Related Experiment Videos
On the relationship between effort toward an ongoing task and cue detection in event-based prospective memory
Richard L Marsh1, Jason L Hicks, Gabriel I Cook
1Department of Psychology, University of Georgia, Athens, GA 30602-3013, USA. rlmarsh@uga.edu
Journal of Experimental Psychology. Learning, Memory, and Cognition
|January 12, 2005
Summary
Prospective memory performance decreases with high cognitive task effort, but only when tasks demand similar processing. Resource allocation depends on task demands, influencing memory recall.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Attention Studies
Background:
- Event-based prospective memory involves remembering to perform an action in the future.
- The cognitive resources required for prospective memory cue detection are debated.
- Understanding resource allocation is key to explaining prospective memory performance.
Purpose of the Study:
- To investigate how attentional effort on an ongoing task affects prospective memory cue detection.
- To determine if the similarity in cognitive processing between tasks influences this effect.
- To explore resource allocation policies in dual-task scenarios.
Main Methods:
- Three experiments manipulated effort on an ongoing cognitive task.
- Intention-related cues were embedded within the ongoing task.
- Cognitive processing demands of the ongoing and prospective memory tasks were varied.
Main Results:
- High effort on the ongoing task impaired prospective memory when processing demands overlapped.
- When processing demands differed, effort did not significantly impact prospective memory.
- Intention presence increased decision latencies in the ongoing task regardless of effort.
Conclusions:
- Prospective memory performance is sensitive to attentional resource allocation.
- Task-specific processing demands critically modulate the impact of divided attention.
- Resource allocation policies are influenced by the interplay between ongoing and intended actions.