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Task difficulty modulates brain activation in the emotional oddball task.

dc.contributor.author Siciliano, Rachel E
dc.contributor.author Madden, David J
dc.contributor.author Tallman, Catherine W
dc.contributor.author Boylan, Maria A
dc.contributor.author Kirste, Imke
dc.contributor.author Monge, Zachary A
dc.contributor.author Packard, Lauren E
dc.contributor.author Potter, Guy G
dc.contributor.author Wang, Lihong
dc.coverage.spatial Netherlands
dc.date.accessioned 2018-01-03T16:04:24Z
dc.date.available 2018-01-03T16:04:24Z
dc.date.issued 2017-06-01
dc.identifier https://www.ncbi.nlm.nih.gov/pubmed/28377158
dc.identifier S0006-8993(17)30143-9
dc.identifier.uri https://hdl.handle.net/10161/15953
dc.description.abstract Previous functional magnetic resonance imaging (fMRI) studies have reported that task-irrelevant, emotionally salient events can disrupt target discrimination, particularly when attentional demands are low, while others demonstrate alterations in the distracting effects of emotion in behavior and neural activation in the context of attention-demanding tasks. We used fMRI, in conjunction with an emotional oddball task, at different levels of target discrimination difficulty, to investigate the effects of emotional distractors on the detection of subsequent targets. In addition, we distinguished different behavioral components of target detection representing decisional, nondecisional, and response criterion processes. Results indicated that increasing target discrimination difficulty led to increased time required for both the decisional and nondecisional components of the detection response, as well as to increased target-related neural activation in frontoparietal regions. The emotional distractors were associated with activation in ventral occipital and frontal regions and dorsal frontal regions, but this activation was attenuated with increased difficulty. Emotional distraction did not alter the behavioral measures of target detection, but did lead to increased target-related frontoparietal activation for targets following emotional images as compared to those following neutral images. This latter effect varied with target discrimination difficulty, with an increased influence of the emotional distractors on subsequent target-related frontoparietal activation in the more difficult discrimination condition. This influence of emotional distraction was in addition associated specifically with the decisional component of target detection. These findings indicate that emotion-cognition interactions, in the emotional oddball task, vary depending on the difficulty of the target discrimination and the associated limitations on processing resources.
dc.language eng
dc.publisher Elsevier BV
dc.relation.ispartof Brain Res
dc.relation.isversionof 10.1016/j.brainres.2017.03.028
dc.subject Attention
dc.subject Cognitive control
dc.subject Distraction
dc.subject Emotion
dc.subject Task difficulty
dc.subject fMRI
dc.title Task difficulty modulates brain activation in the emotional oddball task.
dc.type Journal article
duke.contributor.id Madden, David J|0117007
duke.contributor.id Monge, Zachary A|0676418
duke.contributor.id Potter, Guy G|0267475
duke.contributor.id Wang, Lihong|0290700
pubs.author-url https://www.ncbi.nlm.nih.gov/pubmed/28377158
pubs.begin-page 74
pubs.end-page 86
pubs.organisational-group Center for Cognitive Neuroscience
pubs.organisational-group Clinical Science Departments
pubs.organisational-group Duke
pubs.organisational-group Duke Institute for Brain Sciences
pubs.organisational-group Duke-UNC Center for Brain Imaging and Analysis
pubs.organisational-group Institutes and Centers
pubs.organisational-group Institutes and Provost's Academic Units
pubs.organisational-group Psychiatry & Behavioral Sciences
pubs.organisational-group Psychiatry & Behavioral Sciences, Geriatric Behavioral Health
pubs.organisational-group Psychology and Neuroscience
pubs.organisational-group School of Medicine
pubs.organisational-group Student
pubs.organisational-group Temp group - logins allowed
pubs.organisational-group Trinity College of Arts & Sciences
pubs.organisational-group University Institutes and Centers
pubs.publication-status Published
pubs.volume 1664
dc.identifier.eissn 1872-6240


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