fire projectiles at a target whilst walking and found that the rightward bias was exaggerated or reversed when the left and right hands were active, respectively. However, the act of aiming at a target may have inadvertently biased walking trajectory to the right. The current study addressed this issue by requiring participants (n = 149) to walk through a narrow doorway three times whilst entering text into a phone using the (a) left, (b) right or (c) both hands. Despite the fact that entering text into a phone should produce no rightward bias, participants bumped to the right more often. Unlike previous research, no effect of unimanual activation was observed. This lack of effect was attributed to the smaller hand movements for entering numbers compared to firing a toy gun. Finally, this study showed an association for the first time between biases in observable bumping and line bisection performance--suggesting that unilateral bumping is related to pseudoneglect. (Contains 1 table and 1 figure.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A