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- Bernhardsson, Jens, et al.
(författare)
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Changes in Event Related Potentials after exposure therapy for spider phobic individuals
- 2016
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Ingår i: International Journal of Psychophysiology. - : Elsevier BV. - 0167-8760 .- 1872-7697. ; 108, s. 105-106
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The present study was conducted in order to investigate treatment effects in spider phobic individuals on EEG and eye movements. A previous study has shown larger ERP amplitudes in the late positive complex (LPC) post treatment compared to pre treatment during exposure of spider pictures (Leutgeb, Schäfer, & Schienle, 2009). The authors hypothesize that the result might mirror an increase in attention towards the stimuli and reduced attentional avoidance generating enhanced LPC amplitude as a consequence of directing attention to the spider pictures post treatment. In the present study spider fearful individuals (treatment and waitlist group) and control individuals were measured with EEG and Eye tracking during exposure to pictures of spiders, snakes and flowers pre and post treatment. Based on behavioral and self-assessed measures treatment effects were high. Contrary to Leutgeb et al. (2009), our results showed relatively smaller LPC amplitudes post treatment during presentations of spider pictures. Moreover, the eye movement data indicated no avoidance from spider pictures compared to other pictures, neither pre nor post treatment. These results indicate that when individuals attend to visual threat stimuli, LPC amplitude differences follow the pattern of emotional significance and attention allocation.
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| 6. |
- Bjärtå, Anna, 1974-, et al.
(författare)
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Brief Intervention For Distress Related To Difficult And Traumatic Memories
- 2019
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Ingår i: Libro de Actas. - Granada : Asociación Española de Psicología Conductual. ; , s. 268-
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Konferensbidrag (refereegranskat)abstract
- Many people experience distress from memories of adverse events, so called trauma memories. Trauma interventions are often long and expensive and not easily accessible to, for example, people with sub clinical symptoms or refugees. Based on findings in neurocognitive basic research, a brief method to remedy symptoms related to trauma memories has been developed. The method consists of a one hour psychoeducative session in which individuals learn about distressing traumatic memories and how to handle them. The method aims to teach a way to deploy brain resources during reactivation of a memory in order to reduce fear and anxiety at reconsolidation. Nineteen individuals with difficult and distressing memories participated in a pilot trial. In a one hour session, participants were tought the method and basic knowledge about underlying brain functioning. They were instructed to practice the method during the following week. Pre, post (+1 week), and follow up (+ 5 weeks) measures of symptoms of posttraumatic stress, depression, and anxiety, showed significant decrease on all three scales with a persistant decrease at follow up. In general, results indicate that brief treatment methods can help results indicate that briefer methods can help people suffering from trauma memories.
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| 9. |
- Di Stasi, L. L., et al.
(författare)
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A cross-cultural comparison of visual search strategies and response times in road hazard perception testing
- 2020
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Ingår i: Accident Analysis and Prevention. - : Elsevier BV. - 0001-4575 .- 1879-2057. ; 148
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Tidskriftsartikel (refereegranskat)abstract
- Road hazard perception is considered the most prominent higher-order cognitive skill related to traffic-accident involvement. Regional cultures and social rules that govern acceptable behavior may influence drivers’ interpretation of a traffic situation and, consequently, the correct identification of potentially hazardous situations. Here, we aimed to compare hazard perception skills among four European countries that differ in their traffic culture, policies to reduce traffic risks, and fatal crashes: Ukraine, Italy, Spain, and Sweden. We developed a static hazard perception test in which driving scenes with different levels of braking affordance were presented while drivers’ gaze was recorded. The test required drivers to indicate the action they would undertake: to brake vs. to keep driving. We assessed 218 young adult drivers. Multilevel models revealed that the scenes’ levels of braking affordance (i.e., road hazard) modulated drivers’ behavior. As the levels of braking affordance increased, drivers’ responses became faster and their gaze entropy decreased (i.e., visual search strategy became less erratic). The country of origin influenced these effects. Ukrainian drivers were the fastest and Swedish drivers were the slowest to respond. For all countries, the decrement in response times was less marked in the case of experienced drivers. Also, Spanish drivers showed the most structured (least erratic) visual search strategy, whereas the Italians had the most rigid (most constant) one. These results suggest that road hazard perception can be defined cross-culturally, with cultural factors (e.g., traffic climate, legislation) modulating response times and visual search strategies. Our results also support the idea that a multimodal assessment methodology is possible for mass testing of road hazard perception and its outcomes would be relevant to understand how different traffic cultures shape driving behavior.
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| 10. |
- Esteves, Francisco, 1953-, et al.
(författare)
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Body dissatisfaction and attentional processing
- 2019
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Ingår i: Libro de Actas. - Granada : Asociación Española de Psicología Conductual. - 9788409020959 ; , s. 266-
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Konferensbidrag (refereegranskat)abstract
- Body dissatisfaction is an important factor in the development and maintenance ofeating disorders. The comparison with the thin ideal prevalent in different mediachannels, can be one of the factors that contribute to widespread of dissatisfaction withthe own body. Thus, even people not meeting the criteria for eating disorders, mightshow a very problematic way to cope with their body and food intake. The present studyaimed to investigate the attentional pattern evoked when young women were exposed topictures of female bodies varying in their body shape.Eighty-one women, aged 18 to 37 years, viewed a series of pictures, each onecontaining four photos of women. The photos were generated and manipulated digitallyin order to get different body shapes, ranging from a slim to a heavy body shape. Thephotos were exposed in a 2x2 array during 4 seconds. Body Shape Questionnaire wasused to divide participants into two groups; high and low body dissatisfaction. Thedirection and fixation of the gaze were recorded continuously by means of an eyetracker.In general, an attentional bias in the body dissatisfaction group was observed, i.e.,women looked longer to the slimmest picture in the array. Women in the control group(low body dissatisfaction) showed distributed attention to the four body shapes.These results suggest promising possibilities of using ocular tracking tests in the earlydetection of symptoms associated with eating disorders, and perhaps possibilities ofimproving clinical and preventive interventions.
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