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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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Elaborative Rehearsals01:07

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Elaborative rehearsal is a crucial cognitive strategy that strengthens information encoding in long-term memory by making meaningful connections between new data and pre-existing knowledge. This approach contrasts with maintenance rehearsal, which involves simple repetition without delving into the significance of the information. While maintenance rehearsal might temporarily keep information active in short-term memory, it is less effective for long-term retention.
The effectiveness of...
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Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

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Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
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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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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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Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
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Preschoolers rely on rich speech representations to process variable speech.

Margaret Cychosz1, Tristan Mahr2, Benjamin Munson3

  • 1Department of Linguistics, University of California, Los Angeles, Los Angeles, California, USA.

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Children with cochlear implants and typical hearing use vocabulary to process words. However, children with cochlear implants show less sensitivity to mispronunciations, highlighting the need for detailed speech representations for processing variable speech.

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Area of Science:

  • Child language acquisition
  • Speech perception
  • Auditory neuroscience

Background:

  • Children learn language by categorizing variable speech input.
  • Understanding how children process speech variation is crucial for language development.
  • Children with cochlear implants (CIs) offer unique insights due to learning speech via a degraded signal.

Purpose of the Study:

  • To investigate how children with and without cochlear implants process speech variation.
  • To determine if vocabulary size influences word processing in children with CIs.
  • To compare mispronunciation sensitivity between children with CIs and typical hearing peers.

Main Methods:

  • An eyetracking mispronunciation sensitivity task was employed.
  • Participants included children with CIs (N=33) and typical hearing children (N=24).
  • Age range was 36-66 months, with vocabulary size as a key variable.

Main Results:

  • Larger vocabularies correlated with faster processing of known words in both groups.
  • Children with CIs demonstrated reduced sensitivity to mispronunciations compared to typical hearing controls.
  • Lexical knowledge aids familiar word processing across hearing experiences.

Conclusions:

  • Both children with CIs and typical hearing children utilize lexical knowledge for familiar word processing.
  • Detailed speech representations are necessary for real-time processing of variable speech, especially for children with CIs.
  • Hearing experience significantly impacts the ability to discern speech variations.