Adverse experiences in childhood influence brain responses to emotional stimuli in adult psychiatric patients

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2010
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International Journal of Psychophysiology. 2010, 75(3), pp. 277-286. ISSN 0167-8760. eISSN 1872-7697. Available under: doi: 10.1016/j.ijpsycho.2009.12.010
Zusammenfassung

Previous results suggest that early life stress (ELS) may be related to altered cortical responses to emotional stimuli. In a previous study, we found suppressed cortical responses to emotional pictures in psychiatric patients with high-ELS. The present study explored the stability of this effect across time and stimulation conditions. In addition, the relationship between ELS and current life stress was examined, and we probed whether this current life stress was related to the cortical responses. Fifteen patients with high, 16 patients with low-ELS and 15 psychiatrically healthy subjects with low-ELS participated in two sessions 8 months apart. Subjects monitored a rapid serial presentation of pleasant, neutral and unpleasant pictures during magnetoencephalographic recording. In both sessions, estimated neural activity in occipital parietal temporal regions between 70 and 250 ms after picture onset was smaller in patients, particularly in those with high-ELS, compared to healthy subjects. Modulation of activity by arousing (pleasant and unpleasant) compared to neutral stimuli around 200 ms post-stimulus did not differ between groups, whereas around 300 ms, patients did not show the pronounced cortical response to pleasant stimuli exhibited by healthy subjects. Results suggest that ELS and psychiatric disorder (1) diminish early perceptual processing (b200 ms) of emotional stimuli without substantially affecting activity modulation by stimulus arousal value, (2) diminish later attention allocation processes (N300 ms), and (3) are related to more recent life stress. High intraindividual correlations of activity patterns between sessions suggest lasting effects of ELS on processing modes.

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150 Psychologie
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Early life stress, Affective pictures, Mental disorder, Magnetoencephalography, RSVP
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ISO 690MATZ, Katharina, Markus JUNGHÖFER, Thomas ELBERT, Katja WEBER, Christian WIENBRUCH, Brigitte ROCKSTROH, 2010. Adverse experiences in childhood influence brain responses to emotional stimuli in adult psychiatric patients. In: International Journal of Psychophysiology. 2010, 75(3), pp. 277-286. ISSN 0167-8760. eISSN 1872-7697. Available under: doi: 10.1016/j.ijpsycho.2009.12.010
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@article{Matz2010Adver-10214,
  year={2010},
  doi={10.1016/j.ijpsycho.2009.12.010},
  title={Adverse experiences in childhood influence brain responses to emotional stimuli in adult psychiatric patients},
  number={3},
  volume={75},
  issn={0167-8760},
  journal={International Journal of Psychophysiology},
  pages={277--286},
  author={Matz, Katharina and Junghöfer, Markus and Elbert, Thomas and Weber, Katja and Wienbruch, Christian and Rockstroh, Brigitte}
}
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