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Pregled bibliografske jedinice broj: 501736


Autori: Budimir, Sanja; Palmović, Marijan
Naslov: Gaze Differences in Processin Pictures with Emotional Content
Izvornik: Collegium antropologicum (0350-6134) 35 (2011), S1; 17-23
Vrsta rada: članak
Ključne riječi: visual perception; eye-tracking; emotional valence; International Affective Picture System
The International Affective Picture System (IAPS) is a set of standardized emotionally evocative color photographs developed by NIMH Center for Emotion and Attention at the University of Florida. It contains more than 900 emotional pictures indexed by emotional valence, arousal and dominance. However, when IAPS pictures were used in studying emotions with the event-related potentials, the results have shown a great deal of variation and inconsistency. In this research arousal and dominance of pictures were controlled while emotional valence was manipulated as 3 categories, pleasant, neutral and unpleasant pictures. Two experiments were conducted with an eye-tracker in order to determine to what the participants turn their gaze. Participants were 25 psychology students with normal vision. Every participant saw all pictures in color and same pictures in black/white version. This makes 200 analyzed units for color pictures and 200 for black and white pictures. Every picture was divided into figure and ground. Considering that perception can be influenced by color, edges, luminosity and contrast and since all those factors are collapsed on the pictures in IAPS, we compared color pictures with same black and white pictures. In first eye-tracking IAPS research we analyzed 12 emotional pictures and showed that participants have higher number of fixations for ground on neutral and unpleasant pictures and for figure on pleasant pictures. Second experiment was conducted with 4 sets of emotional complementary pictures (pleasant/unpleasant) which differ only on the content in the figure area and it was shown that participants were more focused on the figure area than on the ground area. Future ERP (event related potential) research with IAPS pictures should take into consideration these findings and to either choose pictures with blank ground or adjust pictures in the way that ground is blank. For the following experiments suggestion is to put emotional content in the figure area and to use different non complementary pictures to see if there is difference between different emotional categories.
Projekt / tema: 013-0131484-1488
Izvorni jezik: ENG
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Current Contents Connect (CCC)
Social Science Citation Index (SSCI) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
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Google Scholar: Gaze Differences in Processin Pictures with Emotional Content
Upisao u CROSBI: (, 9. Vel. 2011. u 14:33 sati

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