Title: LIN 201
1LIN 201
- Fall 2005
- Lecture XIV (14)
- ASL II (concl.)
- Animal communication I
2Reminder
- Quiz 2 in Recitation this week. Covers Weeks IV
through VIII Language Acquisition, American
Sign Language, and Animal Communication (not
Origin of Language).
3Agenda
- 1. ASL review.
- 2. Language and speech.
- 3. Modularity again.
- 4. Overview of sub-modules of grammar.
- 5. Animal communication General.
- 6. Animal communication Chimps.
- 7. Video Chimp Talk.
4Agenda
- 1. ASL -- review and preview.
5Sign languages of the deaf (1)
- Claim The sign languages of the deaf have all of
the major properties of language and, therefore
are full-fledged languages in our sense.
6Sign languages of the deaf (2)
- Evidence so far
- 1. Knowledge Lex, Rules -- Yes.
- 2. Brain -- Yes.
- 3. Acquisition -- To do.
- 4. Critical Period -- To do.
7Agenda
- 2. Acquisition of ASL The logical problem of
language acquisition.
8Acq of ASL the logical problem (1)
- ASL obeys the Structure Dependency Principle and
the Coordinate Structure Constraint.
9Acq of ASL the logical problem (1)
- Topicalization (FR, p. 147)
- Both English and ASL --
- Sam Spade insulted the fat mans henchman.
- The fat mans henchman, Sam Spade insulted.
- Sam Spade insulted the fat mans henchman.
- Henchman, Sam Spade insulted the fat mans.
10Agenda
- 3. Acquisition of ASL the process of
acquisition.
11ASL Acquisition
- Distinguish between
- Acquisition in children of signing parents. (10
of cases) - Acquisition in children of non-signing parents.
(90 of cases)
12Acq from signing parents -- about the same ages
as for spoken
- Manual babbling.
- One-sign (holophrastic) stage.
- Two-sign stage.
- Telegraphic stage.
- Acquisition of functional elements.
- Explosion.
13Acquisition from signing parents -- negation
- Stage I
- No Subject Verb.
- Stage II
- Subject no Verb.
- Stage III
- Subject not Verb. ( adult form)
14Acquisition from non-signing parents
- Home sign
- Input from non-signing parents Unstructured and
pantomime-like. - Childrens grammars Relatively highly
structured and enriched.
15Agenda
- 4. Critical period for ASL?
16ASL -- Critical Period
- Children who acquire ASL after 12 years of age
- master lexicon and word order.
- fail to master morphological complexity
(functional elements).
17Agenda
18ASL overview
- Properties shared with spoken languages.
- Knowledge lexicon, rules (morphological and
syntactic). - Representation in the brain.
- Innate principles and the process of acquisition.
- Critical Period.
19Agenda
20Language and speech
- ASL and other sign languages of the deaf) are
true languages but are not spoken, so we must
distinguish between language and speech. - Language An internalized, abstract system of
rules and principles represented in the brain. - Speech The external, physical aspect of
linguistic events for spoken languages.
21Agenda
22Autonomy of language (1)
- Language impaired, other capacities intact
aphasia, Specific Language Impairment. - Language intact, other capacities impaired
savants (Laura, Christopher), Turner and Williams
syndromes.
23Autonomy of language (2)
- Another case Spatial perception for a sign
language of the deaf is autonomous from general
spatial perception.
24Agenda
- 8. Overview of sub-modules of grammar Lexical
and functional (syntactic) structure.
25Evidence for lexical and functional sub-modules
of grammar (1)
- Lexical morphemes vs. function morphemes -- ASL
as well as spoken. - Ev (1) Brocas aphasia.
- Ev (2) Telegraphic stage of acquisition.
- Ev (3) Language acquired after the Critical
Period (Genie, second lg acq, pidgins vs creoles).
26Agenda
- 9. Videotape excerpts from Language questions
on pp. 85-86 of the Course Reader.
27Agenda
- 10. A case of language creation -- Nicaraguan
Sign Language.
28NSL -- Historical background (1)
- 1. Before 1977 -- no school for the deaf, no
public services, not contact among deaf people. - 2. 1977 -- founding of a public school for the
deaf in the capital (Managua). - 3. 1981 -- founding of a vocational school for
the deaf in Managua.
29NSL -- historical background (2)
- Schools for the deaf (in general) -- two
different philosophies - Oralism Students are taught in such a way as to
become part of the hearing community -- (1)
taught to read lips, (2) taught to vocalize, (3)
taught to read and write a spoken language. Use
of signs is often prohibited. - Total communication Students learn to
communicate in whatever way they choose --
signing, spoken language, etc.
30NSL -- Historical background (3)
- The schools in Managua --
- In the classroom Oralism -- taught Spanish.
- Outside of the classroom Total communication --
allowed to use whatever form of communication
they wished. - Outcome Outside of class, students developed a
new language for communication among themselves.
