Related Experiment Video
Updated: Dec 12, 2025
10:07
Using Fiberless, Wearable fNIRS to Monitor Brain Activity in Real-world Cognitive Tasks
Published on: December 2, 2015
27.7K
Age-related prefrontal cortex activation in associative memory: An fNIRS pilot study
Deborah Talamonti1, Catharine A Montgomery2, Dan P A Clark3
1EPIC Center, Montreal Heart Institute, Montreal, Quebec, Canada; School of Psychology, Liverpool John Moores University, Liverpool, United Kingdom.
Neuroimage
|August 10, 2020
Summary
Younger adults show greater prefrontal cortex activation and right lateralization during memory tasks compared to older adults. Memory organization strategies, like temporal clustering, remain consistent across age groups.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Gerontology
Background:
- Age-related memory decline is common, potentially linked to reduced prefrontal cortex (PFC) activation and lateralization.
- Compensatory mechanisms may influence brain activity in older adults during memory tasks.
Purpose of the Study:
- To investigate the impact of age on PFC activation during memory association tasks.
- To examine age-related differences in temporal versus spatial memory clustering strategies.
- To explore the role of PFC in temporal association memory.
Main Methods:
- A pilot study using functional Near-Infrared Spectroscopy (fNIRS) to measure PFC hemodynamics.
- Participants included younger adults, high-performing older adults, and low-performing older adults.
- A free recall task assessed memory for temporal or spatial clustering of stimuli.
Main Results:
- Younger adults exhibited distinct PFC activation and right lateralization.
- Temporal clustering was the preferred memory strategy across all age groups.
- Age did not significantly alter memory organization strategy preference.
Conclusions:
- PFC activation and right lateralization may be specific to younger adults in memory tasks.
- The prefrontal cortex appears crucial for memory of temporal associations.
- Age-related deficits in temporal organization could indicate early PFC pathology or neurodegeneration.
More Related Videos
Related Concept Videos
01:21Association Areas of the Cortex
8.2K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
8.2K
01:14Role of Cerebellum and Prefrontal Cortex in Memory
868
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
868