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dc.contributor.author Pugh, Sheila L.R.
dc.date.accessioned 2019-11-08T00:29:53Z
dc.date.available 2019-11-08T00:29:53Z
dc.date.issued 2019
dc.identifier.uri http://hdl.handle.net/10211.3/214132
dc.description.abstract Using a valence variation of the Reflexive Imagery Task (RIT; Allen, Wilkins, Gazzaley, & Morsella, 2013), we observed behavioral and EEG effects of positive and negative images on unintentional cognitions in individuals (n = 16;mage = 23.75; SD = 5.57; 12 female) with a risk of negativity bias (RNB; wrnb = 7) and those without risk (Control; /icontroi= 9). A significant Group X Block interaction, F(l,14) = 8.88,p = .010, q2p = .39, revealed that individuals in the Control group were more successful at suppressing unintentional cognitions of negative images (M = .71, SE = .09) compared to positive images (M = .94, SE = .15), /(14) = 3.60, p = .003. Examination of alpha power (at electrode sensor sites F3 and F4) for positive trials in which participants experienced an involuntary cognition revealed that cortical activity was higher (lower alpha power) in the left frontal cortex (M = 1.86, SE = .10) compared to the right (M = 1.96, SE = .09), F(l,14) = 6.41, p = .024, t[2p = .31. These results are in line with previous research on thought suppression and ironic processes (Wegner, 1994), cognitive theories of depression and anxiety (Clark & Beck, 2010), and the localization of emotional processing (Davidson & Henriques, 2000). en_US
dc.format.extent ix, 102 leaves
dc.language.iso en_US en_US
dc.publisher San Francisco State University en_US
dc.rights Copyright by Sheila L.R. Pugh, 2019
dc.source AS36 2019 PSYCH .P844
dc.title Unintentional cognitions valenced images : affective biases and EEG correlates en_US
dc.type Thesis en_US
dc.contributor.department Psychology
dc.description.degree Psychology

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