Psycholinguistics Cheat Sheet

The core ideas of Psycholinguistics distilled into a single, scannable reference — perfect for review or quick lookup.

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Quick Reference

Mental Lexicon

The mental dictionary that stores information about words, including their phonological form, meaning, syntactic category, and morphological structure. It is organized not alphabetically but by networks of associations based on semantic, phonological, and morphological similarity.

Language Acquisition Device (LAD)

A hypothetical innate cognitive module proposed by Noam Chomsky that equips children with a universal grammar, enabling them to acquire the specific grammar of any language they are exposed to during a critical period of development.

Garden-Path Sentences

Sentences that lead the reader or listener toward an initial syntactic interpretation that turns out to be incorrect, requiring reanalysis. They reveal how the parser makes incremental commitments to syntactic structure.

Lexical Decision Task

An experimental paradigm in which participants see strings of letters and must decide as quickly as possible whether each string is a real word or a nonword. Response times and accuracy reveal how words are stored and accessed in the mental lexicon.

Sapir-Whorf Hypothesis

The theory that the structure of a language influences or determines the way its speakers perceive and conceptualize the world. The strong version (linguistic determinism) claims language determines thought, while the weak version (linguistic relativity) claims language influences thought.

Speech Production Model

Theoretical frameworks describing the stages involved in going from a preverbal message to articulated speech. Levelt's model proposes stages of conceptualization, formulation (lemma retrieval and phonological encoding), and articulation.

Critical Period Hypothesis

The proposal that there is a biologically determined window during early life when language acquisition occurs most naturally and efficiently. After this period, acquiring native-like proficiency becomes significantly more difficult.

Parsing

The real-time cognitive process of assigning syntactic structure to an incoming sequence of words during sentence comprehension. Parsing involves making rapid structural decisions, sometimes leading to misanalysis that requires costly reprocessing.

Phonological Awareness

The ability to recognize and manipulate the sound structures of language, including phonemes, syllables, onsets, and rimes. It is one of the strongest predictors of reading acquisition success in young children.

Bilingual Language Processing

The study of how two or more languages are represented and processed in the bilingual mind. Research shows that both languages are active simultaneously and compete for selection, even when only one is being used.

Key Terms at a Glance

Aphasia:A language disorder resulting from brain damage that impairs the ability to produce or comprehend speech.

Bilingualism:The ability to use two languages proficiently, involving simultaneous activation and competition between both linguistic systems.

Broca's Aphasia:A nonfluent aphasia caused by damage to Broca's area, characterized by effortful speech, impaired grammar, but relatively preserved comprehension.

Cohort Model:A model of spoken word recognition in which the initial sounds of a word activate a set of lexical candidates that are narrowed down as more input is received.

Connectionism:An approach to modeling cognition using artificial neural networks of simple processing units that learn through adjusting connection weights.

Critical Period:A biologically constrained time window during which language acquisition occurs most naturally and efficiently.

Dyslexia:A specific learning disability characterized by difficulty with accurate or fluent word recognition and poor spelling, often linked to deficits in phonological processing.

Eye-Tracking:A research method that records eye movements to study real-time cognitive processing during reading or visual scene inspection.

Garden-Path Effect:The comprehension difficulty that arises when a reader or listener must revise an initial incorrect syntactic analysis of a sentence.

Lemma:An abstract lexical entry that specifies the meaning and syntactic properties of a word but not its phonological form, a key component in speech production models.

Lexical Access:The process of retrieving a word's information from the mental lexicon during language comprehension or production.

Linguistic Relativity:The weak version of the Sapir-Whorf hypothesis, proposing that language influences but does not determine thought and perception.

Mental Lexicon:The cognitive system that stores all of a person's knowledge about words, including their sounds, meanings, and grammatical properties.

Morphology:The branch of linguistics concerned with the structure and formation of words from meaningful units called morphemes.

Neurolinguistics:The study of the neural mechanisms in the brain that control the comprehension, production, and acquisition of language.

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