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Análise de estados emocionais a partir do sinal EEG
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ISBN10: 6209239315
ISBN13: 9786209239311
Publisher: Edicoes Nosso Conhecimento
Published: Nov 5 2025
Pages: 192
Weight: 0.58
Height: 0.44 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786209239311
Publisher: Edicoes Nosso Conhecimento
Published: Nov 5 2025
Pages: 192
Weight: 0.58
Height: 0.44 Width: 6.00 Depth: 9.00
Language: Portuguese
A emoção desempenha um papel crucial na comunicação interpessoal e na investigação médica. Os computadores conseguem identificar emoções através de expressões faciais, voz, padrões de pestanejo e postura. Embora a maioria dos estudos se concentre na voz e nas expressões faciais, estes métodos apresentam limitações. Por exemplo, os indivÃduos podem ocultar intencionalmente as suas verdadeiras emoções, ou condições como a neurite facial podem prejudicar a expressão emocional através de pistas faciais. Para ultrapassar estas limitações, os investigadores têm-se voltado para o reconhecimento de emoções com base em sinais de eletroencefalografia (EEG) periférica. Os métodos baseados em EEG visam detetar estados afetivos diretamente através da atividade cerebral espontânea, contornando o sistema nervoso periférico. Esta abordagem é vital para aplicações em entretenimento, saúde, operações militares, retalho e educação, onde a compreensão da emoção humana melhora a interação e os processos de tomada de decisão. Nesta tese, propomos um novo método para a identificação de emoções utilizando dados de EEG.
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