Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Components of Language

Components of Language

Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.

Variability: Analysis

Variability: Analysis

Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...

Language Development

Language Development

Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...

Language and Cognition

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.

Qualitative Analysis

Qualitative Analysis

Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...

Qualitative Analysis

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Modeling dynamic trajectories of front vowels in the American South.

The Journal of the Acoustical Society of America·2020

Same author

A Survey of Phonological Mid Vowel Intuitions in Central Catalan.

Language and speech·2018

Same author

Sex differences in emotional perception: Meta analysis of divergent activation.

NeuroImage·2016

See all related articles

Search research articles

Related Experiment Video

Updated: Feb 25, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Analyzing dialect variation in historical speech corpora.

Margaret E L Renwick¹, Rachel M Olsen¹

¹Linguistics Program, University of Georgia, Gilbert Hall, Athens, Georgia 30602, USA.

The Journal of the Acoustical Society of America

|August 3, 2017

Summary

This summary is machine-generated.

This study analyzes acoustic features of Southern American English from the Linguistic Atlas of the Gulf States. European American and African American speakers exhibit distinct vowel shifts, revealing the complexity of regional dialects.

More Related Videos

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

Related Experiment Videos

Last Updated: Feb 25, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

Area of Science:

Sociolinguistics
Acoustic Phonetics
Corpus Linguistics

Background:

The Linguistic Atlas of the Gulf States (LAGS) is a valuable but underutilized audio corpus of sociolinguistic interviews.
Previous analyses of Southern American English (SAE) have been primarily impressionistic, lacking detailed phonetic data.

Purpose of the Study:

To detail methods for large-scale acoustic analysis of the historical LAGS speech corpus.
To investigate dialectal features, specifically the Southern Vowel Shift (SVS) and African American Vowel Shift (AAVS), in southeast Georgia.
To explore the influence of age, gender, and race on vowel production in SAE.

Main Methods:

Transcription and acoustic analysis of approximately 36 hours of interviews from 10 speakers in southeast Georgia.
Annotation of 6085 word tokens and extraction of formant values for stressed vowels.
Evaluation of vowel shifts using Pillai scores, functional data analysis, and linear mixed-effects regression.

Main Results:

European American speakers displayed features consistent with the Southern Vowel Shift.
African American speakers' vowel productions aligned with the African American Vowel Shift.
Significant variation in vowel dynamics was observed, even within a limited geographic area.

Conclusions:

Acoustic analysis of the LAGS corpus provides a more detailed understanding of SAE than impressionistic methods.
The study confirms distinct vowel shift patterns for European American and African American speakers in the region.
Observed variation highlights the intricate nature of Southern speech patterns.