The procedural learning deficit hypothesis of language learning disorders: we see some problems

Area of Science:

• Cognitive Psychology
• Developmental Neuroscience
• Educational Psychology

Background:

• Impaired procedural learning is hypothesized to underlie developmental dyslexia (DD) and specific language impairment (SLI).
• Understanding the link between learning processes and academic attainment is crucial for early identification and intervention.

Purpose of the Study:

• To investigate the relationship between verbal and non-verbal implicit and explicit learning and academic attainment in children.
• To evaluate the reliability and sensitivity of procedural learning measures in a pediatric sample.

Main Methods:

• A large sample of 7-to-8-year-old children completed assessments of verbal and non-verbal implicit and explicit learning.
• Language, literacy, and arithmetic attainment were measured.
• Statistical analyses examined correlations between learning measures and academic outcomes.

Main Results:

• Verbal explicit learning measures showed significant correlations with academic attainment.
• No significant relationships were found between implicit learning measures and academic attainment.
• The reliability of the implicit learning tasks employed was found to be poor.

Conclusions:

• Current measures of procedural learning are often unreliable and insensitive to individual differences in children.
• Verbal explicit learning is more strongly associated with academic skills than implicit learning in this age group.
• The proposed link between impaired implicit procedural learning and DD/SLI requires further investigation with more robust measures.