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Alvin Liberman was born on 10 May, 1917 in St. Joseph, Missouri, is an American linguist. Discover Alvin Liberman's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 83 years old?

Popular As N/A
Occupation Psychologist
Age 83 years old
Zodiac Sign Taurus
Born 10 May, 1917
Birthday 10 May
Birthplace St. Joseph, Missouri
Date of death 2000
Died Place Mansfield, Connecticut
Nationality United States

We recommend you to check the complete list of Famous People born on 10 May. He is a member of famous with the age 83 years old group.

Alvin Liberman Height, Weight & Measurements

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Alvin Liberman Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Alvin Liberman worth at the age of 83 years old? Alvin Liberman’s income source is mostly from being a successful . He is from United States. We have estimated Alvin Liberman's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
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1917

Alvin Meyer Liberman (May 10, 1917 – January 13, 2000) was born in St. Joseph, Missouri.

Liberman was an American psychologist.

His ideas set the agenda for fifty years of psychological research in speech perception.

1938

Liberman received his B.A. degree from the University of Missouri in Columbia, Missouri in 1938, his M.A. degree from the University of Missouri in 1939 and his Ph.D. in psychology from Yale University in 1942.

His ideas set the agenda for fifty years of research in the psychology of speech perception and laid the groundwork for modern computer speech synthesis and the understanding of critical issues in cognitive science.

He took a biological perspective on language and his 'nativist' approach was often controversial as well as influential.

1944

He is also known for his pioneering work with Dr. Franklin S. Cooper on the development of the reading machine for the blind in 1944.

His publication record, which began in 1944 with an article in the Journal of Experimental Psychology, ended in 2000 with an article, coauthored with Douglas Whalen of Haskins Laboratories,in Trends in Cognitive Sciences.

Liberman continued giving well-received speeches and presentations and continued to act as a catalyst for research at various institutes such as the Brain Research Laboratory at the University of Technology in Finland.

He received an award from the Finnish Academy of Sciences, the last of his many accolades.

1960

He is also known for the development of the motor theory of speech perception with Ignatius Mattingly in the 1960s and 1970s.

Along with his wife, Isabelle Liberman, he elucidated the "alphabetic principle" and its relationship to phonemic awareness and phonological awareness in reading.

He was a member of the National Academies of Science and of many other distinguished scientific societies.

After retiring,Al remained an active, influential presence in the international scientific community.

1967

His paper on the "Perception of the Speech Code" in 1967 remains one of the most cited papers in the psychological literature.

1975

He was a professor of psychology at the University of Connecticut and of linguistics at Yale University as well as president of Haskins Laboratories from 1975 through 1986.

Liberman had a distinctive goal in mind.

In order to reach this goal, he developed a project where he was to produce the sound output of a reading machine for the blind, a device that could scan, print, and produce a selective acoustic pattern for every component of the English alphabet.

2000

On January 13, 2000, Alvin Liberman died due to problems that occurred after heart surgery.

His son Mark Liberman is Trustee Professor of Phonetics and director of the Institute for Research and Cognitive Science at the University of Pennsylvania.

His son M. Charles Liberman is Professor of Otology and Laryngology at Harvard Medical School.

His daughter, Sarah Ash, is an Associate Professor of Nutrition in the Department of Food, Bioprocessing, and Nutrition Sciences at North Carolina State University; as well as nine grandchildren that follow his lineage.

Liberman was one of the first to conduct research and experimental studies in the field of speech development and linguistics.

Through his research he aimed to gain a thorough understanding of the importance and purpose of speech in the act of reading and the process of learning to read.

Some of his profound investigations were made during his time at Haskins Laboratories where he worked as a research scientist trying to investigate the relationships between speech and acoustics.

From his research he came up with the idea that we hear spoken words much differently than sounds.

It was evident to Liberman that speech, the speed at which someone says something in particular, is connected to the word's amount of syllables, or in other terms its "acoustic complexity" (Whalen, 2000).

The difference in the difficulty of speech and reading exists even as alphabetic writing systems provide discrete and invariant signals and nods to vowels, sounds and consonants.

When it comes to speech and conversation, it "does not come to us as a series of individual words; we must extract the words from a stream of speech."

Liberman and his colleagues were training the blind to read using a reading machine that would replace each letter of the alphabet with a specific sound.

However, he and his colleagues found that the replacement of the sounds for each distinct letter of the alphabet did not help with the blind to learn to read or pronounce the letters fluently.

After long investigations of why this was, Liberman established that speech was not as simple as an acoustic alphabet.

2001

Therefore, speech signals are very distinct from acoustic alphabet (Fowler, 2001).

These investigations showed that speech perception is different from perception of other acoustic signals, and convinced Liberman that speech perception is the result of the human biological adaptations to language.

Human listeners are able to decode the repetitive variable signal of running speech and to translate it into phonemic components.

This is also known as the "motor theory of speech perception".

Liberman ascribed this to the human biological disposition towards speech as opposed to reading which is not ingrained genetically.

In one of his articles, Liberman mentioned speech production is easy to create as it relies on the "conscious awareness of phonological structure".

He disagreed with "horizontal theory" because it would imply that the "advantage of ease" would be dependent upon reading and writing, not speech.

Liberman also argued that reading alphabets is not important to speech until one learns the phonological pattern of speech.