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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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Language and Cognition01:27

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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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Epilepsy ll: Types01:22

Epilepsy ll: Types

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Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
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Seizures: Classification01:13

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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
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Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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Epilepsy and Seizures: Overview01:24

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
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Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
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Related Experiment Video

Updated: Apr 20, 2026

Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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Rolandic epilepsy and dyslexia.

Ecila P Oliveira1, Marina L Neri1, Lívia L Capelatto1

  • 1Departamento de Neurologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brazil.

Arquivos De Neuro-Psiquiatria
|November 21, 2014
PubMed
Summary
This summary is machine-generated.

Children with benign epilepsy with centrotemporal spikes (BECTS) have a high incidence of dyslexia and other learning difficulties. This study highlights the significant comorbidity between BECTS and dyslexia.

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Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Developmental Psychology

Background:

  • Benign epilepsy with centrotemporal spikes (BECTS) is a common childhood epilepsy syndrome.
  • While generally having a favorable prognosis, subtle neurocognitive deficits have been noted.

Purpose of the Study:

  • To investigate the comorbidity between dyslexia and BECTS.
  • To assess the prevalence of dyslexia and other learning difficulties in children diagnosed with BECTS.

Main Methods:

  • A cohort of 31 children with BECTS (Group A) and 31 age-matched controls (Group B) were evaluated.
  • Standardized language and neuropsychological assessments were administered to all participants.
  • Data were analyzed to compare outcomes between the BECTS group and the control group.

Main Results:

  • Dyslexia was identified in 19.4% of children with BECTS, a significantly higher rate than in controls (p<0.001).
  • A substantial 74.2% of BECTS patients experienced other learning difficulties.
  • Statistically significant differences were observed in phonological awareness, writing, reading, arithmetic, and memory tests between groups.

Conclusions:

  • The study provides strong evidence for a significant association between BECTS and dyslexia.
  • Children with BECTS exhibit a high prevalence of dyslexia and related neurocognitive challenges, underscoring the need for early screening and intervention.