http://pss.sagepub.com/content/25/1/207.abstract
- 1Department of Neurology and Neurosciences, University Hospital of Geneva, University of Geneva
- 2Department of Psychology, Stanford University
- 3Department of Cognitive Science, University of California, San Diego
- Lera Boroditsky, Department of Cognitive Science, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093-0515 E-mail: lera@ucsd.edu
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Author Contributions O. Fuhrman and L. Boroditsky developed the study concept. O. Fuhrman spearheaded the study design, with contributions by P. Vuilleumier, A. Saj, and L. Boroditsky. Testing and data collection were performed by A. Saj under the direction of P. Vuilleumier. L. Boroditsky analyzed and interpreted the data, with contributions from A. Saj and O. Fuhrman. L. Boroditsky drafted the manuscript, with critical revisions provided by P. Vuilleumier, A. Saj, and O. Fuhrman. All authors approved the final version of the manuscript for submission.
Abstract
Previous research suggests that people
construct mental time lines to represent and reason about time. However,
is the ability
to represent space truly necessary for representing
events along a mental time line? Our results are the first to
demonstrate
that deficits in spatial representation (as a
function of left hemispatial neglect) also result in deficits in
representing
events along the mental time line. Specifically, we
show that patients with left hemispatial neglect have difficulty
representing
events that are associated with the past and, thus,
fall to the left on the mental time line. These results demonstrate
that
representations of space and time share neural
underpinnings and that representations of time have specific spatial
properties
(e.g., a left and a right side). Furthermore, it
appears that intact spatial representations are necessary for at least
some
types of temporal representation.
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