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Functional Autonomy Affects Elderly Spatial Perception in Body-Centered Coordinates.

Giorgia Committeri¹, Valentina Sebastiani¹, Francesco de Pasquale²

¹Department of Neuroscience Imaging and Clinical Sciences, and ITAB, University G. d'Annunzio of Chieti-Pescara, Chieti Scalo, Italy.

Journal of Aging Research

|March 10, 2020

Summary

This summary is machine-generated.

Older adults' spatial perception is influenced by their functional autonomy (FA). Higher FA expands the perceived "near" space when judging distances relative to a body, but not objects.

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Area of Science:

Cognitive Neuroscience
Gerontology
Perception Psychology

Background:

Action-specific theory posits that environmental interaction shapes spatial perception.
Aging is associated with altered distance perception and reduced motor resources.
The impact of functional autonomy (FA) on elderly spatial perception remains unclear.

Purpose of the Study:

To investigate if elderly individuals' spatial perception varies with their functional autonomy (FA).
To determine if motor resource decline affects spatial categorization based on self-reference versus other-reference frames.

Main Methods:

Elderly adults with varying FA (measured by IADL scale) performed an extrapersonal space categorization task.
Participants judged target positions ('Near'/'Far') relative to Self, Other (body), and Object reference frames (RFs).

Main Results:

Higher FA correlated with a wider 'Near' space perception when using Self or Other RFs.
This effect was not observed when using an Object RF.
Results suggest FA modulates spatial representation linked to embodied cognition.

Conclusions:

Individual functional autonomy in older adults influences spatial representation, particularly for agent-based distances.
Motor resources and efficiency, reflected in FA, play a key role in embodied spatial cognition during aging.