Language Acquistion Device
Adult input --> LAD --> Child Output
cannot examine the LAD directly; must infer from input and output
What is Domain General Learning?
A common set of principles that all languages share
Learning of relationships among abstract entities for which different items may be substitued.
A N, the N, this N, that N, two N-s, these N-s, those N-s
Learning patterns, lexical item by lexical item. Eventually, a "rule" may emerge from the pattern
A dog, the dog, this dog, that dog, that dog, two dogs, these dogs (no rule for cat; must be learned in "cat" form... A cat, the cat, this cat, etc
The study of sounds used in a language
Manner of articulation
Place of articulation
Reduplicative babbling 36-48 wks
Repeating same CV (babababa); not necessarily communicating
Nonreduplicated babbling 48+ wks
CV vary (badagadaba)
11 consonants (h,w,j,p,b,m,t,d,n,k,g)
90% of babies; consonant clusters are rare!
Regular sounds that a child uses but not phonologically related to target word (mmmmm = give me/i want that)
Gesture often accompany protowords; sometimes protowords are just a gesture
The replacement of sound by another sounds
A sound that becomes similar to an adjacent sound
What is Sonority Hierarchy?
Optimal ordering of units in a syllable
Stops < Fricative < Nasals & liquids < Vowel