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1.
Psicol. pesq ; 14(spe): 56-75, 2020. ilus
Article in Portuguese | LILACS-Express | LILACS, INDEXPSI | ID: biblio-1155173

ABSTRACT

Este artigo apresenta um estudo metodológico de um procedimento experimental com duas tarefas de processamento categórico auditivo para fala. Na tarefa de identificação, o participante ouve sons que variam em duração de VOT e é solicitado a identificar a que palavra correspondem. Na tarefa de discriminação, o participante deve indicar se dois estímulos de VOT adjacentes são iguais ou diferentes. As estratégias de análises de dados para caracterizar o grau de categorização são apresentadas e são discutidas possibilidades de uso do procedimento em estudos.


This article presents a methodological study of an experimental procedure with two tasks of categorical auditory processing for speech. In the identification task, the participant hears sounds that vary in VOT duration and is asked to identify which word they correspond to. In the discrimination task, the participant must indicate whether two adjacent VOT stimuli are the same or different. The data analysis strategies to characterize the degree of categorization are presented and possibilities of using the procedure in studies are discussed.


Este artículo presenta un estudio metodológico de un procedimiento experimental con dos tareas de procesamiento auditivo categórico para el habla. En la tarea de identificación, el participante escucha sonidos que varían en la duración del VOT y se le pide que identifique a qué palabra corresponden. En la tarea de discriminación, el participante debe indicar si dos estímulos VOT adyacentes son iguales o diferentes. Se presentan las estrategias de análisis de datos para caracterizar el grado de categorización y se discuten las posibilidades de utilizar el procedimiento en los estudios.

2.
Psychol. neurosci. (Impr.) ; 7(2): 73-81, Jan.-June 2014. tab
Article in English | LILACS | ID: lil-718325

ABSTRACT

Down syndrome (DS) is one of the most common chromosomal abnormalities. Delays in cognitive development are found in the first years of life. As years pass, it may turn into intellectual deficiencies that unfold into several aspects, including difficulty recognizing emotional facial expressions. The present study investigated the recognition of six universal facial emotional expressions in a population of children aged 6-11 years who were divided into two groups: DS group and typically developing children (TDC) group. We used the Perception Test of Facial Emotional Expressions (Teste de Percepção de Emoções Faciais; TEPEF) and Wechsler Intelligence Scale for Children (WISC-III) and found that children with DS presented alterations in the recognition of expressions of disgust, surprise, and fear, whereas the recognition of happiness, sadness, and anger was maintained at a level comparable to the TDC group. Participants with DS presented significant positive correlations between sadness and Picture completion, Mazes, Arithmetic, Vocabulary, Digits, Verbal IQ, Verbal Comprehension Index, and Working Memory Index. All other facial expressions showed significant negative correlations with the Intelligence Quotient and WISC-III factorial index subtests. Absence of correlations was found among the TEPEF's six facial expressions and Information, Coding, Symbols, and Working Memory Index. The contribution of this study is related to understanding the characteristics of the recognition of facial emotions in children with DS, an important component of social relationships with their peers, schools, and families...


Subject(s)
Humans , Male , Female , Child , Cognition , Down Syndrome , Emotions , Facial Expression , Visual Perception
3.
Rev. bras. otorrinolaringol ; 69(2): 242-249, mar.-abr. 2003.
Article in Portuguese | LILACS | ID: lil-335173

ABSTRACT

O presente artigo faz uma revisäo breve da literatura sobre envelhecimento auditivo, abordando especificamente o envelhecimento do processamento temporal auditivo. Säo descritos os procedimentos experimentais para estudo de processamento temporal auditivo. Säo discutidos estudos sobre os efeitos do envelhecimento na detecçäo de interrupçöes em ruídos e tons puros, bem como estudos sobre a relaçäo entre o processamento temporal auditivo e o reconhecimento de fala, entre sujeitos jovens e idosos. Säo descritas algumas das principais controvérsias sobre a relaçäo entre processamento auditivo temporal e reconhecimento de fala. As diferenças entre os resultados encontrados nos estudos desta área säo interpretadas em termos da complexidade dos procedimentos de avaliaçäo de processamento temporal auditivo adotados. Finalmente, säo apresentadas sugestöes sobre direçöes futuras para pesquisa


Subject(s)
Adult , Aged , Hearing Disorders , Hearing Loss/physiopathology , Speech Perception , Aging
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