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The (Spatial) Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
Published on: February 19, 2018
Investigating the interaction between spatial perception and working memory in the human medial temporal lobe
Andy C H Lee1, Sarah R Rudebeck
1Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford OX13UD, UK. andy.lee@psy.ox.ac.uk
Journal of Cognitive Neuroscience
|November 21, 2009
Summary
The medial temporal lobe (MTL) is involved in spatial perception and working memory. Increased spatial processing activates the hippocampus and parahippocampal cortex, suggesting a role in complex spatial representations.
Area of Science:
- Neuroscience
- Cognitive Psychology
Background:
- The medial temporal lobe (MTL) is traditionally linked to long-term memory.
- Emerging evidence suggests MTL involvement in short-term working memory and perception.
Purpose of the Study:
- To investigate the medial temporal lobe's (MTL) role in spatial scene perception and working memory.
- To differentiate between the effects of working memory demand and spatial processing complexity on MTL activity.
Main Methods:
- Functional neuroimaging (fMRI) was used on healthy participants.
- A working memory task manipulated working memory demand (high/low) and spatial processing complexity (complex/simple).
Main Results:
- Increased spatial processing significantly activated the posterior hippocampus and parahippocampal cortex.
- An interaction effect showed increased working memory demand enhanced activity in these regions only during complex spatial processing.
Conclusions:
- The MTL, particularly the posterior hippocampus and parahippocampal cortex, plays a critical role in processing complex spatial representations.
- This spatial processing may underpin both short- and long-term memory functions.
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