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Auton Neurosci. 2015 Dec;193:132-7. doi: 10.1016/j.autneu.2015.06.006. Epub 2015 Jul 3.

Heart evoked potential triggers brain responses to natural affective scenes: A preliminary study.

Author information

1
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Institute of Neuroscience, Favaloro University, Buenos Aires, Argentina; UDP-INECO Foundation Core on Neuroscience (UIFCoN), Faculty of Psychology, Diego Portales University, Santiago, Chile.
2
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Institute of Neuroscience, Favaloro University, Buenos Aires, Argentina.
3
Laureate Institute for Brain Research (LIBR), Tulsa, USA.
4
Consciousness and Cognition Lab, Department of Psychology, University of Cambridge, UK.
5
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Institute of Neuroscience, Favaloro University, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.
6
UDP-INECO Foundation Core on Neuroscience (UIFCoN), Faculty of Psychology, Diego Portales University, Santiago, Chile.
7
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Consciousness and Cognition Lab, Department of Psychology, University of Cambridge, UK.
8
National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Universidad Torcuatto di Tella, Buenos Aires, Argentina.
9
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Institute of Neuroscience, Favaloro University, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Australian Research Council (ACR) Centre of Excellence in Cognition and its Disorders, Sydney, Australia.
10
Institute of Cognitive Neurology (INECO), Favaloro University, Buenos Aires, Argentina; Institute of Neuroscience, Favaloro University, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; UDP-INECO Foundation Core on Neuroscience (UIFCoN), Faculty of Psychology, Diego Portales University, Santiago, Chile; Universidad Autónoma del Caribe, Barranquilla, Colombia; Australian Research Council (ACR) Centre of Excellence in Cognition and its Disorders, Sydney, Australia. Electronic address: aibanez@ineco.org.ar.

Abstract

The relationship between ongoing brain interoceptive signals and emotional processes has been addressed only indirectly through external stimulus-locked measures. In this study, an internal body trigger (heart evoked potential, HEP) was used to measure ongoing internally triggered signals during emotional states. We employed high-density electroencephalography (hd-EEG), source reconstruction analysis, and behavioral measures to assess healthy participants watching emotion-inducing video-clips (positive, negative, and neutral emotions). Results showed emotional modulation of the HEP at specific source-space nodes of the fronto-insulo-temporal networks related to affective-cognitive integration. This study is the first to assess the direct convergence among continuous triggers of viscerosensory cortical markers and emotion through dynamic stimuli presentation.

KEYWORDS:

Body–emotion interaction; Emotion; HEP; Interoception; Ongoing bodily signals

PMID:
26188392
DOI:
10.1016/j.autneu.2015.06.006
[Indexed for MEDLINE]

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