Sentence Production

How do we speak?

• Conceptualization: decide what we want to say (message planning)

• Lexicalization (lemma retrieval): choose the words that express the message

• Word order planning: arrange words in the correct sequence

• Syntactic structuring: build the sentence structure (grammar rules)

• Phonological encoding (form encoding): determine how words should sound

• Articulation: plan and execute muscle movements to produce speech sounds

How do we produce sentences?

• Message stage: start with intended meaning (e.g., WAKE: alarm clock, boy)

• Goal: express a semantic idea in language

• Problem: unclear how steps (word choice, order) are coordinated

• Serial retrieval idea: get all words first, then order them (too slow/inefficient)

• Simultaneous retrieval idea: activate all words at once (conflicts due to lexical competition)

• Conclusion: sentence production is incremental

• Key idea: words are retrieved one at a time

• Open question: how and where does the process start?

How does word order affect sentence production?

• Message: WAKE (alarm clock, boy)

• Sentence structure depends on which word is retrieved first

• If “boy” is retrieved first:

  • “The boy was woken up by the alarm clock” (passive structure)

• If “alarm clock” is retrieved first:

  • “The alarm clock woke the boy up”

  • “The alarm clock woke up the boy” (active variants)

• If “wake” is retrieved first:

  • Multiple structural options possible (verb-driven sentence building)

• Key idea: early word selection influences grammatical structure and sentence form

What happens in grammatical encoding (Bock & Levelt, 1994)?

• Message

• → (FP PHASE) Lexical selection & functional assignment

  • retrieve lemmas

  • assign grammatical roles (e.g., subject, object)

• Functional processing

  • lemmas are tagged for their syntactic functions

• → (PP PHASE) Constituent assembly & inflection

  • build sentence structure

  • add grammatical markers (tense, agreement, etc.)

• Positional processing

  • establish word order and structural relations

  • create slots for function words and inflections

• Flow of production

  • Message → Lexical selection/functional assignment → Constituent assembly/inflection → Phonological encoding

What is functional processing in grammatical encoding?

• Assigns grammatical roles to nouns (e.g., subject, direct object)

• Examples:

  • “The boy (subject) kissed the girl (direct object)”

  • “The girl (subject) kissed the boy (direct object)”

  • “The boy gave the girl the hat” (subject, indirect object, direct object)

• Purpose: determines who does what to whom in a sentence

• Errors in assignment lead to role reversal

• Example error:

  • Intended: “He offends her sense of how the world should be”

  • Produced: “She offends his sense of how the world should be”

What is positional processing in sentence production?

• Determines linear word order and constituent structure

• Builds sentence frame based on assigned grammatical roles

• Example:

  • If “girl” is subject → “The girl was kissed by the boy” (passive structure)

• Handles ordering decisions, e.g.:

  • Adjectives: “tall, dark, and handsome” vs “dark, handsome, and tall”

  • Conjunctions: “bread and butter” vs “butter and bread”

• Inserts function words and inflections

• These elements are not stored in the initial frame, but added during processing

• Can lead to production errors (e.g., word order mix-ups like “maniacs for weekends”)

What is the evidence for two stages of grammatical encoding?

• Speech errors support two distinct processes: functional vs positional processing

• Word exchange/substitution errors:

  • e.g. “My boy terrifies the cat next door”

  • Respect the Syntactic Category Constraint (SCC)

  • Suggest early stage where grammatical class matters

• Stranding errors:

  • e.g. “I trucked my park”

  • Do not respect SCC

  • Suggest later stage where word order is rearranged without category constraints

• Evidence shows lemma retrieval and word ordering are separate stages

• Syntactic priming studies:

  • prior sentence structure influences later sentence production

• Agreement error studies:

  • examine when and why subject–verb agreement mistakes occur

What is syntactic priming and what does it show about sentence production?

• Definition: exposure to a sentence structure increases likelihood of producing the same structure

• Example:

  • Passive → more passive production later

  • Active → more active production later

  • Prepositional object (PO) → primes PO

  • Direct object (DO) → primes DO

• Key finding: structural form is repeated, not just words

• Example:

  • Prime: “The girl was bitten by the dog” (passive)

  • Target: “The nun is being followed by the sailor” (passive more likely)

• Conclusion: sentences sharing syntactic structures are mentally represented similarly

What are examples of syntactic priming structures?

• Active structure: “The alarm wakes the man.”

• Passive structure: “The man is woken by the alarm.”

• Prepositional object (PO): “The cowboy gives a banana to the robber.”

• Double object (DO): “The cowboy gives the robber a banana.”

How do structural and function words relate to syntactic priming?

• Structural forms (prepositional datives):

  • “The secretary took a cake to her boss” (recipient)

  • “The secretary baked a cake for her boss” (benefactive)

• Finding (Bock, 1989):

  • Prepositional dative structures prime other prepositional datives

  • e.g. “the man feeds fish to the seals”

• These structures are primed more than double object forms

  • e.g. “the man feeds the seals fish”

• Key insight:

  • Priming occurs even when argument roles differ (semantic differences)

  • and when function words differ

• Conclusion: syntactic structure is abstract and independent of specific words or meanings

Is syntactic priming based on structure or meaning?

• Example structures:

  • Active: “The construction worker drove the bulldozer.”

  • Passive: “The construction worker was hit by the bulldozer.”

  • Locative: “The construction worker was digging by the bulldozer.”

• Finding (Bock & Loebell, 1989):

  • Both passives and locatives prime passive sentence structures

  • More than active structures

• Key result:

  • Priming occurs even when meanings differ

• Conclusion:

  • Syntactic priming is driven by structure, not semantics

Does surface similarity or constituent structure drive syntactic priming?

• Example primes:

  • DO: “Susan brought Stella a book.”

