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Age-related changes and the impact of early Alzheimer's disease on spatial comprehension

Age-related changes and the impact of early Alzheimer's disease on spatial comprehension - Age-related changes and the impact of early Alzheimer's disease on spatial comprehension

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000058620
Enrollment
153
Registered
2025-10-10
Start date
2025-10-10
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alzheimer&#39

Interventions

The spatial comprehension task was administered. Sentences involving human relationships (e.g., uncle-nephew) were excluded, as they were expected to be influenced by generational differences. Similar
the triangle is to the right of the circle and to the left of the square&quot
) were excluded due to the anticipated influence of visuospatial processing. The task was based on Urano et al. (2011) and consisted of 30 sentences involving relational understanding: 12 temporal re

Sponsors

International University of Health and Welfare
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Individuals who provided informed consent 2.Individuals whose age falls within the designated range for each age group; for the AD group, participants were within one year of diagnosis 3.Individuals without a predisposition for left-handedness, as determined by the Edinburgh Handedness Inventory

Exclusion criteria

Exclusion criteria: Individuals with a large amount of missing data in the collected dataset

Design outcomes

Primary

MeasureTime frame
Number of correct responses on the spatial comprehension task

Countries

Japan

Contacts

Public ContactTomohiro Omori

International University of Health and Welfare Department of Speech and Hearing Sciences School of Health Sciences at Narita

tomohiroomori@ihwg.jp0476207793

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026