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Practical Methodology of Cognitive Tasks Within a Navigational Assessment

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Do individuals with intellectual disability select appropriate objects as landmarks when learning a new route?

Y Courbois¹, M Blades, E K Farran

¹Laboratoire PSITEC, Université Lille Nord de France, Villeneuve d'Ascq, France. yannick.courbois@univ-lille3.fr

Journal of Intellectual Disability Research : JIDR

|December 12, 2012

Summary

Individuals with intellectual disability (ID) are less efficient in selecting landmarks for navigation compared to those without ID. This landmark selection difference may impact daily travel and spatial understanding.

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Area of Science:

Cognitive Psychology
Neurodevelopmental Disorders
Spatial Navigation

Background:

Investigating landmark selection in individuals with intellectual disability (ID).
Hypothesizing reduced efficiency in landmark selection for individuals with ID when learning new routes.

Purpose of the Study:

To compare landmark selection strategies between individuals with and without ID.
To understand how landmark selection differences impact wayfinding abilities.

Main Methods:

Comparative study in a naturalistic setting.
Participants with ID and age-matched controls learned and navigated an unfamiliar route.
Wayfinding effectiveness assessed by landmark selection during route recall.

Main Results:

Significant differences in selecting non-permanent, distant, and non-unique landmarks.
Individuals with ID selected more non-unique landmarks and fewer textual signs at decision points.
Both groups selected landmarks near intersections similarly.

Conclusions:

Individuals with ID demonstrate less efficient landmark selection compared to controls.
Impaired landmark selection may hinder daily wayfinding and spatial knowledge acquisition.
Difficulties in understanding environmental configural structure may result from these selection differences.