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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
The origin of specific phobia from spiders: Neurophysiological mechanisms vs. testing the assumptions of evolutionary theories explaining the origin of specific phobia from spiders
 Hladíková, Tereza ; Landová, Eva (advisor) ; Telenský, Petr (referee)
Spider phobia is one of the most frequent specific animal phobias in the population. There are two key emotions in the origin of spider phobia: fear and disgust. Several theories of spider phobia origin were proposed and so the results and interpretations of these studies, which test prerequisites of these particular theories often vary. Studies focusing on psychophysiological measurements such as changes in heart activity or skin resistance, show differences in emotion intensity in phobics compared to non-phobics. The second group of studies concerning the analysis of proximate mechanisms attempts to uncover the brain activity during phobic stimulation. These studies mostly agree on the coordination of the cognitive control network and the fear-network with the key role of the amygdala and insula in the phobic reaction. Other studies which test prerequisites of evolutionary theories examine e.g. heritability of specific phobias, speed of spider detection or easier learning and extinction of fear of spiders. The aim of this bachelor thesis is focused on the results of studies uncovering the proximate neurophysiological and psychophysiological mechanisms of specific spider phobia and to discuss these results in relation to the paradigm of evolutionary theories about the origin of this phobia. It is...
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