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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.
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Variability: Analysis01:11

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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.
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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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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
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Components of Language01:24

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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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An important characteristic of any set of data is the variation in the data. In some data sets, the data values are concentrated closely near the mean; in other data sets, the data values are more widely spread out from the mean. The most common measure of variation, or spread, is the standard deviation, which is the square root of variance.
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Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
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All the Right Noises: Background Variability Helps Early Word Learning.

Katherine E Twomey1, Lizhi Ma1, Gert Westermann1

  • 1Department of Psychology, Lancaster University.

Cognitive Science
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Summary

Background variability aids early language acquisition by enhancing memory. Children learning new words with varied backgrounds showed better retention than those with constant backgrounds, supporting learning theories.

Keywords:
Cognitive developmentDynamic systemsEntropyFast mappingVariabilityWord learning

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Area of Science:

  • Developmental Psychology
  • Cognitive Science
  • Linguistics

Background:

  • Early language acquisition exhibits significant variability, with unclear effects on learning outcomes.
  • While target variability aids word learning, competitor variability can impede it.
  • The impact of background variability on early word learning remains under-explored.

Purpose of the Study:

  • To investigate whether background variability enhances word learning in 2-year-old children.
  • To examine the role of visual context variability in referent selection tasks.
  • To test hypotheses derived from adult memory literature regarding variability and decontextualization.

Main Methods:

  • Two groups of 2-year-old children participated in a referent selection task.
  • Children were presented with novel and known object-label pairs.
  • Stimuli differed only in background: constant white versus variable colors.

Main Results:

  • Children in the variable background condition demonstrated retention of label-object associations.
  • Children in the constant background condition did not show significant evidence of learning.
  • Results align with adult memory research suggesting variability aids decontextualization.

Conclusions:

  • Background variability can facilitate early word learning in young children.
  • Decontextualization of representations through variability supports memory consolidation.
  • Findings support dynamic systems theories where low-level entropy drives developmental changes.