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1.
Infant Behav Dev ; 44: 110-20, 2016 Aug.
Article de Anglais | MEDLINE | ID: mdl-27362780

RÉSUMÉ

Touch between mother and infant plays an important role in development starting from birth. Cross-cultural differences surrounding rearing practices have an influence on parent-infant interaction, including types of touch used and the development of emotional regulation. This study was designed to investigate maternal touch and infant emotional regulation in infant-mother dyads from Ecuador (n=25) and Hispanic dyads from the United States (US) (n=26). Mothers and their 4-month-old full-term infants participated in the Still Face Paradigm. Second-by-second coding of maternal touch and infant affect was completed. Overall the analyses showed that Ecuadorian mothers used more nurturing and accompaniment touch and less attention seeking touch than US Hispanic mothers during the pre-stressor (baseline) episode. Lagged multilevel models were used to investigate the effect of the different types of touch on infant emotional regulation in the groups for the episodes. The data suggest that playful touch had a significant increase in infant affect, whereas accompaniment and attention-seeking touch had a significant decrease in infant affect. Overall, this study provides support for the role of touch in mother-infant synchronicity in relation to infant's emotional regulation. Identifying touch that is more calming is important to foster emotional regulation in infancy, which can have important implications for development.


Sujet(s)
Face , Comportement du nouveau-né et du nourrisson/psychologie , Toucher/physiologie , Adulte , Comparaison interculturelle , Équateur , Émotions/physiologie , Femelle , Humains , Nourrisson , Mâle , Comportement maternel/psychologie , Relations mère-enfant , Mères/psychologie , États-Unis
2.
RBE, Cad. eng. bioméd ; 3(2): 29-49, ago. 1986. ilus
Article de Portugais | LILACS | ID: lil-57060

RÉSUMÉ

A técnica Doppler é uma das mais usadas em clínicas de Angiologia para avaliaçäo da circulaçäo periférica. Sendo método näo-invasivo, é preferível à angiografia de contraste para acompanhamento de casos. Foi desenvolvido um microcomputador e um método para a obtençäo automática de alguns parâmetros de interesse clínico a partir do sinal de velocidade de fluxo arterial obtido por fluxômetro Doppler de onda contínua. O hardware é baseado no micronP 8085A e consta de 16 k de RAM, 18k de EPROM, interfaces para teclado, vídeo, impressora e conversores A/D e D/A, que permitem a monitoraçäo dos sinais durante a coleta e seu registro gráfico após o exame. O software foi desenvolvido parte em Assembly e parte em Basic. O sistema foi testado em sinais previamente gravados em 72 membros inferiores, sendo analisado, para cada caso, um trecho de 17s e fornecidas na listagem de saída a média, o desvio padräo e o coeficiente de variaçäo para cada parâmetro. O teste demonstrou que o sistema funciona para diversos tipos de formas de onda e facilita a obtençäo dos parâmetros desejados, tornando a rotina menos laboriosa e mais rápida


Sujet(s)
Humains , Vitesse du flux sanguin , Artère fémorale , Micro-ordinateurs , Science des ultrasons
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