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Visual Search of the Threat-Relevant Stimuli

ФИО студента: Byvaltseva Elizaveta

Руководитель: Natalia Tiurina

Кампус/факультет: Faculty of Social Sciences

Программа: Psychology (Bachelor)

Оценка: 8

Год защиты: 2021

The general purpose of the present study is to reveal the understanding of how a person responds to potentially dangerous stimuli. The research results will help to study the visual search of threatening objects in future. In particular, it will examine how receptive people are to recognizing potentially dangerous stimuli among neutral ones. Previous research has shown that threat-related objects can be detected faster and more accurately than not threatening ones and can be processed automatically. However, previous studies have used stimuli that varied significantly in colour, shape, contrast, size, texture, etc. In the present study, visual search for threatening objects was studied using more controlled stimuli. The results showed that potentially dangerous objects are detected faster than neutral ones only when the threatening stimuli, in terms of perception, were very different from neutral stimuli (experiment 1). In cases where stimuli were controlled for low and medium level characteristics (for example, in colour, orientation, texture, etc.), such differences were also found (experiment 2). However, when it was impossible to categorize objects (experiment 3), but the stimuli retained their mid-level characteristics, the effect disappeared. Keywords: visual search, threat, threatening stimulus, visual attention, perception.

Full text (added December 3, 2021)

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