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  Modeling event‐related heart period responses

Paulus, P. C., Castegnetti, G., & Bach, D. R. (2016). Modeling event‐related heart period responses. Psychophysiology, 53(6), 837-846. doi:10.1111/psyp.12622.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-A0D3-E Version Permalink: http://hdl.handle.net/21.11116/0000-0004-9B1D-E
Genre: Journal Article

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 Creators:
Paulus, Philipp C.1, 2, 3, Author              
Castegnetti, Giuseppe1, 2, Author
Bach, Dominik R.1, 2, 4, Author
Affiliations:
1Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital Zurich, Switzerland, ou_persistent22              
2Neuroscience Center Zurich, University of Zurich, Switzerland, ou_persistent22              
3Department of Psychology, TU Dresden, Germany, ou_persistent22              
4Wellcome Trust Centre for Neuroimaging, University College London, United Kingdom, ou_persistent22              

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Free keywords: Psychophysiological model; Statistical analysis; Heart period; Cardiovascular; Emotion; Young adults
 Abstract: Cardiac rhythm is generated locally in the sinoatrial node, but modulated by central neural input. This may provide a possibility to infer central processes from observed phasic heart period responses (HPR). Currently, operational methods are used for HPR analysis. These methods embody implicit assumptions on how central states influence heart period. Here, we build an explicit psychophysiological model (PsPM) for event-related HPR. This phenomenological PsPM is based on three experiments involving white noise sounds, an auditory oddball task, and emotional picture viewing. The model is optimized with respect to predictive validity—the ability to separate experimental conditions from each other. To validate the PsPM, an independent sample of participants is presented with auditory stimuli of varying intensity and emotional pictures of negative and positive valence, at short intertrial intervals. Our model discriminates these experimental conditions from each other better than operational approaches. We conclude that our PsPM is more sensitive to distinguish experimental manipulations based on heart period data than operational methods, and furnishes a principled approach to analysis of HPR.

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Language(s): eng - English
 Dates: 2015-08-192016-01-032016-02-052016-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1111/psyp.12622
PMID: 26849101
PMC: PMC4869677
Other: Epub 2016
 Degree: -

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Title: Psychophysiology
Source Genre: Journal
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Pages: - Volume / Issue: 53 (6) Sequence Number: - Start / End Page: 837 - 846 Identifier: ISSN: 0048-5772
CoNE: https://pure.mpg.de/cone/journals/resource/954925334698