Neural ratio sensitivity in parietal cortex, including bilateral IPS, increases with development from childhood into adulthood¶
Claim · All claims
Evidence · 1 study · associationalr2·q2
Currency · newest study 2015 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2020: 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.
q2 i? Positive NRE age effects were found predominantly in parietal regions including bilateral IPS, with no negative age effects in the parietal lobe, indicating increasing ratio sensitivity with age. → Haist Frank 2015
Evidence¶
Haist Frank 2015¶
Haist Frank, Wazny Jarnet H., Toomarian Elizabeth, Adamo Maha. (2015). Development of brain systems for nonsymbolic numerosity and the relationship to formal math academic achievement. Human brain mapping. https://doi.org/10.1002/hbm.22666
q2 · i? · associational · r2
Whole-brain linear regression of the voxelwise neural ratio effect on the natural logarithm of age across the 44-participant developmental sample, analyzed in the fMRI results section. Positive age effects included bilateral IPS, angular gyrus, IPL/SMG, and SPL, and were "generally more extensive in right hemisphere parietal cortex."
"Overall, the parietal lobe areas produced the most extensive age effects for the NRE, showing increasing ratio sensitivity with development. These positive effects were generally more extensive in right hemisphere parietal cortex."
Discussion¶
Related Claims¶
- A reliable positive relationship between parietal NRE and math achievement appears only in children, not adolescents or adults — related
- In adults only, poorer math achievement is associated with greater hippocampal NRE sensitivity — related
- In children, the BOLD numerical ratio effect correlates with individual differences in the behavioral ratio effect in right OTC, left superior parietal cortex, and bilateral IFG; no such correlation reaches significance in adults — related
- Behavioral ratio sensitivity for reaction time increases with age, with adults showing greater RT ratio sensitivity than children — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
parietal-nre-increases-with-development |
title |
Neural ratio sensitivity in parietal cortex, including bilateral IPS, increases with development from childhood into adulthood |
description |
Neural ratio sensitivity in parietal cortex, including bilateral IPS, increases with development from childhood into adulthood |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2015 |
recheck_by |
2020 |
generated |
by process:wiki-ingest on 2026-10-17 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — haist-frank-2015 |
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