Social importance enhances prospective memory: evidence from an event-based task.

Area of Science:

• Cognitive Psychology
• Neuroscience

Background:

• Task importance, such as rewards, typically enhances prospective memory (PM) but incurs costs in ongoing task performance.
• Social importance has been shown to improve PM in activity-based and time-based tasks without additional monitoring costs.

Purpose of the Study:

• To investigate the effect of social importance on event-based prospective memory (EBPM).
• To determine if social importance influences EBPM performance and associated costs in ongoing tasks.

Main Methods:

• Compared four conditions: social importance, reward, combined social importance and reward, and a control group for EBPM.
• Measured prospective memory performance and ongoing task performance across conditions.

Main Results:

• All importance conditions (social, reward, combined) showed enhanced EBPM performance compared to the control.
• Additional costs in ongoing task performance were observed only when both social importance and reward were present.
• Neither social importance nor reward alone led to greater costs than the standard control condition.

Conclusions:

• Social importance and reward can effectively enhance event-based prospective memory.
• These motivational factors can improve EBPM performance without imposing additional costs on ongoing task execution when applied individually.