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Term
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Definition
| Studied deaf children born to hearing parents, who were only exposed to ASL at school (age 4-6 or after age 12) |
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| Chelsea, deaf woman age 32 when exposed to spoken input. Strikingly abnormal linguistic competence |
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| Fromkin, Krashen, Curtiss, Rigler and Rigler |
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Definition
| Cases of extreme deprivation: Anna, Isabelle, Koluchova twins, Mary and Louise, Alice and Beth |
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Definition
| Found age 4, within one year had close to normal scores on verbal and nonverbal intelligence. Some children do recover from deprivation |
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| Found age 5, only able to imitate. Died age 10, so not sure whether she would have fully recovered. |
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| Found age 6 1/2, after 18 months had a large vocabulary and could compose stories |
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| Discovered age 7, lacked speech, but made a full recovery - developed excellent language skills. At first it was thought they wouldn't recover, both physically and mentally handicaped. First 18 months were spent in a normal environment. |
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Definition
| Mary didn't recover, had cognitive and social problems. Louise developed normally. Some recover, some don't. |
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Definition
| Kasper Hauser, the reawakening of language |
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Term
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Definition
| Lost sight and hearing age 19 months, was taught to fingerspell. Sudden "reawakening" of her language |
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Term
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Definition
| 1. More cooperation between professionals involved
2. Test later than age 20
3. Much more data needed recording later on
4. Test in the light of new theories of UG, CP, modularity
5. Test cognitive ability earlier
6. More advanced technology to test with |
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