astronomy

Rachel Mayberry

Rachel Mayberry is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Rachel Mayberry rather than just read about it. In short: Rachel I. Mayberry is a language scientist known for her research on the effects of age of acquisition on sign language acquisition among deaf individuals – research that has provided evidence for a critical period in first language acquisition.

Key takeaways

Rachel Mayberry belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Rachel Mayberry to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Rachel Mayberry from memory before moving on to harder problems.

Reference excerpt

Rachel I. Mayberry is a language scientist known for her research on the effects of age of acquisition on sign language acquisition among deaf individuals – research that has provided evidence for a critical period in first language acquisition. She is Professor of Linguistics at University of California, San Diego (UCSD) and director of the Multimodal Language Lab. Mayberry received the Research Leadership Award from the McGill University School of Communication Sciences and Disorders in 2019 for "her distinguished career as a leader in research and research training in communication sciences and disorders." Mayberry co-edited the book Language Acquisition by Eye (with Charlene Chamberlain and Jill Morford).

Biography Mayberry received her B.A. degree in English at Drake University and her Masters of Science in Speech and Hearing Science at Washington University in St. Louis in 1973. She attended graduate school at McGill University where she obtained her Ph.D. in 1979 in Communication Sciences & Disorders. Her dissertation was titled Facial Expression and Redundancy in American Sign Language. Mayberry held faculty and research positions at Northwestern University and at the University of Chicago before joining the faculty of the McGill School of Communication Sciences and Disorders in 1989. She served as Director of McGill School of Communication Sciences and Disorders from 1997–2002 before moving to the UCSD in 2005. Over the years, Mayberry has secured multiple research grants from various agencies including the National Science Foundation, the National Institutes of Health, and the Kavli Foundation. These awards have supported her work establishing a critical period for first-language acquisition among deaf individuals learning American Sign Language at varying ages, and her work on the initial period of sign language acquisition among deaf individuals who use home sign, a system of language-like gestures used by deaf individuals who lack access to an established sign language.

Research Mayberry's research program has focused on effects of varying age of exposure to language among deaf individuals, with a focus on the acquisition of American Sign Language as a first language by individuals of different ages. She has studied how age of acquisition affects sign language development by comparing native signers (deaf individuals who grew up learning sign language) with late signers (deaf people who acquired sign language after early childhood). She found that deaf individuals who did not acquire sign language at a young age had difficulties acquiring its grammatical and morphological features and showed differences in sign language processing as compared to native signers. Late signers also performed worse than native signers in learning English as a second language. Mayberry's lab has used functional magnetic resonance imaging (fMRI) and magnetoencephalography (MEG) to study how age of acquisition affects the functional organization of language in the brain. In 2018, her research group received the Best Poster Presentation Award from the open-access journal languages for their work on "The neural basis of syntactic processing in American Sign Language: An fMRI study."

Representative publications Mayberry, R. I. (1993). First-language acquisition after childhood differs from second-language acquisition: The case of American Sign Language. Journal of Speech, Language, and Hearing Research, 36(6), 1258–1270. Mayberry, R. I., & Eichen, E. B. (1991). The long-lasting advantage of learning sign language in childhood: Another look at the critical period for language acquisition. Journal of Memory and Language, 30(4), 486–512. Mayberry, R. I., & Kluender, R. (2018). Rethinking the critical period for language: New insights into an old question from American Sign Language. Bilingualism: Language and Cognition, 21(5), 886–905. Mayberry, R. I., & Lock, E. (2003). Age constraints on first versus second language acquisition: Evidence for linguistic plasticity and epigenesis. Brain and language, 87(3), 369–384. Mayberry, R. I., Lock, E., & Kazmi, H. (2002). Development: Linguistic ability and early language exposure. Nature, 417(6884), 38.

References

External links Faculty Home Page

Illustrations

Worked examples

Example 1 — a first encounter with Rachel Mayberry

Start with the simplest possible case. Write down what Rachel Mayberry claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Rachel Mayberry before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Rachel Mayberry ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Rachel Mayberry

In research: Rachel Mayberry appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Rachel Mayberry in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Rachel Mayberry is common in secondary-school and first-year university syllabi. It links to neighbouring topics American health professionals, American women scientists, Drake University alumni, so understanding it makes those chapters shorter.
In everyday life: Look for Rachel Mayberry outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Rachel Mayberry in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Rachel Mayberry means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Rachel Mayberry out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Rachel Mayberry in simple terms?

Why does Rachel Mayberry matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Rachel Mayberry?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Rachel Mayberry.