scholarly journals Age As Moderator of Emotional Stroop Task Performance in Posttraumatic Stress Disorder (PTSD)

2017 ◽  
Vol 8 ◽  
Author(s):  
Maksymilian Bielecki ◽  
Agnieszka Popiel ◽  
Bogdan Zawadzki ◽  
Grzegorz Sedek
2011 ◽  
Vol 31 (5) ◽  
pp. 817-828 ◽  
Author(s):  
Josh M. Cisler ◽  
Kate B. Wolitzky-Taylor ◽  
Thomas G. Adams ◽  
Kimberly A. Babson ◽  
Christal L. Badour ◽  
...  

2017 ◽  
Vol 47 (11) ◽  
pp. 2017-2027 ◽  
Author(s):  
M. M. Khanna ◽  
A. S. Badura-Brack ◽  
T. J. McDermott ◽  
C. M. Embury ◽  
A. I. Wiesman ◽  
...  

BackgroundPost-traumatic stress disorder (PTSD) is often associated with attention allocation and emotional regulation difficulties, but the brain dynamics underlying these deficits are unknown. The emotional Stroop task (EST) is an ideal means to monitor these difficulties, because participants are asked to attend to non-emotional aspects of the stimuli. In this study, we used magnetoencephalography (MEG) and the EST to monitor attention allocation and emotional regulation during the processing of emotionally charged stimuli in combat veterans with and without PTSD.MethodA total of 31 veterans with PTSD and 20 without PTSD performed the EST during MEG. Three categories of stimuli were used, including combat-related, generally threatening and neutral words. MEG data were imaged in the time-frequency domain and the network dynamics were probed for differences in processing threatening and non-threatening words.ResultsBehaviorally, veterans with PTSD were significantly slower in responding to combat-related relative to neutral and generally threatening words. Veterans without PTSD exhibited no significant differences in responding to the three different word types. Neurophysiologically, we found a significant three-way interaction between group, word type and time period across multiple brain regions. Follow-up testing indicated stronger theta-frequency (4–8 Hz) responses in the right ventral prefrontal (0.4–0.8 s) and superior temporal cortices (0.6–0.8 s) of veterans without PTSD compared with those with PTSD during the processing of combat-related words.ConclusionsOur data indicated that veterans with PTSD exhibited deficits in attention allocation and emotional regulation when processing trauma cues, while those without PTSD were able to regulate emotion by directing attention away from threat.


1999 ◽  
Vol 12 (2) ◽  
pp. 309-326 ◽  
Author(s):  
Claude M. Chemtob ◽  
Herbert L. Roitblat ◽  
Roger S. Hamada ◽  
Miles Y. Muraoka ◽  
John G. Carlson ◽  
...  

2019 ◽  
Author(s):  
Delin Sun ◽  
Andrea L. Gold ◽  
Chelsea A. Swanson ◽  
Courtney C. Haswell ◽  
Vanessa M. Brown ◽  
...  

AbstractTo investigate how unpredictable threat during goal pursuit impacts fronto-limbic activity and functional connectivity in posttraumatic stress disorder (PTSD), we compared military veterans with PTSD (n=25) versus trauma-exposed Control (n=25). Participants underwent functional magnetic resonance imaging (fMRI) while engaged in a computerized chase-and-capture game task that involved optimizing monetary rewards obtained from capturing virtual prey while simultaneously avoiding capture by virtual predators. The game was played under two alternating contexts – one involving exposure to unpredictable, task-irrelevant threat by randomly occurring electrical shocks, and a nonthreat control condition. Activation in and functional connectivity between the amygdala and ventromedial prefrontal cortex (vmPFC) was tested across threat and nonthreat task contexts with generalized psychophysiological interaction (gPPI) analyses. PTSD patients reported higher anxiety than controls across contexts. Better task performance represented by successfully avoiding capture by predators under threat than nonthreat contexts was associated with stronger left amygdala-vmPFC functional connectivity in controls and greater vmPFC activation in PTSD patients. PTSD symptom severity was negatively correlated with vmPFC activation in trauma-exposed controls and with right amygdala-vmPFC functional connectivity across all participants in the threat relative to nonthreat contexts. The findings showed that veterans with PTSD have disrupted amygdala-vmPFC functional connectivity and greater localized vmPFC processing under threat-modulation of goal-directed behavior, specifically related to successful task performance while avoiding loss of monetary rewards. In contrast, trauma survivors without PTSD rely on stronger threat-modulated left amygdala-vmPFC functional connectivity during goal-directed behavior, which may represent a resilience-related functional adaptation.


2004 ◽  
Vol 55 (6) ◽  
pp. 612-620 ◽  
Author(s):  
J.Douglas Bremner ◽  
Eric Vermetten ◽  
Meena Vythilingam ◽  
Nadeem Afzal ◽  
Christian Schmahl ◽  
...  

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