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Testemunho olfativo: efeitos do tamanho do alinhamento

Authors: Costa, Liliana Isabel Perdigão;

Testemunho olfativo: efeitos do tamanho do alinhamento

Abstract

Ao contrário dos outros sentidos, o olfato é um sentido que raramente é foco da nossa atenção. Contudo, inalamos constantemente e os cheiros podem influenciar o nosso humor, condicionar o temopo que passamos num local e influir na perceção que temos das outras pessoas. Apesar de muitas vezes menosprezado pelo ser humano, o olfato está presente na vida quotidiana, despoletando intensas memórias e reações emocionais. Uma vez que o ser humano tem a capacidade de identificar e discrimar odores e que cada pessoa possui características odoríferas singulares, pretendemos averiguar se é possível num alinhamento de odores, reconhecer um odor corporal previamente associado a uma situação de crime. Para além disso, pretendemos averiguar se esse reconhecimento é influenciado pelo número de itens (i.e., odores) presentes no alinhamento (três, cinco, oito odores). Os principais resultados demonstraram um aumento estatisticamente significativo de reconhecimento no alinhamento de três odores (96%) em comparação com os alinhamentos de cinco (56%) e de oito odores (46%), o que indica que um número mínimo de odores apresentado confere maior probabilidade de acerto. OS resultados do presente estudo pretendem colmatar uma lacuna na investigação, mostrando que o testemunho olfativo poderá representar um complemento importante na investigação criminal e revelando, simultaneamente, uma das condições que poderá potenciar o seu uso neste âmbito.

Unlike the other senses, smell is a sense that is rarely the focus of our attention. However, we constantly inhale smells that can influence our mood, the time we spent in a place, or even the perception we have of others. Although often overlooked by hamans, olfaction is present in everyday life, triggering memories and intense emotional reactions. Since human beings have the ability to identify and descriminate odors and that each person has a unique body odor, we intend to investigate whether it is possible to recognize a body odor in a lineup, wich has been previously associated with a crime situation. In addition, we intend to ascertain whether this recognition is influenced by the number of items (i.e., body odors) presented in the lineup (three, five, or eight body odors). The main results showed a statistically significant increase in the recognition of body odors in the lineup of three (96%), compared with the alignaments of five (56%) and eight (46%) body odors, which indicates that a less number of odors presented enhances the probability of a successful recognition. The results of the present study intend to fill a gap in the research while showing that olfactory testimony may represent an important aid to the criminal investigation and, at the same time, showing one condition in wich its potential can be heightened.

Mestrado em Psicologia Forense

Country
Portugal
Related Organizations
Keywords

Odor, Olfacto, Psicologia forense

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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