Speech Planning & Lexical Perception

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Abstractions about articulatory features, palatalization, spoken-word recognition, language production, and errors caused by transposed letters.

5 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Advanced and Retracted Tongue Root — A language-specific speech-sound contrast that partitions vowels by coordinated tongue-root and pharyngeal configuration, often providing the feature that organizes tongue-root vowel harmony.
• Cohort Model — Recognize a spoken word incrementally by activating lexical candidates compatible with its onset, continuously selecting against mismatching competitors as acoustic evidence arrives, and integrating the surviving lexical interpretation with higher-level context.
• Language Production — Transform a communicative intention into a timed spoken, signed, or written signal by planning a message, selecting lexical items, encoding grammatical and phonological or orthographic form, executing it, and monitoring the result.
• Palatalization (Sound Change) — Transform a consonant historically toward palatal articulation—by adding a palatal secondary gesture or changing its primary place or manner—typically under the influence of a front vowel or palatal glide.
• Transposed letter effect — Observe that a letter string formed by swapping positions within a base word often activates that word more strongly than a matched replacement-letter control, revealing flexible but constrained orthographic position coding.