Publicação
Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling
| Resumo: | Resting state (RS) brain activity is inherently non-stationary. Hidden Semi-Markov Models (HsMM) can characterize the continuous RS data as a sequence of recurring and distinct brain states along with their spatio-temporal dynamics. Recent explorations suggest that EEG brain state dynamics in the alpha frequency link to auditory hallucination proneness (HP) in nonclinical individuals. The present study aims to replicate these findings to elucidate robust neural correlates of hallucinatory vulnerability. Specifically, we aimed to investigate the reproducibility of HsMM states across different data sets and within-data set variants as well as the replicability of the association between alpha brain state dynamics and HP. We found that most brain states are reproducible in different data sets, confirming that the HsMM characterized robust and generalizable EEG RS dynamics. Brain state topographies and temporal dynamics of different within-data set variants showed substantial similarities and were robust against reduced data length and number of electrodes. However, the association with HP was not directly reproducible across data sets. These results indicate that the sensitivity of brain state dynamics to capture individual variability in HP may depend on the data recording characteristics and individual variability in RS cognition, such as mind wandering. We suggest that the order in which eyes-open and eyes-closed RS data are acquired directly influences an individual’s attentional state and generation of spontaneous thoughts, and thereby might mediate the link to hallucinatory vulnerability. |
|---|---|
| Autores principais: | Honcamp, Hanna |
| Outros Autores: | Schwartze, Michael; Amorim, Maria; Linden, David; Pinheiro, Ana P.; Kotz, Sonja |
| Assunto: | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| Ano: | 2023 |
| País: | Portugal |
| Tipo de documento: | preprint |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade de Lisboa |
| Idioma: | inglês |
| Origem: | Repositório da Universidade de Lisboa |
| _version_ | 1866811283738722304 |
|---|---|
| author | Honcamp, Hanna |
| author2 | Schwartze, Michael Amorim, Maria Linden, David Pinheiro, Ana P. Kotz, Sonja |
| author2_role | author author author author author |
| author_facet | Honcamp, Hanna Schwartze, Michael Amorim, Maria Linden, David Pinheiro, Ana P. Kotz, Sonja |
| author_role | author |
| contributor_name_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Honcamp, Hanna\",\"Person.identifier.orcid\":\"0009-0001-3373-9368\"},{\"Person.name\":\"Schwartze, Michael\",\"Person.identifier.orcid\":\"0000-0003-3366-4893\"},{\"Person.name\":\"Amorim, Maria\",\"Person.identifier.orcid\":\"0000-0002-9279-0921\"},{\"Person.name\":\"Linden, David\",\"Person.identifier.orcid\":\"0000-0002-5638-9292\"},{\"Person.name\":\"Pinheiro, Ana P.\",\"Person.identifier.orcid\":\"0000-0002-7981-3682\"},{\"Person.name\":\"Kotz, Sonja\",\"Person.identifier.orcid\":\"0000-0002-5894-4624\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| datacite.creators.creator.creatorName.fl_str_mv | Honcamp, Hanna Schwartze, Michael Amorim, Maria Linden, David Pinheiro, Ana P. Kotz, Sonja |
| datacite.date.Accepted.fl_str_mv | 2023-12-12T00:00:00Z |
| datacite.date.available.fl_str_mv | 2024-02-22T16:54:59Z |
| datacite.date.embargoed.fl_str_mv | 2024-02-22T16:54:59Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| datacite.titles.title.fl_str_mv | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| dc.contributor.none.fl_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| dc.creator.none.fl_str_mv | Honcamp, Hanna Schwartze, Michael Amorim, Maria Linden, David Pinheiro, Ana P. Kotz, Sonja |
| dc.date.Accepted.fl_str_mv | 2023-12-12T00:00:00Z |
| dc.date.available.fl_str_mv | 2024-02-22T16:54:59Z |
| dc.date.embargoed.fl_str_mv | 2024-02-22T16:54:59Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10451/62851 |
| dc.language.none.fl_str_mv | eng |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| dc.title.fl_str_mv | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_816b |
| description | Resting state (RS) brain activity is inherently non-stationary. Hidden Semi-Markov Models (HsMM) can characterize the continuous RS data as a sequence of recurring and distinct brain states along with their spatio-temporal dynamics. Recent explorations suggest that EEG brain state dynamics in the alpha frequency link to auditory hallucination proneness (HP) in nonclinical individuals. The present study aims to replicate these findings to elucidate robust neural correlates of hallucinatory vulnerability. Specifically, we aimed to investigate the reproducibility of HsMM states across different data sets and within-data set variants as well as the replicability of the association between alpha brain state dynamics and HP. We found that most brain states are reproducible in different data sets, confirming that the HsMM characterized robust and generalizable