  • PO: “Susan brought a book to Stella.”

  • To-clause: “Susan brought a book to study.”

• Finding (Bock & Loebell, 1989):

  • Only PO structures prime prepositional dative forms

  • e.g. “The man feeds a fish to the seal”

• Key result:

  • To-clause sentences do not produce priming

• Conclusion:

  • Priming depends on constituent structure, not surface similarity

  • Similar-looking sentences do not prime if underlying syntax differs

How do lexical interactions affect syntactic priming?

• Conditions:

  • PO prime + lemma repetition: “feeds … to her child”

  • PO prime + form change: “is feeding … to her child”

  • PO prime + no repetition: “gives … to her child”

• Findings (Pickering & Branigan, 1998):

  • Changing verb form (lexeme) does not affect priming strength

  • Repeating the same lemma increases (boosts) priming

• Key insight:

  • Priming depends on abstract lexical representations (lemmas), not surface word form

• Implication:

  • Lemmas are linked to syntactic structures (phrasal options)

• Conclusion:

  • Supports role of functional processing in sentence production

Why is structure important in syntactic priming?

• Supports two-stage theory of grammatical encoding

• Shows how speakers choose between structural alternatives

• Sentence production is not فقط about meaning—structure can be primed

• Syntactic priming effect: tendency to reuse recently encountered structures

• Syntactic frames are independent of:

  • specific words (lexical items)

  • meaning (semantics)

  • function words

• Evidence that priming is structural:

  • Not due to lexical repetition

  • Not due to semantic similarity

  • Not due to function word repetition

  • Requires shared syntactic structure

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What does evidence from agreement errors show about syntax in production?

• Syntactic priming:

  • shows that sentence production relies on abstract structure

• Additional evidence: agreement errors

• Agreement errors:

  • occur when verb does not match subject in number

• Examples of correct agreement:

  • “I am / go / have”

  • “You are / go / have”

  • “He is / goes / has”

  • “We are / go / have”

• Key insight:

  • producing correct sentences requires tracking syntactic relationships (e.g., subject–verb agreement)

• Conclusion:

  • syntax plays a crucial role in guiding sentence production

What do agreement errors reveal about sentence production?

• Agreement rule: verb must match subject in number

  • “The keys are…” vs “The key is…”

• Irrelevant elements:

  • Other nouns (e.g., objects) do not affect agreement

  • “The key is in my bags” ✔

• Agreement errors occur:

  • Especially when another noun appears in the subject phrase

  • “The key to the cabinets are/is*…”

• Same error rate in statements & questions:

  • “Is/Are the key to the cabinets…”

• Key insight:

  • Agreement is computed before word order (linear position) is finalized

• Evidence for 2-stage processing:

  • Separation between functional (roles, agreement) and positional (order) stages

• Error patterns:

  • More errors when intervening noun is plural (“cabinets”)

  • More errors when distance between subject head and verb increases

What factors influence agreement errors?

• Phonological cues:

  • “The player on the courts” vs “course”

  • ❌ Do not influence errors (Bock & Eberhard, 1993)

• Semantic (meaning) cues:

  • “The label on the bottles”

  • “The baby on the blankets”

  • ✔ Can increase errors when meaning suggests plurality

• Conceptual influence:

  • More errors when context supports a plural interpretation

• Positional cues:

  • ❌ Do not drive agreement errors

• Conclusion:

  • Agreement errors influenced by semantic (top-down) factors

  • Not by phonology or position

• Implication:

  • Supports two-stage model of sentence production

What is incrementality in sentence production?

• Sentence production is not fully planned in advance

• Incrementality = “assembly-line” process:

  • start next stage once part of sentence is ready

• Speakers can begin speaking before the whole sentence is planned

• Planning is partial, not all-or-nothing

• Evidence (Smith & Wheeldon, 1999):

  • Sentences with complex beginnings take longer to start

    • “The dog and the kite move above the house”

  • Faster when complexity comes later

    • “The dog moves above the kite and the house”

• Key insight:

  • Early parts of a sentence must be planned before speaking

  • Later parts can be planned on the fly

• Conclusion:

  • Sentence production is incremental and dynamic

Can we make sentence choices on the fly and still speak fluently?

• Key question: can speakers decide word order during speaking without losing fluency?

• Method (Griffin & Garton, 2003):

  • Picture-matching task with a confederate describing images

  • Participant either confirms or corrects the description

• Examples:

  • “Is the young boy feeding fish to the seal?”

  • Corrections:

    • “No, the young boy is feeding fish to the seal”

    • “Yes, the young boy is feeding fish to the seals”

What does Griffin & Garton (2003) show about on-the-fly sentence planning?

• More eye-movement shifts:

  • Increased fixations between recipient (seal) and theme (fish)

  • Occurs when generating sentences vs repeating

• Interpretation:

  • Back-and-forth looks = indecision during planning

• More disfluencies:

  • Hesitations increase when speakers must choose structure

• Key insight:

  • Speakers begin speaking before full sentence is planned

• Example:

  • Start: “The woman is feeding…” → decide rest أثناء speaking

• Conclusion:

  • Supports incremental sentence production

  • Planning and speaking overlap in real time

How are abstract syntactic structures built in sentence production?

• Built through two stages of grammatical encoding

• Syntactic choices depend on:

  • intended message (what we want to say)

  • activation of compatible structures

• Speakers tend to reuse recently encountered structures

  • supported by syntactic priming effects

• Priming is structural:

  • not dependent on meaning (thematic roles)

  • not dependent on surface similarity or shared words

• Evidence from:

  • syntactic priming

  • agreement errors

• Key conclusions:

  • supports 2-stage model (functional + positional processing)

  • supports incremental sentence production