Publication Date
| In 2025 | 0 |
| Since 2024 | 0 |
| Since 2021 (last 5 years) | 0 |
| Since 2016 (last 10 years) | 1 |
| Since 2006 (last 20 years) | 1 |
Descriptor
| Aging (Individuals) | 2 |
| Cognitive Ability | 2 |
| Longitudinal Studies | 2 |
| Adolescents | 1 |
| Adults | 1 |
| Comparative Analysis | 1 |
| Down Syndrome | 1 |
| Intellectual Disability | 1 |
| Intelligence Quotient | 1 |
| Males | 1 |
| Neuropsychology | 1 |
| More ▼ | |
Publication Type
| Journal Articles | 2 |
| Reports - Research | 2 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
| Leiter International… | 2 |
What Works Clearinghouse Rating
Peer reviewed
Direct linkSauna-aho, Oili; Bjelogrlic-Laakso, Nina; Rautava, Päivi; Arvio, Maria – Journal of Applied Research in Intellectual Disabilities, 2020
Background: Fragile X syndrome (FXS) is the most common inherited cause of intellectual disability. The aim of our longitudinal study was to describe ageing-related cognitive changes in men with FXS. Method: A neuropsychologist determined the raw scores (RSs) of 19 men with FXS twice with the Leiter International Performance Scale at an average…
Descriptors: Aging (Individuals), Schemata (Cognition), Males, Intellectual Disability
Carr, J. – Journal of Intellectual Disability Research, 2005
Background: Longitudinal studies show that in the general population IQ declines with age: early and rapidly in the case of performance IQ, later and more slowly in the case of verbal IQ. These populations have not apparently included people with intellectual disabilities (ID). Method: A literature search identified 11 studies, some…
Descriptors: Cognitive Ability, Verbal Ability, Performance Tests, Longitudinal Studies
