Effects of anxiety on the processing of fearful and happy faces: An event-related potential study
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),...
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| Veröffentlicht in: | Biological psychology 2008-02, Vol.77 (2), p.159-173 |
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| container_title | Biological psychology |
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| creator | Holmes, Amanda Nielsen, Maria Kragh Green, Simon |
| description | 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. |
| doi_str_mv | 10.1016/j.biopsycho.2007.10.003 |
| format | Article |
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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.</description><subject>Adult</subject><subject>Anxiety - psychology</subject><subject>Attention</subject><subject>Behavioral psychophysiology</subject><subject>Biological and medical sciences</subject><subject>Brain mechanisms</subject><subject>Cerebral Cortex - physiology</subject><subject>Cues</subject><subject>Data Interpretation, Statistical</subject><subject>Electrocardiography</subject><subject>Electroencephalography</subject><subject>Emotional expression</subject><subject>Evoked Potentials - physiology</subject><subject>Face processing</subject><subject>Facial Expression</subject><subject>Fear - psychology</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Habituation, Psychophysiologic - physiology</subject><subject>Happiness</subject><subject>Humans</subject><subject>Male</subject><subject>Perception</subject><subject>Personality Tests</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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Psychology</topic><topic>Habituation, Psychophysiologic - physiology</topic><topic>Happiness</topic><topic>Humans</topic><topic>Male</topic><topic>Perception</topic><topic>Personality Tests</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Holmes, Amanda</creatorcontrib><creatorcontrib>Nielsen, Maria Kragh</creatorcontrib><creatorcontrib>Green, Simon</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Biological psychology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Holmes, Amanda</au><au>Nielsen, Maria Kragh</au><au>Green, Simon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of anxiety on the processing of fearful and happy faces: An event-related potential study</atitle><jtitle>Biological psychology</jtitle><addtitle>Biol Psychol</addtitle><date>2008-02-01</date><risdate>2008</risdate><volume>77</volume><issue>2</issue><spage>159</spage><epage>173</epage><pages>159-173</pages><issn>0301-0511</issn><eissn>1873-6246</eissn><coden>BLPYAX</coden><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. 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| ispartof | Biological psychology, 2008-02, Vol.77 (2), p.159-173 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Adult Anxiety - psychology Attention Behavioral psychophysiology Biological and medical sciences Brain mechanisms Cerebral Cortex - physiology Cues Data Interpretation, Statistical Electrocardiography Electroencephalography Emotional expression Evoked Potentials - physiology Face processing Facial Expression Fear - psychology Female Fundamental and applied biological sciences. Psychology Habituation, Psychophysiologic - physiology Happiness Humans Male Perception Personality Tests Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology |
| title | Effects of anxiety on the processing of fearful and happy faces: An event-related potential study |
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