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4 months old, week 1
At about four months, color vision matures as well as the other visual abilities such as depth perception and distance. With that, eye-hand coordination is developing more.
Gaze shifting between face and fingerspelling hand
Typically native signers fixate their gaze on the signer's face, not hands, during comprehension. They have larger perceptual span. However, when it comes to fingerspelling, generally they shift their gaze away from the face.
Similarly, Juli in the video clip shows her gaze shifting between my face and fingerspelling hand.
How much perceptual span do infants in a native signlan environemnt have? How swift can they shift their gaze between the face and one-handed fingerspelling? I hope to see some findings in future research studies.
Video clip (reconstructed): A few days ago, I taught her the ASL word pajamas and earlier today the colors including yellow.
Not only Juli shifted her gaze toward my hand when fingerspelling, she also looked at my hand when producing manual numeral.
During reading the book "Counting Kisses" by Karen Katz, Juli shifted her gaze toward my hand as I counted the numbers from one to four.
I found it to be one of Juli's favorite stories. Because, it's interactive. Not only Juli watched the numbers I spelled, she also enjoyed the kisses. Think about learning rewards.
ASL vocabulary
The ASL words that I used with Juli this week are as follows: gardening, fruit+drink (smoothies), various fruits, play, yellow duck, pajamas, full (as in feeding), work, cereal ...
ASL milestones (L1)
- 0;0,0: Raising a bilingual child
- 0;0,1: Making first eye contact
- 0;0,2: Imitating movements and cooing
- 0;0,3: Using senses and technology
- 0;0,4: Acquiring language via interaction
- 0;1,1: Manual cooing
- 0;1,2: Following objects or people with eyes
- 0;1,3: First smiles
- 0;1,4: Using ASL nursery rhymes
- 0;2,1: Gaining more control over her body
- 0;2,2: Observing and listening to parentese
- 0;2,3: Exploring the world
- 0;2,4: Eye-hand coordination beginning; Exploring hands and objects
- 0;2,5: Communicating through body language
- 0;3,1: Gaze shifting between picture and ASL word
- 0;3,2: Communicating with eyes; Visually tracking 180 degrees
- 0;3,3: Bringing hands together
- 0;3,4: Grabbing objects within reach; gaze shifting
- 0;4,1: Gaze shifting between face and fingerspelling
- 0;4;2: Bringing hands to mouth; turn-taking
- 0;4,3: Playing contact eye game
- 0;4,4: Playing with hands, the precursor to babbling
- 0;5,1: Communicating by patting or tapping
- 0;5,2: The emergence of marginal babbling
- 0;5,3: Gaze-following turn-taking conversation
- 0;5,4: Distinguishing ASL words from animal visues
- 0;5,5: Paying attention to details
- 0;6,1: Learning the concept of object permanence
- 0;6,2: Beginning to understand what is being said
- 0;6,3: The emergence of razzy visues
- 0;6,4: The emergence of canonical babbling
- 0;7,1: Developing intentional communication
- 0;7,2: Developing an association of concept with word
- 0;7,3: Manipulating objects back and forth
- 0;7,4: The emergence of other syllabic babbles
- 0;8,1: Demonstrating constraints in syllabic babbling
- 0;8,2: The emergence of variegated babbling
- 0;8,3: Waving bye-bye
- 0;8,4: The emergence of pointing for direction
- 0;8,5: Connecting word to object or picture
- 0;9,1: The emergence of pointing for names
- 0;9,2: The emergence of finger babbling
- 0;9,3: Pointing at pictures for names
- 0;9,4: The early emergence of recognizable words
- 0;10,1: Emerging referential words: finish + music
- 0;10,2: Emerging ASL words: mother + music
- 0;10,3: Emerging ASL words: eat + more
- 0;10,4: Categorizing a group of referents
- 0;11,1: Responding to simple requests
- 0;11,2: Recognizing an ASL word in the video
- 0;11,3: Producing ASL words on torso; multipointing
- 0;11,4: Combining gestural pointing with ASL words
- 0;11,5: Combining an ASL word with razzy
