Results: 12

Conceitos básicos de percepção de cena

Ciênc. cogn; 26 (2), 2021
A pesquisa sobre percepção de cenas é um esforço da comunidade científica em superar as dificuldades apresentadas ao estudo de estímulos complexos. As consistentes descobertas provaram a viabilidade do tema e encorajam uma abordagem mais holística e integrada nas investigações em percepção ...

Pictorial size perception in schizophrenia

Psicol. reflex. crit; 34 (), 2021
In this study, we compared visual pictorial size perception between healthy volunteers (CG) and an experimental group (EG) of people diagnosed with schizophrenia. We have been using paintings by Salvador Dalí and Rorschach plates to estimate visual pictorial size perception. In this transversal, ex post...

Dependencia visual en otoneurología: consideraciones clínicas para la rehabilitación vestibular

RESUMEN Los sistemas vestibular, visual y somatosensorial coordinan el control postural y se adaptan a las actividades cotidianas en diferentes contextos, sin embargo, cuando existe un cuadro clínico con sintomatología vestibular, las ponderaciones de estos sistemas cambian mayoritariamente al sistema ...

Diferencias en procesamiento cerebral visual temprano en niños con trastorno del déficit de atención
Differences in early visual cerebral processing in children with attention deficit / hyperactivity disorders with predominance of no attention

Medicina (B.Aires); 79 (1,supl.1), 2019
Para evaluar los procesos atencionales a estímulos visuales que no requieren repuesta motora, se llevó a cabo un estudio con potenciales evocados a 17 niños con trastornos del déficit de atención/ hiperactividad (TDAH-I) con predominio inatento y a 15 controles de edades entre 7 y 11 años. Se anali...

A power law study of the edge influence on the perceived filling-in brightness magnitude

Psicol. reflex. crit; 32 (), 2019
Abstract: Background: Edge plays a special role in spatial perception and as well as in determining the brightness of a surface within borders. The aim of our study was to measure threshold brightness in different levels of edges thickness. Methods: Steven's power law for circles modulating in luminanc...

Evaluación de habilidades perceptivo-cognitivas en deportistas universitarios

El objetivo de este estudio ha sido evaluar la habilidad perceptiva cognitiva de los deportistas seleccio-nados de la Universidad de Playa Ancha a través de una herramienta tecnológica de seguimiento de objetos múltiples dentro de un campo visual (Neurotracker). Se utilizó una metodología de caráct...

Subjective visual vertical after treatment of benign paroxysmal positional vertigo

Abstract Introduction: Otolith function can be studied by testing the subjective visual vertical, because the tilt of the vertical line beyond the normal range is a sign of vestibular dysfunction. Benign paroxysmal positional vertigo is a disorder of one or more labyrinthine semicircular canals caused b...

A elaboração de um instrumento para investigar o domínio da percepção dos contrastes mínimos na língua brasileira de sinais

CoDAS; 29 (4), 2017
RESUMO Objetivo Elaborar um instrumento para verificar a percepção dos contrastes mínimos, mediante a utilização de pares de sinais, os quais apresentam oposições em relação a um dos parâmetros: configuração de mão, locação de mão, movimento de mão e orientação de mão. Método Reali...

Subjective visual vertical with the bucket method in Brazilian healthy individuals

ABSTRACT INTRODUCTION: The capacity of a healthy individual to estimate the true vertical in relation to the Earth when a fluorescent line is aligned in a completely dark room is called the subjective visual vertical. OBJECTIVE: To evaluate subjective visual vertical using the bucket method in health...

A disturbed processing of graviceptive pathways may be involved in the pathophysiology of balance disorders in patients with multiple sclerosis

Arq. neuropsiquiatr; 74 (2), 2016
ABSTRACT The purpose of this study was to determine the relationship between perception of verticality and balance disorders in multiple sclerosis patients. We evaluated patients and healthy controls. Patients were divided into two groups according to their risk of fall, with or without risk of fall, mea...