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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
Impact of aging brain circuits on cognition
Rachel D Samson1, Carol A Barnes
1Evelyn F McKnight Brain Institute, University of Arizona, Tucson, AZ, USA.
The European Journal of Neuroscience
|June 19, 2013
Summary
Brain networks involving the hippocampus and prefrontal cortex show consistent age-related changes across species. This research highlights conserved neural and cognitive alterations throughout the lifespan.
Area of Science:
- Neuroscience
- Cognitive Science
- Comparative Psychology
Background:
- The hippocampus and prefrontal cortex are crucial for environmental interaction and cognitive functions.
- Cognitive processes like memory, navigation, and attention, mediated by these areas, change across the lifespan.
- Age-related alterations in these brain regions and functions are observed in humans and other animals.
Purpose of the Study:
- To examine the consistency of age-related neural and cognitive changes across species.
- To investigate how brain mechanisms underlying cognitive functions change with age.
- To explore the utility of cross-species comparisons for studying brain aging.
Main Methods:
- Comparative analysis of age-related cognitive and neural changes in humans and animal models.
- Focus on cognitive functions dependent on the hippocampus and prefrontal cortex.
- Utilizing cross-species investigation of cognitive constructs.
Main Results:
- Remarkable consistency observed in age-related neural and cognitive changes across different species.
- Identified shared patterns of decline in hippocampal- and prefrontal cortex-dependent functions.
- Demonstrated the value of cross-species research for understanding brain aging.
Conclusions:
- Age-related cognitive and neural changes in key brain networks are conserved across species.
- Cross-species research provides a powerful framework for elucidating the fundamental mechanisms of brain aging.
- Understanding these conserved changes can inform interventions and support healthy cognitive aging.
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