Cited by 38Mindfulness and Compassion InterventionsMind wandering and attentionHeart Rate Variability and Autonomic Control

More meditation, less habituation? The effect of mindfulness practice on the acoustic startle reflex

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Antonova, Elena, Chadwick, Paul, Kumari, Veena·2015·PLoS ONE

Abstract

BACKGROUND: Mindfulness as a mode of sustained and receptive attention promotes openness to each incoming stimulus, even if repetitive and/or aversive. Mindful attention has been shown to attenuate sensory habituation in expert meditators; however, others were not able to replicate this effect. The present study used acoustic startle reflex to investigate the effect of mindfulness practice intensity on sensory habituation. METHODS: Auditory Startle Response (ASR) to 36 startling probes (12 trials x 3 block with 40 ms inter-block intervals), was measured using electromyography (EMG) in three groups of participants (N = 12/group): meditation-naïve, moderate practice, and intensive practice. RESULTS: Intensive practice group showed attenuated startle habituation as evidenced by significantly less habituation over the entire experiment relative to the meditation-naïve and moderate practice groups. Furthermore, there was a significant linear effect showing between-block habituation in meditation-naïve and moderate practice groups, but not in the intensive practice group. However, the Block x Group interaction between the intensive practice and the meditation-naive groups was not significant. Moderate practice group was not significantly different from the meditation-naïve in the overall measure of habituation, but showed significantly stronger habituation than both meditation-naïve and intensive practice groups in Block 1. Greater practice intensity was significantly correlated with slower overall habituation and habituation rate in Blocks 2 and 3 in the intensive, but not in the moderate, practice group. CONCLUSIONS: The study provides tentative evidence that intensive mindfulness practice attenuates acoustic startle habituation as measured by EMG, but the effect is modest.Moderate practice, on the other hand, appears to enhance habituation, suggesting the effect of mindfulness practice on startle habituation might be non-linear [corrected] . Better understanding of the effect of mindful attention on startle habituation may shed new light on sensory information processing capacity of the human brain and its potential for de-automatisation of hard-wired processes.

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  • The investigation was opportunistic, using two existing data sets from two independent psychophysiology projects, consisting of mostly (Study 1) or only men (Study 2).

    “Second, this investigation was opportunistic, using two existing data sets (from two independent psychophysiology projects, Antonova et al., 2015, Kumari et al., 2015), consisting of mostly (Study 1) or only men (Study 2).”

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  1. [14]Wechsler D. Wechsler Abbreviated Scale of Intelligence—Second Edition (WASI-II). San Antonio: Psychological Corporation; 1999.
  2. [34]Deatherage G. The clinical use of mindfulness meditation techniques in short-term psychotherapy. Journal of Transpersonal Psychology. 1975; 2: 133– 44.

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Authors
Antonova, E., Chadwick, P., & Kumari, V.
Affiliations
King's College London (GB)
Corresponding author
Antonova, Elena
Venue
PLoS ONE
Published
2015-05-06
Volume
10
Issue
5
Pages
e0123512
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1518717595
Cited by
38
References
44
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 7 · 2021: 6 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 2 · 2016: 3 · 2015: 4
FWCI
4.55
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Brunel University Research Archive (BURA) (Brunel University London) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Research Portal (King's College London) (submittedVersion, cc-by)
Funders
King's College London
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
Keywords
mindfulness meditation, sensory habituation, acoustic startle response, mindful attention, sensory processing
MeSH terms
Adult, Attention, Female, Habituation, Psychophysiologic, Humans, Male, Middle Aged, Practice, Psychological, Reflex, Startle, Meditation, Mindfulness

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