Typical Speech and Language Development

Main Ideas & Concepts (Typical Speech/Language Development)

Introduction & Purpose

• Carol Wymer (clinical assistant professor; certified speech-language pathologist) introduces a guide to typical speech and language development from birth to 5 years.
• The focus is not on individual speech sound development, but on how speech and language typically emerge and what caregivers can expect to hear.
• Language learning is described as mostly mysterious, but typically developing children follow predictable stages and predictable ages—with wide variability between children.

Core Message

• Caregivers should track their own child’s progress.
• If there are concerns, ask a pediatrician or an early-childhood-focused speech-language pathologist.

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Typical Stages to Expect (Birth to 5 Years)

From Birth / Early Infant Period: “The Language Dance”

Early social interaction starts immediately

• Baby makes eye contact; smiles back.
• Baby cries; caregiver responds (feeding, holding, attention).

Infants learn from caregiver responses

• By around 4 months:
  • Baby babble-like sounds and cries.
  • When the caregiver calms the baby, the baby’s desire to communicate increases.
  • Baby is listening to environmental sounds and to sounds the caregiver makes.

Understanding begins before speaking

• Babies understand more than they can say.
• They may look toward objects/people when named.

~6 Months

• Baby recognizes caregiver’s voice and familiar environmental sounds (e.g., birds, airplanes, favorite lullabies).

6 to 9 Months

Babbling begins

• Baby produces easy-to-produce sounds repeatedly.
• Repeated sound combinations gradually begin to resemble real words.

Turn-taking matters

• Caregiver repeating baby’s sounds signals interest.
• Baby gains pleasure and participates in longer turn-taking.

~12 to 15 Months

First real word

• Baby says a first meaningful word, then rapidly adds more (described as quickly blossoming).

Play, imitation, and comprehension

• Baby plays games like peekaboo.
• May imitate a song or gestures.
• Understands and responds to simple requests (e.g., give up a bottle/toy).

Meaningful word use

• When saying “mama” or “dada,” baby knows who is being called.

Illustrated example (15-month-old)

• The video highlights how much comprehension can exceed expression, with the child:
  • Answering questions like “who am I” / “who are you”
  • Identifying body parts and objects (head, ears, nose, chin, belly button, arm, hands, tongue, teeth, chair, etc.)
  • Producing some words/sounds (e.g., greetings like “hi”, “bye-bye”) while understanding far more.

18 to 24 Months

Vocabulary explosion

• Spoken vocabulary grows rapidly (“leaps and bounds”).

Two-word combinations

• Baby begins combining two words (e.g., “Daddy go,” “no shoe”).

Concept learning through language

• Two-word phrases reveal not just words, but concepts being learned.

Pretend play with language

• Simple pretend play (feeding a doll, talking on a toy phone).
• Words are used meaningfully in play.

Around Age 2 to Age 3 (Transition Through Age 3)

More complex communication

• Child begins producing questions and more “grown-up sounding” statements.

Pretend play expands

• By age 3, pretend play includes everyday routines the child has seen.
• Child asks how/why questions.

Social interaction

• Child increasingly enjoys interacting with other children.

Emotional and Social Language Development (Emphasis)

• Children learn to use language to:
  • Express care, frustration, acceptance, and rejection
• Modeling language and practicing conflict resolution is presented as:
  • Helping emotional self-regulation
  • Helping children navigate challenging interactions calmly with others

By ~4 Years

More complex sentences

• Child tries out complex sentence structures to convey new ideas.

Comprehension

• Child understands increasingly complex instructions.

Speech clarity & sentence length

• Child can describe events using at least four words.
• Sounds are mostly clear, and by this stage nearly all sounds are spoken clearly (as described).

Age 5 / Kindergarten Readiness (Final Stage Described)

Large vocabulary

• Vocabulary approaches nearly 2,000 words.

Personal information and storytelling

• Child can state first and last name and may recite address/phone number.
• Child tells stories with a beginning–middle–end structure.

Ongoing questions and conversations

• Child asks questions to understand and to learn.
• Caregivers and child can have meaningful back-and-forth conversations for more than a few minutes.

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Practical Takeaway / Instruction-Like Guidance (Implied Methodology)

• Track your child’s development over time
  • Because children develop at unique paces, use milestones as guidance but monitor your own child’s pattern.
• Ask for professional help if concerned
  • Consult a pediatrician or early-childhood speech-language pathologist with any questions.
• Talk with your child daily
  • The video emphasizes that adult-child conversation is strongly associated with language development.
  • Recommended approach: talk every day about things that matter to both you and your child (“because talking matters”).
• Model and practice language-based conflict resolution
  • Use language to help the child express emotions and navigate disagreements calmly.

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Speakers / Sources Featured

• Carol Wymer — clinical assistant professor, University of Arizona; clinically trained and certified speech-language pathologist; member of the Talking Matters team (speaker in the video).