Autism-associated learning patterns show reduced credit assignment to outcome-irrelevant features

Area of Science:

• Cognitive Psychology
• Behavioral Economics
• Neurodevelopmental Disorders

Background:

• Humans often exhibit biased learning, relying on irrelevant information for decisions.
• Previous research suggests autism may reduce susceptibility to biases in static contexts.
• Generalization of this resistance to dynamic learning environments remains unclear.

Purpose of the Study:

• To investigate outcome-irrelevant learning in dynamic environments.
• To test if autistic individuals show greater resistance to learning biases.
• To explore the role of autistic traits in decision-making rationality.

Main Methods:

• Utilized a reinforcement learning task with outcome-irrelevant features.
• Employed computational modeling and model-agnostic analyses.
• Compared learning patterns in autistic and non-autistic participants.

Main Results:

• Autistic participants exhibited significantly reduced outcome-irrelevant learning.
• Reduced outcome-irrelevant learning correlated with higher autistic traits.
• Findings suggest a dimensional cognitive profile rather than a categorical difference.

Conclusions:

• Autism is associated with enhanced resistance to outcome-irrelevant learning biases.
• Autistic cognitive styles may offer advantages in rational decision-making.
• This resistance represents a domain-specific cognitive advantage in autism.