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Spatial language difficulties reflect the structure of intact spatial representation: Evidence from high-functioning
Agata Bochynska1, Mila Vulchanova2, Valentin Vulchanov2
1Department of Language and Literature, Norwegian University of Science and Technology, NTNU Trondheim, Norway; Department of Psychology, New York University, New York, NY, USA.
Cognitive Psychology
|November 20, 2019
Summary
Individuals with Autism Spectrum Disorder (ASD) show strong spatial representation but some language differences. Their spatial language and non-linguistic spatial systems share structural parallels but also exhibit some autonomy.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Neuroscience
Background:
- Spatial language and non-linguistic spatial systems are closely linked in typical development and some disorders.
- Autism Spectrum Disorder (ASD) presents with uneven cognitive and linguistic profiles, making it a unique model for studying these systems.
Purpose of the Study:
- To investigate structural parallels and autonomy between spatial language and non-linguistic spatial representation in individuals with ASD.
- To examine online spatial thinking processes using eye-tracking during axis-based spatial tasks.
Main Methods:
- Four experiments were conducted with high-functioning individuals with autism (HFA) and typically developing controls (TD).
- Tasks involved language and memory for locations organized around an axis-based reference system.
- Eye movements were recorded to analyze online spatial processing.
Main Results:
- HFA participants demonstrated a well-preserved axial reference system in non-linguistic tasks.
- Weaknesses in directional representation within the axis were observed, particularly in spatial language for HFA.
- Clear structural parallels existed between spatial language and representation in both HFA and TD groups, with subtle deviations in HFA's language use.
Conclusions:
- Axial reference systems are prominent in both non-linguistic spatial representations and spatial language.
- Spatial language and non-linguistic spatial systems demonstrate a degree of autonomy in individuals with ASD.
- Findings offer novel insights into the relationship between spatial cognition and language in ASD.
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