CSDS Chapter 5 part 2

Gestures

The primary mode of expression for infants aged 7 to 12 months, used for communication along with vocalizations.

Proto-imperatives

Gestures used by children to request objects or actions, indicating a desire or need.

Proto-declaratives

Gestures used to share information or maintain joint attention, such as pointing.

Joint attention

A shared focus of two individuals on an object or event, critical for language development.

Phonetically consistent forms

Sounds produced by infants that are similar to actual words but not yet fully developed words.

Crawling

A gross motor skill typically developed between 7 to 12 months, allowing infants to move independently.

Clustering

The use of predictable phoneme combinations within words, aiding in the production of first words.

Bracketing

Utilization of prosodic cues like pitch and pauses to help infants identify divisions between phrases.

Mothersese

A style of speech used by caregivers that is characterized by exaggerated pitch and simplified syntax.

Intentionality

The stage of communication where children begin to express specific intentions through gestures and vocalizations.

Vocalizations

Sounds made by infants that accompany gestures, indicating their attempts to communicate.

Developmental milestones for infants 8-12 months

Increased ability to understand language, follow simple commands, and demonstrate intentional communication.

Infant-directed speech

A style of speech characterized by short, simple sentences and exaggerated tones used when speaking to infants.

Maternal modification

Adjustments made by caregivers in their interactions to facilitate communication with infants.

Joint reference

An aspect of joint attention where two individuals focus on the same entity, helping infants learn language.

Selectively listening

An infant's ability to focus on familiar words and respond appropriately.

Quantitative language development

The increase in word comprehension as infants grow, such as understanding around 20 words by 8 months.