Self-relevant threat contexts enhance early processing of fear-conditioned faces

Muench, Hannah M.; Westermann, Stefan; Pizzagalli, Diego A.; Hofmann, Stefan G.; Mueller, Erik M. (2016). Self-relevant threat contexts enhance early processing of fear-conditioned faces. Biological psychology, 121(B), pp. 194-202. Elsevier 10.1016/j.biopsycho.2016.07.017

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Anxiety states are characterized by attentional biases to threat and increased early brain responses to potentially threat signaling stimuli. How such stimuli are processed further depends on prior learning experiences (e.g. conditioning and extinction) and the context in which a stimulus appears. Whether context information and prior learning experiences interact with early threat processing in humans is largely unknown. Here, EEG was recorded while healthy participants (N=20) viewed faces that were fear-conditioned and/or extinguished 24h before. Faces were either passively viewed or presented within different contexts, which were created by describing scenarios that could either involve participants directly (self-threatening), or made them observers (other-threatening) of a potentially dangerous situation. Early brain responses (i.e., P1 amplitudes) were specifically enhanced during the self-threatening condition in response to non-extinguished versus extinguished fear-conditioned faces. This finding suggests that top-down contextual information is incorporated into early attention modulation of previously learned threat signals.

Item Type:

Journal Article (Original Article)

Division/Institute:

07 Faculty of Human Sciences > Institute of Psychology > Clinical Psychology and Psychotherapy
07 Faculty of Human Sciences > Institute of Psychology

UniBE Contributor:

Westermann, Stefan

Subjects:

100 Philosophy > 150 Psychology
600 Technology > 610 Medicine & health

ISSN:

0301-0511

Publisher:

Elsevier

Language:

English

Submitter:

Salome Irina Rahel Bötschi

Date Deposited:

29 May 2017 11:18

Last Modified:

29 May 2017 11:18

Publisher DOI:

10.1016/j.biopsycho.2016.07.017

PubMed ID:

27475476

Additional Information:

Special issue: "Determinants and associations of threat-related cognitive biases: Cognitive and neurophysiological perspectives"

Uncontrolled Keywords:

Emotion regulation; Face processing; P1; Pavlovian conditioning

BORIS DOI:

10.7892/boris.93308

URI:

https://boris.unibe.ch/id/eprint/93308

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