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Object-location memory: a lesion-behavior mapping study in stroke patients.
- Source :
-
Brain and cognition [Brain Cogn] 2009 Dec; Vol. 71 (3), pp. 287-94. Date of Electronic Publication: 2009 Sep 05. - Publication Year :
- 2009
-
Abstract
- Object-location memory is an important form of spatial memory, comprising different subcomponents that each process specific types of information within memory, i.e. remembering objects, remembering positions and binding these features in memory. In the current study we investigated the neural correlates of binding categorical (relative) or coordinate (exact) position information with objects in memory. Therefore, an object-location memory battery was used, including different task conditions assessing object-location memory, i.e. memory for position information per se, and binding object information with coordinate and categorical position information. Sixty-one stroke patients with focal brain lesions were examined and compared with 77 healthy matched controls. The lesion subtraction method was used to define the area of overlap. Results indicate an important role of the left posterior parietal cortex in the binding of both categorical and coordinate positions with object information. Additionally, the hippocampus seems important for categorical object-location memory. This suggests that categorical and coordinate object-location memory depend on similar cognitive and neural systems.
- Subjects :
- Adult
Aged
Brain diagnostic imaging
Brain Mapping
Female
Humans
Image Processing, Computer-Assisted
Magnetic Resonance Imaging
Male
Middle Aged
Neuropsychological Tests
Psychomotor Performance physiology
Radiography
Spatial Behavior physiology
Stroke diagnostic imaging
Brain physiopathology
Memory physiology
Space Perception physiology
Stroke physiopathology
Subjects
Details
- Language :
- English
- ISSN :
- 1090-2147
- Volume :
- 71
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Brain and cognition
- Publication Type :
- Academic Journal
- Accession number :
- 19733953
- Full Text :
- https://doi.org/10.1016/j.bandc.2009.07.012