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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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Abnormal Proliferation02:23

Abnormal Proliferation

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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Language01:16

Language

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Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...
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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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Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

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Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
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Related Experiment Video

Updated: Jan 24, 2026

Portable Intermodal Preferential Looking IPL: Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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Electroencephalogram abnormalities in children presenting with language development delay.

Merve Yavuz1, Feyza Gülağız2, Aycan Ünalp1

  • 1Izmir University of Health Sciences Dr. Behçet Uz Children's Health and Surgery Hospital, Department of Pediatric Neurology, Izmir, Turkey.

Brain & Development
|January 22, 2026
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Summary
This summary is machine-generated.

Children with language delays often show EEG abnormalities. Those with epileptiform discharges face a higher risk of developing epilepsy and require monitoring.

Keywords:
ElectroencephalogramEpilepsyLanguage delay

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Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Clinical Electrophysiology

Background:

  • Electroencephalogram (EEG) abnormalities are common in children with developmental language disorders, but findings are inconsistent.
  • Language delays are associated with neurological differences, necessitating further investigation into EEG patterns.

Purpose of the Study:

  • To determine the frequency, density, and location of epileptiform discharges in children experiencing language delays.
  • To assess the incidence of epilepsy in this cohort over a 12-month follow-up period.

Main Methods:

  • Evaluated 122 children with language delay (excluding 10 with autism spectrum disorder).
  • Assessed epileptiform discharges for frequency, localization, and spike-wave index (SWI).
  • Collected clinical, demographic, neuroimaging, and developmental data for comparative analyses.

Main Results:

  • Epileptiform discharges were found in 11.5% of children, primarily in the right or bilateral temporoparietal regions.
  • Six children developed epilepsy within 12 months, all having initial epileptiform discharges; none with normal EEGs developed epilepsy.
  • While SWI increased over time, it did not predict epilepsy development.

Conclusions:

  • EEG abnormalities and epilepsy are significant concerns in children with language delays.
  • Children with initial epileptiform discharges require close monitoring due to an elevated risk of developing epilepsy.