Select the correct answer for each question, explain your reasoning for your ans

Question

Select the correct answer for each question, explain your reasoning for your answer to each question.

1. Which evidence best supports the idea of a critical period for human language development?

A. Deaf infants will not develop language if not provided with sign language at a young age.
B. Babies start verbally “babbling” at about 7 months of age.      
C. Hearing infants start manual (hand) “babbling” at about 10 months of age.
D. Word-processing tasks activate the same neuronal network in 7-year-olds as in adults.

2. Which statement regarding critical periods is true?

A. The behavior will not develop without input from the environment.  
B. Stimulation from the environment leads to changes in synaptic connections.  
C. Neural connections are mostly permanent outside of the critical period timeframe.  
D. All of the above

3. Which treatment option might a doctor recommend for an infant patient diagnosed with esotropia (crossed eyes)?

A. Immediate surgical correction
B. Immediate dark stimulation therapy for the affected eye      
C. Surgical correction at age 2      
D. Dark stimulation therapy for the affected eye at age 2

4. An adult cat is deprived of visual stimulation in one eye for a year. After that time, you record from cells in the visual cortex in response to light stimulus on both eyes. Which outcome would you expect?

A. Most cells are non-responsive.
B. Most cells are activated only by stimulation to the deprived eye.
C. Most cells are activated to some degree by stimulation in both eyes.
D. Most cells are activated only by stimulation to the non-deprived eye.

Explanation / Answer

1) A The deaf infants who are no exposed to sign language at an early age wont develop their language, this evidence is quite notable by the research done by Elisa Newport and Rachel Mayberry on the critical period of human language development.

2) A During the critical period without the input from the environment the behaviour wont develop.

3) A Immediate surgical action would be the best recommended option for treatment of an ifant diagnosed with estropia as that will align the eyes for binocular vision and prevent permanent vision loss.

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