PMID: 9556767Apr 29, 1998Paper

The emergence of spatial rotation deficits in dementia and normal aging

Neuropsychology
C L Armstrong, B Cloud

Abstract

The mental rotation required in the Road Map Test of Direction Sense (the "Road Map Test"; J. Money, 1976; J. Money, D. Alexander, & H. T. Walker, 1965) has been thought to be impaired as a function of age, but not dementia. However, spatial rotation in dementia has not been investigated in reference to spatial coordinate systems. Patients with dementia (Alzheimer's and ischemic vascular dementias) and elderly control participants were administered the Road Map Test. The authors analyzed whether the geocentric or egocentric coordinate system determined rotation of Road Map Test turns and predicted impairment in dementia patients. They found equivalent impairment in both types of dementia, greater angulation effect in the geocentric system in patients relative to normal controls, and no egocentric effect. Results also suggest early emergence of spatial rotation deficit in dementia. Spatial rotation is most often associated with working memory, which predicts the correlations found.

Citations

Jun 9, 2005·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Tanja M ManiL Stephen Miller
Mar 4, 2006·Neuroreport·Madeleine FortinFranco Lepore
Feb 2, 2011·Journal of Neuroengineering and Rehabilitation·Laura CarelliGiuseppe Riva
Aug 2, 2000·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·C SerratiE Favale
May 16, 2015·Journal of Neurology·H ShamesNetta Levin
Dec 30, 2014·Behavioural Brain Research·Hana MarkováKamil Vlček
Jan 25, 2019·Applied Neuropsychology. Adult·Virginie Descloux, Roland Maurer

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