Abstract：
:This study investigated the influence of trait anxiety on event-related potentials (ERPs) to fearful, happy, and neutral faces. Fearful faces, relative to neutral, elicited a range of effects in the low-trait anxiety (LTA) group: an enhanced visual P1 component, an early posterior negativity (EPN), and a sustained fronto-central positivity. Emotional expression effects were generally weaker for happy faces. The enhanced fronto-central positivity and EPN triggered by fearful stimuli in LTA participants were less pronounced in the high-trait anxiety (HTA) group, while the enhancement of the visual P1 seen in the LTA group was further augmented in the HTA group. This represents a clear dissociation across anxiety groups between rapid attentional processing as reflected by the visual P1 and later strategic processing as reflected by fronto-central and EPN components. These effects of high-trait anxiety in potentiating initial threat evaluation but attenuating later cognitive processing are discussed in the context of the possible roles of neural systems underlying threat evaluation, cognitive avoidance, and differentiated affective responses.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Holmes A,Nielsen MK,Green Sdoi
10.1016/j.biopsycho.2007.10.003subject
Has Abstractpub_date
2008-02-01 00:00:00pages
159-73issue
2eissn
0301-0511issn
1873-6246pii
S0301-0511(07)00162-7journal_volume
77pub_type
杂志文章abstract：:Increased vascular reactivity to stress has been suggested to contribute to the greater risk for developing hypertension in African Americans. Here, we examined the way (hemodynamic profile) and the extent to which (compensation deficit) cardiac output and total peripheral resistance compensate for each other in deter...
journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2018.12.003
更新日期：2019-02-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：2019-01-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：2019-03-01 00:00:00
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journal_title：Biological psychology
pub_type： 历史文章,杂志文章,评审
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：2019-02-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
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journal_title：Biological psychology
pub_type： 杂志文章,评审
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2015.06.001
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：2020-02-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2006.04.007
更新日期：2006-10-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/0301-0511(89)90093-8
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pub_type： 杂志文章
doi：10.1016/0301-0511(93)90077-l
更新日期：1993-08-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2005.08.003
更新日期：2006-05-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.biopsycho.2018.12.009
更新日期：2019-03-01 00:00:00
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pub_type： 杂志文章,评审
doi：10.1016/s0301-0511(00)00053-3
更新日期：2000-10-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章,评审
doi：10.1016/0301-0511(78)90059-5
更新日期：1978-12-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2018.04.001
更新日期：2018-05-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2008.09.001
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pub_type： 杂志文章
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2015.12.010
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更新日期：2020-01-01 00:00:00
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pub_type： 杂志文章
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更新日期：2010-03-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：1981-12-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
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更新日期：2013-12-01 00:00:00
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pub_type： 临床试验,杂志文章
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更新日期：1998-09-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章,评审
doi：10.1016/0301-0511(84)90045-0
更新日期：1984-12-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2014.02.008
更新日期：2014-05-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2016.06.012
更新日期：2016-09-01 00:00:00
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journal_title：Biological psychology
pub_type： 杂志文章
doi：10.1016/j.biopsycho.2017.07.004
更新日期：2017-09-01 00:00:00
