When you turn the baby's head to one side or the other and baby's arm will extend in the direction in which the head is turned and the other arm will upward. Disappears around 4 months
When you gently stroke the outer side of the bottom of the baby's foot and the toes will curl outward like a fan. Disappears at 12 months.
When you stroke baby's mouth and baby will start sucking. Disappears at 6 months.
When you place the nipple in baby's mouth and baby will start sucking. Disappears at 6 months.
When the baby experiences a loss of support or a sudden noise it will cause the baby to arch his back, extend his arms outward, and then bring them towards him. Disappears at 6 months
When you hold the baby gently under the arms while the feet touch a table and as you release support slowly, the baby will begin to show some resistance to the weight by stretching the muscles of the legs. Disappears at 3 months.
Lightly touch the baby's palm and the fingers will clamp into a fist. Disappears at 4 months.
Palmer Grasp Reflex
While a baby is lying on its stomach, gently tap the back along the side and above the waste. The baby will twist its lower extremities toward the side that was touched. Disappears at 3 months.
The swimming reflex
The baby will push against the soles of the baby's feet while the baby is lying on the stomach and rudimentary crawling movement will result. Disappears at 4 months
When you hold the baby under the arms with the baby's feet touching a table and move the baby forward, keeping contact between table and feet. The baby will take steps. Disappears at 3 months,
The stepping reflex
At what age can a baby sit with support?
At what age can a baby sit unsupported?
At what age can a baby typically crawl?
At what age can a baby typically stand?
At what age can a baby walk unsupported?
12 - 15 months
the sounds of a language that are the basis for word construction. Babies first learn the phonemes of their own language.
the meaning of words and sentences
The smallest meaningful unit in a language
The practical rules guiding the use of verbal and nonverbal communication in differing situations
soft repetitive vowel sounds such as "ahh" and "ohh" begins at 2-3 months
sounds produced by infants during the first year of life before they learn to speak
repeating consonants - vowel combinations two or more times. Ma ma ma. Begins at 6-7 months
when infants begin to use adult-like stresses and intonation. They begin to put meaning and purpose to their babbling
vocalization that seem to have a consistent meaning
a single word conveys the meaning of a phrase or sentence
a toddle speech style in which words not essential to meaning of a sentence are omitted. "Dont' street" - you don't go in the street
a vocabulary growth spurt that occurs typically around 18 months
adults exaggerate speech and body movements including facial expressions such as mock surprise and mock sadness
head nods, facial expressions, pause, prolonging certain syllables, using few words
slowing down and simplification
saying the same word or phrase many times with minor variation
rhythm and repetition
caregivers imitating infant behavior
a concept related to matching in which the adult's behavior is similar to the infant's but not an exact copy
infants do not have the idea but adults fill in the natural pauses with their own actions (protoconversations)