Do importance instructions improve time-based prospective remembering in autism spectrum conditions?

Area of Science:

• Developmental Psychology
• Neurodevelopmental Disorders
• Cognitive Neuroscience

Background:

• Autism Spectrum Disorder (ASD) is characterized by social communication differences and restricted interests.
• Prospective memory (PM), the ability to remember to perform intended actions in the future, is crucial for daily functioning.
• Theory of Mind (ToM) deficits are common in ASD, potentially influencing how motivation affects cognitive tasks like PM.

Purpose of the Study:

• To investigate the effect of personal versus social motivation on prospective memory (PM) in autistic adolescents compared to controls.
• To test the hypothesis that autistic individuals would benefit more from personal rewards, while controls would benefit more from social rewards.
• To explore the role of motivation in prospective memory performance within the context of autism.

Main Methods:

• A mixed-design study involving 61 autistic and 61 typically developing adolescents.
• Participants were assigned to one of three motivation conditions: standard, social reward, or personal reward.
• A 2-back picture-based ongoing task with an embedded time-based PM task was administered.

Main Results:

• Overall, control participants outperformed autistic participants on the PM task.
• Contrary to hypotheses, no significant main effect of motivation condition or group-by-condition interaction was found.
• Further analysis revealed that controls significantly outperformed autistic individuals specifically in the personal reward condition.

Conclusions:

• Autistic adolescents did not show differential PM performance across motivation conditions.
• Typically developing adolescents demonstrated superior PM performance when motivated by personal rewards.
• These findings suggest that motivational influences on prospective memory may differ between autistic and neurotypical individuals, particularly concerning personal incentives.