Attending to the heart is associated with posterior alpha band increase and a reduction in sensitivity to concurrent visual stimuli
Mario Villena-González
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
These authors contributed equally to this work.
Search for more papers by this authorCristóbal Moënne-Loccoz
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Department of Computer Sciences, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
These authors contributed equally to this work.
Search for more papers by this authorRodrigo A. Lagos
Universidad Autónoma de Chile, Santiago, Chile
School of Public Health, Universidad de Chile, Santiago, Chile
Search for more papers by this authorLuz M. Alliende
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorPablo Billeke
Centro de Investigación en Complejidad Social, Facultad de Gobierno, Universidad del Desarrollo, Santiago, Chile
Search for more papers by this authorFrancisco Aboitiz
Department of Psychiatry, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorVladimir López
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorCorresponding Author
Diego Cosmelli
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Correspondence Diego Cosmelli, Escuela de Psicología, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile. Email: [email protected]Search for more papers by this authorMario Villena-González
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
These authors contributed equally to this work.
Search for more papers by this authorCristóbal Moënne-Loccoz
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Department of Computer Sciences, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
These authors contributed equally to this work.
Search for more papers by this authorRodrigo A. Lagos
Universidad Autónoma de Chile, Santiago, Chile
School of Public Health, Universidad de Chile, Santiago, Chile
Search for more papers by this authorLuz M. Alliende
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorPablo Billeke
Centro de Investigación en Complejidad Social, Facultad de Gobierno, Universidad del Desarrollo, Santiago, Chile
Search for more papers by this authorFrancisco Aboitiz
Department of Psychiatry, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorVladimir López
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Search for more papers by this authorCorresponding Author
Diego Cosmelli
School of Psychology, Faculty of Social Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Interdisciplinary Center for Neurosciences, Pontificia Universidad Católica de Chile, Santiago, Chile
Correspondence Diego Cosmelli, Escuela de Psicología, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile. Email: [email protected]Search for more papers by this authorFunding information: PhD CONICYT-PFCHA/Doctorado Nacional 21140290 fellowship (to M. V.) and 21110823 (to C. M.), FONDECYT (grants No. 1130758 and No. 1090612) (to D.C. and V.L.), (grant No. 1150241) (to V. L.), Fund for Innovation and Competitiveness (FIC) of the Chilean Ministry of Economy, Development and Tourism, through the Millennium Scientific Initiative (grant No. IS130005) (to D. C.)
Abstract
Attentional mechanisms have been studied mostly in specific sensory domains, such as auditory, visuospatial, or tactile modalities. In contrast, attention to internal interoceptive visceral targets has only recently begun to be studied, despite its potential importance in emotion, empathy, and self-awareness. Here, we studied the effects of shifting attention to the heart using a cue-target detection paradigm during continuous EEG recordings. Subjects were instructed to count either a series of visual stimuli (visual condition) or their own heartbeats (heart condition). Visual checkerboard stimuli were used as attentional probes throughout the task. Consistent with previous findings, attention modulated the amplitude of the heartbeat-evoked potentials. Directing attention to the heart significantly reduced the visual P1/N1 amplitude evoked by the attentional probe. ERPs locked to the attention-directing cue revealed a novel frontal positivity around 300 ms postcue. Finally, spectral power in the alpha band over parieto-occipital regions was higher while attending to the heart—when compared to the visual task—and correlated with subject's performance in the interoceptive task. These results are consistent with a shared, resource-based attentional mechanism whereby allocating attention to bodily signals can affect early responses to visual stimuli.
Supporting Information
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