Inferior parietal cortex (BA 39 and 40) shows greater overall activation in adults than children and a more pronounced effect of relational integration in adults¶
Claim · All claims
Evidence · 1 study · associationalr2·q3
Currency · newest study 2009 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2014: baselines and conditions change
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? Parietal activation was greater in adults than children, with a significant group x condition x timepoint interaction driven by relatively increased REL-1 activation in children. → Crone Eveline A. 2009
Evidence¶
Crone Eveline A. 2009¶
Crone Eveline A., Wendelken Carter, van Leijenhorst Linda, Honomichl Ryan D., Christoff Kalina, Bunge Silvia A. (2009). Neurocognitive development of relational reasoning. Developmental Science, 12(1), 55-66. https://doi.org/10.1111/j.1467-7687.2008.00743.x
q3 · i? · associational · r2
ROI ANOVA on left BA 39 and BA 40 in children and adults performing the RPM-like task. The main effect of group "F(1,30) = 8.0, p < .01" and a group x condition x timepoint interaction (F(16,480)=3.2, p<.001) driven by increased REL-1 activation in children in both parietal ROIs.
"Overall, parietal activation was greater in adults than in children: there was a main effect of group across regions (F(1,30) = 8.0, p < .01) but no region x group or region x condition x group interaction (F's < 1)."
Discussion¶
Related Claims¶
- Children aged 8-12 are disproportionately less accurate than adults on REL-2 problems requiring integration of two relations, but not on REL-1 or REL-0 problems — related
- Children show initially reduced DLPFC activation relative to adults for REL-1 and REL-2 trials, but sustained DLPFC activation for REL-1 problems in the later trial phase — related
- FIR analysis shows adults sustain DLPFC, RLPFC and superior parietal activation for relational integration through later time-bins, whereas children's integration-specific activation appears only in the first time-bins and late DLPFC activation is tied to REL-1 — related
- Adults show sustained RLPFC activation for REL-2 problems, whereas children's early RLPFC differentiation of REL-2 from REL-1 is not sustained across the trial — related
- Adults show greater left inferior lateral PFC activation than adolescents during relational integration — related
- A graded left superior parietal retrieval-success effect emerges by age 12 but is absent in 8-year-olds — related
- Children show greater inferior frontal gyrus activity than adults during numerical comparisons, while adults show greater left superior parietal activity than children — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
parietal-ipl-greater-activation-adults |
title |
Inferior parietal cortex (BA 39 and 40) shows greater overall activation in adults than children and a more pronounced effect of relational integration in adults |
description |
Inferior parietal cortex (BA 39 and 40) shows greater overall activation in adults than children and a more pronounced effect of relational integration in adults |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2009 |
recheck_by |
2014 |
generated |
by process:wiki-ingest on 2026-10-17 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — crone-eveline-a-2009 |
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