Learning and exposure affect environmental perception less than evolutionary navigation costs.

Area of Science:

• Cognitive Psychology
• Neuroscience
• Human Navigation

Background:

• Behavior is contingent on environmental navigation, which relies on learned distance perception.
• Little is known about how learning impacts distance perception in adults navigating familiar environments.
• Existing theories offer conflicting predictions regarding learning's effect on distance perception, particularly with differing navigation costs.

Purpose of the Study:

• To investigate how learning and evolutionarily relevant navigation costs influence adult distance perception.
• To test competing predictions from dominant theories on learning's effect on distance estimation.
• To determine if repeated exposure or navigation costs have a greater impact on distance perception.

Main Methods:

• Four experiments were conducted, incorporating within- and between-subjects comparisons.
• Longitudinal study designs were employed in both laboratory and real-world settings.
• Evolutionarily relevant navigation costs were introduced to participants.

Main Results:

• Adult distance estimation rapidly incorporated evolutionarily relevant navigation costs.
• Repeated exposure to the environment had minimal impact on distance perception.
• Distance perception appears to prioritize reflecting navigation costs over objective accuracy.

Conclusions:

• Human distance perception rapidly adapts to navigation costs, suggesting an evolved mechanism.
• This rapid adaptation provides a stable signal for other behaviors, prioritizing reliability.
• Objective accuracy may be less critical than cost-based reliability in human navigation.