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Unformatted text preview: ➤ ASL signs are abstractions, just as words in spoken languages are American Sign Language ■ ASL has structure, like spoken language ■ ASL is a natural human language ■ ASL obeys principles of Universal Grammar ■ Conclusion: UG is modality independent ■ ASL is simply a language expressed in a different modality from spoken language The Human Language Capacity is mostly independent ■ Left hemisphere brain damage produces sign aphasia ➤ Broca’s type: slow awkward signing ➤ Wernicke’s type: fluent but senseless ■ Right hemisphere damage ➤ Severe spatial deficits, however ➤ Signing is not impaired (even signing devices that involve spatial syntax!)...
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- Fall '09
- natural language, language s ASL