Exploration of the Role of Vision on Spatial Cognition

Recruiting

• Conditions: Visual Deficiencies

• Registration Number: NCT06088797
• Lead Sponsor: Hospices Civils de Lyon

Brief Summary

Atypical developpement of spatial cognition has been shown in congenital bindness with some consequences on mathematic learning (Cattaneo et al., 2010) as well as on the mental representation of spatial maps (Thinus-Blanc \& Gaunet, 1997). This raises the issue of the role of vision in spatial abilities underlying mathematics and locomotion. These difficulties could also be found in case of partial visual deficiency, like very low visual acuity or large peripheral shrinkage of the visual field.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2023-10-05
• Study First Submitted QC: 2023-10-11
• Study First Posted: 2023-10-18
• Study Start: 2023-10-20
• Status Verified: 2024-03
• Last Update Submitted: 2024-03-04
• Last Update Posted: 2024-03-05
• Primary Completion: 2026-02-01
• Study Completion: 2026-02-01

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 100

Inclusion Criteria

For all :

• Aged 12 to 25
• Participant not opposed to the research and parents do not oppose participation in the protocol for minors

For healthy volunteers (normal sighted):

• with typical visual development with correction if needed

For participant with Visual Deficiencies:

• with congenital blindness
• or low visual acuity (between 1/10 and 3/10)
• or with visual field peripheral shrinkage (angle <20°).

Exclusion Criteria

• General knowledge and working memory skills with a standard score of less than 4
• neurological medical history
• Person deprived of liberty by judicial or administrative decision
• Person subject to a legal protection measure (tutorship, curatorship)

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
percentage of correct responses	through study completion, an average of 2 year	The experimental tasks assess allocentric spatial representations in different modalities with correct responses to spatial vs non spatial questions for the Elementary Spatial Perception test and the mental imagery test.

Trial Locations

Locations (1)

Equipe Trajectoire du CRNL : INSERM U1028, CNRS UMR 5292; 🇫🇷 Lyon, France