| 1 | # Child language acquisition (L1) — status v1 |
| 2 | |
| 3 | ## Scope |
| 4 | |
| 5 | Empirical и теоретический контур **усвоения первого языка ребёнком**: child-directed speech, типы feedback, lexical mapping (conventionality, contrast, context). **Не** CLD/SLP клиника; **не** CASA teacher/sleep spec. |
| 6 | |
| 7 | ## Completion state |
| 8 | |
| 9 | Status: **Done v1 (full pass on available PDFs; 2 paywall gaps)** |
| 10 | |
| 11 | Artifacts: |
| 12 | |
| 13 | - [`README.md`](README.md) — мир `cognition.language-acquisition` |
| 14 | - [`kb-language-acquisition-fundamentals-v1.md`](kb-language-acquisition-fundamentals-v1.md) |
| 15 | - [`kb-language-acquisition-scientific-evidence-v1.md`](kb-language-acquisition-scientific-evidence-v1.md) |
| 16 | - [`playbook-language-acquisition-operational-v1.md`](playbook-language-acquisition-operational-v1.md) |
| 17 | - [`matrix-language-acquisition-transfer-v1.md`](matrix-language-acquisition-transfer-v1.md) |
| 18 | - Evidence (per paper): [`kb-language-acquisition-snow-1972-evidence-v1.md`](kb-language-acquisition-snow-1972-evidence-v1.md), [`kb-language-acquisition-snow-1977-evidence-v1.md`](kb-language-acquisition-snow-1977-evidence-v1.md), [`kb-language-acquisition-demetras-1986-evidence-v1.md`](kb-language-acquisition-demetras-1986-evidence-v1.md), [`kb-language-acquisition-saxton-1997-evidence-v1.md`](kb-language-acquisition-saxton-1997-evidence-v1.md), [`kb-language-acquisition-clark-lexicon-principles-evidence-v1.md`](kb-language-acquisition-clark-lexicon-principles-evidence-v1.md) |
| 19 | |
| 20 | ## Guardrails |
| 21 | |
| 22 | - Не импортировать findings в CASA `correction_kind` / sleep bench без engineering bridge. |
| 23 | - Указывать **read_depth** (full / partial / abstract) — см. scientific-evidence index. **partial** = не abstract-only, но PDF не целиком (paywall). |
| 24 | - Спорные зоны (motherese correlations, universal negative evidence) — **debate**, не «прописная истина». |
| 25 | |
| 26 | ## Router |
| 27 | |
| 28 | - Domain Entry Map: `index-knowledge-router-v1.md` · Child language acquisition (L1) |
| 29 | |
| 30 | *Версия: v1.0 · 2026-05-31* |
| 31 | |
| 32 | |