Abstract
SummaryThe saccadic pathway involves numerous regions of the brain cortex, the cerebellum and the brainstem. Saccadic movement latency, velocity and precision parameters assess the efficacy of central nervous system (CNS) control over rapid eye movements. Very few disorders which alter the CNS are missed when these parameters are carefully measured using a computer. Pendular tracking assesses the integrity of the oculomotor system in controlling slow eye movements - vulnerable to CNS and vestibular system dysfunctions. Optokinetic nystagmus represents a stereoceptive response which compensates environment movements by psycho-optical inputs.Aimsto compare the oculomotricity values found in children with and without learning complaints.Materials and Methodsprospective study. We included in the study 28 children of both genders, within the age range between 8 and 12 years, with learning disorders (study group) and 15 without (control group). We carried out the fixed and randomized saccadic movement tests, pendular tracking study and optokinetic nystagmus.ResultsThere was a statistically significant difference between the groups concerning the randomized saccadic movement velocity parameters and in the pendular tracking test.ConclusionThe children with learning disorders presented alterations in some oculomotricity tests when compared to children without complaints.
Highlights
The saccadic pathway involves numerous regions of the brain cortex, the cerebellum and the brainstem
Para os movimentos oculares foram analisados os parâmetros de: precisão
Criança: Data do preenchimento: ____/____/________ Responsável legal: O questionário abaixo tem por objetivo verificar problemas com dificuldades na escola
Summary
Denise de Fátima Pires Ventura 1, Lídio Ganato 2, Edson Ibrahim Mitre 3, Rita Mor 4. O rastreio pendular avalia a integridade do sistema oculomotor no controle dos movimentos oculares lentos, vulneráveis a disfunções do SNC e do sistema vestibular. O nistagmo optocinético representa uma resposta exteroceptiva que compensa os movimentos do meio ambiente por impulsos psico-ópticos. Foram realizados os testes de movimentos sacádicos fixos e randomizados, pesquisa do rastreio pendular e nistagmo optocinético. We carried out the fixed and randomized saccadic movement tests, pendular tracking study and optokinetic nystagmus. O rastreio pendular é outro movimento dos olhos resultante do acompanhamento de um alvo móvel e avalia a integridade do sistema oculomotor no controle dos movimentos oculares lentos, vulneráveis a disfunções do SNC e do sistema vestibular. O objetivo deste estudo foi comparar os parâmetros da oculomotricidade encontrados em crianças com queixas de distúrbios de aprendizagem, especificamente de leitura e escrita, com crianças sem queixas
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