RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
179 results for "first language attrition" — page 4 of 9
ZG_3_15 — Philosophy of Linguistics: Chomsky Debate, Innateness, and Language as Instinct
The philosophy of linguistics investigates the foundational questions that underlie the scientific study of language: What is language? Is it fundamentally a biological organ, a social convention, a cognitive skill, or a
ZG_3_04 — Gesture and Body Language in Communication
Gesture and body language constitute a fundamental dimension of human communication that operates alongside, independently of, and sometimes in contradiction to spoken language. Research in kinesics (the study of body mo
Q_3_11 — Cosmic Reionization and First Stars
The Epoch of Reionization (EoR) refers to the period in cosmic history (~150 million to ~1 billion years after the Big Bang, redshifts z ≈ 15–6) when the first luminous sources — Population III (Pop III) stars, early gal
ZC_5_13 — Linguistic Anthropology: Language, Culture, and Sapir-Whorf
Linguistic anthropology — one of the four traditional subfields of American anthropology (alongside cultural, biological/physical, and archaeological anthropology) — studies the relationships between language and social
ZC_1_08 — Psycholinguistics & Language-Thought Relationship
Psycholinguistics investigates the cognitive processes underlying language comprehension, production, and acquisition — and the relationship between language and thought has been one of the most debated questions in cogn
D_3_06 — Terracotta Army — First Emperor's Eternal Guard
The Terracotta Army is a collection of approximately 8,000 life-sized clay soldier figures, 130 chariots, 520 chariot horses, and 150 cavalry horses buried in three major pit complexes adjacent to the mausoleum of Qin Sh
ZD_1_10 — Automata Theory and Formal Languages
Automata theory studies abstract computational machines and the classes of languages they recognize, forming the mathematical backbone of computer science. The Chomsky hierarchy (1956–59) classifies formal languages into
ZD_3_11 — History of Programming Languages: From Machine Code to Modern Paradigms
The history of programming languages traces the evolution of formal notations for instructing computers — from the raw binary patterns of machine code and the mnemonic abbreviations of assembly language through the devel
ZD_2_03 — Natural Language Processing
Natural language processing (NLP) — the computational analysis, understanding, and generation of human language — spans rule-based, statistical, and neural approaches across tasks including machine translation, text clas
L_1_06 — Human Migration Synthesis — DNA, Language, and Culture
The synthesis of genetic, linguistic, and archaeological evidence has transformed understanding of human migration over the past three decades.
Y_4_10 — Glossolalia, Xenoglossy, and Altered Language States
Glossolalia — commonly known as "speaking in tongues" — is a cross-cultural phenomenon in which individuals produce fluent, seemingly language-like vocalizations that do not correspond to any known natural language. Prac
P_4_03 — Language, Naming, and the Creative Word
Across unrelated civilizations, language — specifically the spoken word — is understood as a creative force, not merely a communication tool. The Egyptian god Ptah creates the world through speech; the Hebrew God speaks
P_5_05 — Philosophy of Language
The philosophy of language asks: How do words and sentences get their meaning? How does language connect to reality? Can thought exist without language? Is meaning determined by the speaker's intention, by social convent
F_1_07 — First Americans Debate — Clovis, Pre-Clovis, and Coastal Routes
The question of when and how humans first reached the Americas has been transformed in the 21st century by a series of discoveries that have demolished the long-reigning "Clovis-first" paradigm. For decades, the archaeol
A_1_11 — Ebla Tablets and Third-Millennium Syrian Archives
The Ebla tablets comprise approximately 17,000 cuneiform tablets and fragments discovered at Tell Mardikh (ancient Ebla) in northwestern Syria between 1964 and 1975 by an Italian archaeological team led by Paolo Matthiae
A_3_19 — Basque Mythology & Creation Traditions
Basque mythology represents one of Europe's oldest surviving pre-Indo-European belief systems, preserved through the oral traditions of the Basque people (self-named Euskaldunak) of the western Pyrenees (the Basque Count
ZG_2_01 — Proto-Indo-European — Reconstruction, Homeland, and Migration
Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family — the most widely spoken language family on Earth, encompassing ~3.2 billion native speakers across branches including I
ZG_5_17 — Neurolinguistics & Brain Imaging
Neurolinguistics — the study of the neural mechanisms underlying the comprehension, production, and acquisition of language — has been transformed by advances in neuroimaging technology since the 1990s, moving from a fie
ZG_5_04 — Writing System Reform: Simplified Chinese, Turkish Latin, Hangul
Writing system reforms — deliberate, planned changes to a language's script, orthography, or writing conventions — represent some of the most dramatic and consequential acts of language planning in history. Three landmar
ZG_1_18 — Sound Symbolism and Phonosemantics
Sound symbolism — the non-arbitrary association between speech sounds and meaning — challenges the foundational Saussurean principle that the relationship between a word's form and its meaning is entirely arbitrary (Ferd
BROWSE BY SECTION — 3,721 documents across 34 fields