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Related Concept Videos

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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.
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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.
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Related Experiment Video

Updated: Nov 16, 2025

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Published on: September 27, 2024

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Individual Differences in Lexical Contributions to Speech Perception.

Nikole Giovannone1,2, Rachel M Theodore1,2

  • 1Department of Speech, Language and Hearing Sciences, University of Connecticut, Storrs.

Journal of Speech, Language, and Hearing Research : JSLHR
|February 19, 2021
PubMed
Summary
This summary is machine-generated.

Individuals with weaker receptive language skills rely more on lexical information for speech perception but maintain intact perceptual learning mechanisms. There is no evidence of a relationship between lexical recruitment and lexically guided perceptual learning.

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Area of Science:

  • Cognitive Science
  • Psycholinguistics
  • Auditory Neuroscience

Background:

  • Individual differences in speech perception are linked to receptive language abilities.
  • Previous studies suggest a diminished lexically guided perceptual learning in individuals with smaller receptive vocabularies.

Purpose of the Study:

  • To investigate if speech perception differences arise from lexical information reliance or perceptual learning variation.
  • To determine the relationship between lexical recruitment and lexically guided perceptual learning.

Main Methods:

  • Two experiments involving adult participants (N=70 and N=120).
  • Assessment of receptive and expressive language ability, lexical recruitment, and lexically guided perceptual learning.
  • Replication of primary findings in Experiment 2.

Main Results:

  • Individuals with weaker receptive language ability showed increased lexical recruitment.
  • Receptive language ability did not predict the magnitude of lexically guided perceptual learning.
  • No relationship was found between lexical recruitment and lexically guided perceptual learning across both experiments.

Conclusions:

  • Weaker language ability correlates with increased reliance on lexical information for speech perception.
  • Perceptual learning mechanisms remain intact in individuals with weaker language abilities.
  • No graded relationship exists between lexical recruitment and lexically guided perceptual learning.