Borderline Intellectual Functioning
The term borderline intellectual functioning describes a group of people who function on the border between normal intellectual functioning and intellectual disability, between 1 and 2 standard deviations below the mean on the normal curve of the distribution of intelligence, roughly an IQ between 70 and 85.
Wiki Number: W025
Diagnosis: (Borderline) Intellectual Disability
US Patients: US2-3%
Age Onset: Age5
Symptoms: (IQ below 70.) includes Down Syndrome; may learn like others up to age 12
Causes: Trisomy 21-3 sets of the 21st chromosome 21 produces intellectual difficulties
Therapies: Behavioral training, group-home living and sheltered workshops.
4 CURRENT ARTICLES
The world-wide medical research
reports chosen for each diagnosis
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PubMed article’s summary-abstract.
- Biallelic FRA10AC1 variants cause a neurodevelopmental disorder with growth retardationby Leonie von Elsner on October 25, 2021
The major spliceosome mediates pre-mRNA splicing by recognizing the highly conserved sequences at the 5' and 3' splice sites and the branch point. More than 150 proteins participate in the splicing process and are organized in the spliceosomal A, B, and C complexes. FRA10AC1 is a peripheral protein of the spliceosomal C complex and its ortholog in the green alga facilitates recognition or interaction with splice sites. We identified biallelic pathogenic variants in FRA10AC1 in five individuals...
- Comparison of Lower and Upper Quarter Y Balance Test Performance in Adolescent Students with Borderline Intellectual Functioning Compared to Age- and Sex-Matched Controlsby Julian Bauer on September 28, 2021
The Lower (YBT-LQ) and Upper (YBT-UQ) Quarter Y Balance Test are well established assessment tools for the examination of dynamic balance and shoulder mobility/stability, respectively. However, investigations on YBT-LQ/UQ performance in students with borderline intellectual functioning (BIF) (i.e., intelligence quotient of 70-84 etc.) are lacking. Thus, the aim of the study was to compare YBT-LQ/UQ performance in students with and without BIF. Thirty students with BIF (age: 13.7 ± 1.2 years) and...
- Abnormal frontal gyrification pattern and uncinate development in patients with KGB syndrome caused by ANKRD11 aberrationsby Mar Jiménez de la Peña on September 21, 2021
KBG syndrome is characterized by dental, craniofacial and skeletal anomalies, short stature and global developmental delay or intellectual disability. It is caused by microdeletions or truncating mutations of ANKRD11. We report four unrelated probands with this syndrome due to de novo ANKRD11 aberrations that may contribute to a better understanding of the genetics and pathophysiology of this autosomal dominant syndrome. Clinical, cognitive and MRI assessments were performed. Three of the...
- Executive functions and their relationship with intellectual capacity and age in schoolchildren with intellectual disabilityby M Erostarbe-Pérez on September 20, 2021
CONCLUSIONS: The results of our study are consistent with descriptions of the typical population: (1) fluid intelligence is more related to EFs than crystallised intelligence is; and (2) working memory capacity is the EF most strongly related with general, fluid and crystallised forms of intelligence. The results suggest that as children and adolescents with ID/BIF get older, their capacities for working memory and inhibitory control increase; development of the other EFs studied was less...