31NSL -- Historical background (4)
- Course of development of NSL
- 1. Before the founding of schools -- individual
home sign. - 2. Initially after the founding -- a pidgin
from the various forms of home sign. - 3. Later students -- a creole based on the
original pidgin.
32Agenda
- 12. Nicaraguan Sign Language -- an experiment.
33Gestures with spoken language vs. signs (1)
- Home sign A form of gestural communication
developed within a family with deaf children and
hearing adults. - Develops through interaction between deaf
children and hearing (gesturing) adults.
34Gestures with spoken language vs. signs (2)
- General comparison of signs of the deaf and
gestures of hearing people as they speak. - Example 1 Representation of verbs referring to
motion.
35Gestures with spoken language vs. signs (3)
- The ball went rolling down the street. Three
aspects to this motion - Simple motion went.
- Manner of motion rolling.
- Path of motion down the street.
- In this sentence in a spoken language these three
aspects of motion are expressed in three
different expressions arranged sequentially.
36Gestures with spoken language and signs (4)
- Gestures that accompany speech All three
aspects are represented simultaneously. - Fully-developed sign languages Three aspects
represented sequentially as in spoken language.
37Gestures with spoken language vs. signs (5)
Study
- Task represent the motion of a cat that had
swallowed a bowling ball wobbling and rolling
down a street. - 1. For hearing/speaking subjects -- gestures
represented the motion simultaneously. - 2. For deaf/signing subjects.
- a. older, early-entry (1977-1984) students in the
Managua schools. - b. younger, later-entry students in these schools.
38Gestures with spoken language vs. signs (6)
Study results
- Early-entry students showed much more
simultaneous representation (like the gestures of
hearing people) than later-entry students, who
showed more sequential representation (as in a
fully-developed sign language).
39Gestures with spoken language vs. signs (7)
Explanation
- Early-entry students created a pidgin from their
various versions of home sign. - This pidgin became the source of input for
later-entry students, who creolized the pidgin to
make it more like a fully-developed sign language.
40NSL -- Additional observations
- Early-entry students continued to communicate
among themselves as well as with later-entry
students using their version of NSL but never
developed the structures that the later-entry
students incorporated into the language through
creolization.
41NSL -- Summary
- A case of genuine language creation.
- Shows clear parallels with the pidgin-creole
progression in spoken language. - Shows Critical Period effects.
42Agenda
- 11. Animal communication General.
43Communication
- Communication any way in which one organism
conveys information to another. Language is
(often) a form of communication, not all
communication is language. - All animals have ways of communicating. Do any
non-human animals have language as we have
defined it? (lexicon, rules, etc.)
44Properties of language (for comparison with other
species)
- Knowledge
- Lexicon (arbitrariness).
- Rules (creativity).
- Use Stimulus-free.
- Acquisition No instruction.
45Animal Comm (FR, 24-26)
- Spiders and fiddler crabs.
- Bird calls.
- Bird songs.
- Honeybees.
46Agenda
- 12. Animal communication Chimpanzees.
47Common chimps
- A. Vocalizing Gua and Viki.
- B. Signing (ASL).
- 1. Washoe (Nevada).
- 2. Nim Chimpsky (New York).
- C. Lexigrams (Yerkish -- cartoon in FR, p. 387
tape Chimp talk) - 1. Austin.
- 2. Sherman
48Bonobo (pygmy) chimps
- Lexigrams
- 1. Kanzi.
- 2. Panbanisha.
49Chimpanzees (1)
- Knowledge Lexicon
- Washoe -- 85 ASL signs (many arbitrary).
- Other signing chimps -- same or more.
50Chimpanzees (2)
- Knowledge -- Rules (creativity) Chimp syntax
-- Nim Chimpsky (FR, p. 387) - GIVE ORANGE ME GIVE EAT ORANGE ME EAT ORANGE GIVE
ME EAT ORANGE GIVE ME YOU. - Unlike childs telegraphic speech in that longer
utterances dont show combinations of semantic
relations from earlier stages.
51Chimpanzees (3)
- Claimed knowledge -- Rules (creativity 2)
- Washoe WATER BIRD duck
- Koko FINGER BRACELET finger ring
- Course Reader, p. 55 -- Panbanisha Fight. Mad.
Austin. (in various combinations)
52Created forms in chimps
53Chimpanzees (3)
- Stimulus-freedom.
- Only 12 of Nim Chimpskys sign productions were
spontaneous. - 40 were repetitions of trainers productions.
54Chimpanzees (4)
- No instruction.
- All but Kanzi and Panbanisha required heavy
instruction (careful arrangement of signs,
etc.) - Kanzi and Panbanisha Apparently spontaneous
acquisition.
55Chimps (5) Concl
- Lexicon -- maybe.
- Rules -- very unlikely.
- Stimulus-freedom -- limited.
- Instructionless acquisition --
- common chimps no.
- bonobo chimps probably.
56Agenda
- 7. Video Chimp Talk Questions, pp. 59-60 of
the Course Reader.