Acoustic prepulse inhibition: one ear is better than two, but why and when?
Open accessAbstract
We examined whether monaural prepulses produce more prepulse inhibition (PPI) because they might be more attention capturing (unambiguous to locate) than binaural prepulses. Monaural and binaural PPI was tested under normal and verbal and visuospatial attention manipulation conditions in 55 healthy men, including 29 meditators. Attention manipulations abolished monaural PPI superiority, similarly in meditators and meditation-naïve individuals, and this was most strongly evident for right ear PPI under visuospatial attention manipulation. Meditators performed better than meditation-naïve individuals on attention tasks (verbal: more targets detected; visuospatial: faster reaction time). Spatial attention processes contribute to monaural PPI, particularly with the right ear. Better attentional performance, with similar attentional modulation of PPI, may indicate a stronger attentional capacity in meditators, relative to meditation-naïve individuals.
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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).”
From Schizotypy and mindfulness: Magical thinking without suspiciousness characterizes mindfulness meditators (2016) · cites this paper as Kumari et al., 2015
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- Authors
- Kumari, V., Hamid, A., Brand, A., & Antonova, E.
- Affiliations
- King's College London (GB)
- Corresponding author
- Kumari, Veena
- Venue
- Psychophysiology
- Publisher
- Wiley
- Published
- 2014-12-05
- Volume
- 52
- Issue
- 5
- Pages
- 714-721
- ISSN
- 0048-5772 (ISSN-L)
- 1469-8986
- PMC
- PMC4407923
- OpenAlex
- W1491053601
- Cited by
- 8
- References
- 42
- Citations by year
- 2024: 1 · 2022: 1 · 2021: 2 · 2018: 1 · 2016: 2 · 2015: 1
- FWCI
- 0.56
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Psychophysiology (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research Portal (King's College London) (publishedVersion, cc-by)
- Brunel University Research Archive (BURA) (Brunel University London) (submittedVersion)
- Funders
- Bial Foundation (266/12)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
- Keywords
- prepulse inhibition, spatial attention, visuospatial attention, meditation, meditators
- MeSH terms
- Acoustic Stimulation, Adult, Attention, Auditory Perception, Humans, Male, Middle Aged, Psychomotor Performance, Space Perception, Meditation, Prepulse Inhibition
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