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Related Concept Videos

Language Development01:22

Language Development

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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...
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Language and Cognition01:27

Language and Cognition

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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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Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
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Learning Disabilities01:25

Learning Disabilities

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Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
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Introduction to Developmental Psychology01:27

Introduction to Developmental Psychology

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Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...
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Components of Language01:24

Components of Language

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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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Difference or delay? Syntax, semantics, and verb vocabulary development in typically developing and late-talking

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Toddlers

Keywords:
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Area of Science:

  • Developmental Psychology
  • Linguistics
  • Child Language Acquisition

Background:

  • Verb learning is influenced by semantic and syntactic properties.
  • Developmental changes in these influences are not well understood.
  • Early vocabulary development is crucial for later language skills.

Purpose of the Study:

  • To investigate how syntactic and semantic verb properties affect vocabulary development in toddlers aged 16-30 months.
  • To examine variations based on age and language ability (late talkers vs. typically developing children).

Main Methods:

  • Analysis of large-scale vocabulary checklist data (MacArthur-Bates Communicative Development Inventory).
  • Coding of verbs for syntactic complexity, manner/result meanings, and event type (durative/punctual).
  • Comparison of verb production patterns between late talkers and typically developing toddlers.

Main Results:

  • Younger children produced fewer syntactically complex verbs than older children, irrespective of group.
  • Typically developing toddlers favored manner verbs, while late talkers favored result verbs.
  • A higher ratio of manner to result verbs correlated with larger overall verb vocabularies.

Conclusions:

  • Late talkers and typically developing toddlers exhibit distinct patterns in verb vocabulary acquisition.
  • Syntactic complexity and semantic verb types play differential roles across development and language ability.
  • Understanding these nuances can inform early language intervention strategies.