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    Rights statement: This is the author’s version of a work that was accepted for publication in Consciousness and Cognition. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Consciousness and Cognition, 71, 2019 DOI: 10.1016/j.concog.2019.03.003

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Evidence for Distinct Clusters of Diverse Anomalous Experiences and Their Selective Association with Signs of Elevated Cortical Hyperexcitability

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Evidence for Distinct Clusters of Diverse Anomalous Experiences and Their Selective Association with Signs of Elevated Cortical Hyperexcitability. / Yuen Fong, Chun; Takahashi, Chie; Braithwaite, J. J.

In: Consciousness and Cognition, Vol. 71, 01.05.2019, p. 1-17.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Yuen Fong C, Takahashi C, Braithwaite JJ. Evidence for Distinct Clusters of Diverse Anomalous Experiences and Their Selective Association with Signs of Elevated Cortical Hyperexcitability. Consciousness and Cognition. 2019 May 1;71:1-17. Epub 2019 Mar 21. doi: 10.1016/j.concog.2019.03.003

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@article{12da4492deef49868c28f308a87e11dd,
title = "Evidence for Distinct Clusters of Diverse Anomalous Experiences and Their Selective Association with Signs of Elevated Cortical Hyperexcitability",
abstract = "Visual cortical hyperexcitability (VCH) is an underlying factor for aberrant visual experience. Utilizing an exploratory factor analysis (n=300), study 1 developed a revised proxy screening measure for VCH - the Cortical Hyperexcitability index – II(CHi-II). The result revealed a stable 3-factor solution. Study 2 tested both a migraine group and a control group on the CHi-II with a behavioural task that is known to reflect VCH. The migraine group produced significantly elevated scores two factors of CHi-II. Among the non-migraine group, subjects with high VCH also produced significantly elevated scores on CHi-II compared to those with low VCH. These findings support the utility of CHi-II as an indirect proxy measure for signs of VCH and reveal new categorical distinctions for the nature of the anomalous perceptions. These perceptions may well reflect diverse neurocognitive underpinnings leading to advancements in our understanding of aberrations in conscious experience. ",
keywords = "Hallucinations, Cortical hyperexcitability index II, Pattern=glare, Consciousness, Aura",
author = "{Yuen Fong}, Chun and Chie Takahashi and Braithwaite, {J. J.}",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Consciousness and Cognition. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Consciousness and Cognition, 71, 2019 DOI: 10.1016/j.concog.2019.03.003",
year = "2019",
month = may,
day = "1",
doi = "10.1016/j.concog.2019.03.003",
language = "English",
volume = "71",
pages = "1--17",
journal = "Consciousness and Cognition",
issn = "1053-8100",
publisher = "Academic Press Inc.",

}

RIS

TY - JOUR

T1 - Evidence for Distinct Clusters of Diverse Anomalous Experiences and Their Selective Association with Signs of Elevated Cortical Hyperexcitability

AU - Yuen Fong, Chun

AU - Takahashi, Chie

AU - Braithwaite, J. J.

N1 - This is the author’s version of a work that was accepted for publication in Consciousness and Cognition. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Consciousness and Cognition, 71, 2019 DOI: 10.1016/j.concog.2019.03.003

PY - 2019/5/1

Y1 - 2019/5/1

N2 - Visual cortical hyperexcitability (VCH) is an underlying factor for aberrant visual experience. Utilizing an exploratory factor analysis (n=300), study 1 developed a revised proxy screening measure for VCH - the Cortical Hyperexcitability index – II(CHi-II). The result revealed a stable 3-factor solution. Study 2 tested both a migraine group and a control group on the CHi-II with a behavioural task that is known to reflect VCH. The migraine group produced significantly elevated scores two factors of CHi-II. Among the non-migraine group, subjects with high VCH also produced significantly elevated scores on CHi-II compared to those with low VCH. These findings support the utility of CHi-II as an indirect proxy measure for signs of VCH and reveal new categorical distinctions for the nature of the anomalous perceptions. These perceptions may well reflect diverse neurocognitive underpinnings leading to advancements in our understanding of aberrations in conscious experience.

AB - Visual cortical hyperexcitability (VCH) is an underlying factor for aberrant visual experience. Utilizing an exploratory factor analysis (n=300), study 1 developed a revised proxy screening measure for VCH - the Cortical Hyperexcitability index – II(CHi-II). The result revealed a stable 3-factor solution. Study 2 tested both a migraine group and a control group on the CHi-II with a behavioural task that is known to reflect VCH. The migraine group produced significantly elevated scores two factors of CHi-II. Among the non-migraine group, subjects with high VCH also produced significantly elevated scores on CHi-II compared to those with low VCH. These findings support the utility of CHi-II as an indirect proxy measure for signs of VCH and reveal new categorical distinctions for the nature of the anomalous perceptions. These perceptions may well reflect diverse neurocognitive underpinnings leading to advancements in our understanding of aberrations in conscious experience.

KW - Hallucinations

KW - Cortical hyperexcitability index II

KW - Pattern=glare

KW - Consciousness

KW - Aura

U2 - 10.1016/j.concog.2019.03.003

DO - 10.1016/j.concog.2019.03.003

M3 - Journal article

VL - 71

SP - 1

EP - 17

JO - Consciousness and Cognition

JF - Consciousness and Cognition

SN - 1053-8100

ER -