EEG RS dynamics. Brain state topographies and temporal dynamics of different within-data set variants showed substantial similarities and were robust against reduced data length and number of electrodes. However, the association with HP was not directly reproducible across data sets. These results indicate that the sensitivity of brain state dynamics to capture individual variability in HP may depend on the data recording characteristics and individual variability in RS cognition, such as mind wandering. We suggest that the order in which eyes-open and eyes-closed RS data are acquired directly influences an individual’s attentional state and generation of spontaneous thoughts, and thereby might mediate the link to hallucinatory vulnerability. |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | preprint |
| fulltext.url.fl_str_mv | https://repositorio.ulisboa.pt/bitstreams/ce5899f4-eb90-4b3b-bee6-4912a6bff02a/download |
| id | ul_8d2d131c4fb24ccf76bd1e034d3be56e |
| identifier.url.fl_str_mv | http://hdl.handle.net/10451/62851 |
| instacron_str | ul |
| institution | Universidade de Lisboa |
| instname_str | Universidade de Lisboa |
| language | eng |
| network_acronym_str | ul |
| network_name_str | Repositório da Universidade de Lisboa |
| oai_identifier_str | oai:repositorio.ulisboa.pt:10451/62851 |
| organization_str_mv | urn:organizationAcronym:ul |
| person_str_mv | Honcamp, Hanna Honcamp, Hanna http://orcid.org/0009-0001-3373-9368 0009-0001-3373-9368 Schwartze, Michael Schwartze, Michael https://www.ciencia-id.pt/1515-F9DE-0BA3 1515-F9DE-0BA3 http://orcid.org/0000-0003-3366-4893 0000-0003-3366-4893 Amorim, Maria Amorim, Maria https://www.ciencia-id.pt/CA1D-286D-A373 CA1D-286D-A373 http://orcid.org/0000-0002-9279-0921 0000-0002-9279-0921 Linden, David Linden, David http://orcid.org/0000-0002-5638-9292 0000-0002-5638-9292 Pinheiro, Ana P. Pinheiro, Ana P. https://www.ciencia-id.pt/6E1C-0855-073D 6E1C-0855-073D http://orcid.org/0000-0002-7981-3682 0000-0002-7981-3682 Kotz, Sonja Kotz, Sonja http://orcid.org/0000-0002-5894-4624 0000-0002-5894-4624 |
| publishDate | 2023 |
| reponame_str | Repositório da Universidade de Lisboa |
| repository_id_str | urn:repositoryAcronym:ul |
| service_str_mv | urn:repositoryAcronym:ul |
| spelling | engpt_PTResting state (RS) brain activity is inherently non-stationary. Hidden Semi-Markov Models (HsMM) can characterize the continuous RS data as a sequence of recurring and distinct brain states along with their spatio-temporal dynamics. Recent explorations suggest that EEG brain state dynamics in the alpha frequency link to auditory hallucination proneness (HP) in nonclinical individuals. The present study aims to replicate these findings to elucidate robust neural correlates of hallucinatory vulnerability. Specifically, we aimed to investigate the reproducibility of HsMM states across different data sets and within-data set variants as well as the replicability of the association between alpha brain state dynamics and HP. We found that most brain states are reproducible in different data sets, confirming that the HsMM characterized robust and generalizable EEG RS dynamics. Brain state topographies and temporal dynamics of different within-data set variants showed substantial similarities and were robust against reduced data length and number of electrodes. However, the association with HP was not directly reproducible across data sets. These results indicate that the sensitivity of brain state dynamics to capture individual variability in HP may depend on the data recording characteristics and individual variability in RS cognition, such as mind wandering. We suggest that the order in which eyes-open and eyes-closed RS data are acquired directly influences an individual’s attentional state and generation of spontaneous thoughts, and thereby might mediate the link to hallucinatory vulnerability.application/pdfpt_PTRevisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov ModelingPersonalHoncamp, HannaDSpacehttp://dspace.org/items/c42320df-7d8a-4c6c-a1bb-127f347d19adDSpacehttp://dspace.org/items/c42320df-7d8a-4c6c-a1bb-127f347d19adHoncampHannaORCIDhttp://orcid.org0009-0001-3373-9368PersonalSchwartze, MichaelDSpacehttp://dspace.org/items/1d97094b-0bd4-4147-b6a8-fe901dfcef47DSpacehttp://dspace.org/items/1d97094b-0bd4-4147-b6a8-fe901dfcef47SchwartzeMichaelCiência IDhttps://www.ciencia-id.pt1515-F9DE-0BA3ORCIDhttp://orcid.org0000-0003-3366-4893Scopus Author IDhttps://www.scopus.com35076531500PersonalAmorim, MariaDSpacehttp://dspace.org/items/7583a57c-6d7c-40c5-87d2-a077a7a390a9DSpacehttp://dspace.org/items/7583a57c-6d7c-40c5-87d2-a077a7a390a9AmorimMariaCiência IDhttps://www.ciencia-id.ptCA1D-286D-A373ORCIDhttp://orcid.org0000-0002-9279-0921PersonalLinden, DavidDSpacehttp://dspace.org/items/095051f3-4844-47c9-a3f1-5bc03836c9ceDSpacehttp://dspace.org/items/095051f3-4844-47c9-a3f1-5bc03836c9ceLindenDavidORCIDhttp://orcid.org0000-0002-5638-9292Researcher IDhttps://www.researcherid.comC-7355-2013PersonalPinheiro, Ana P.DSpacehttp://dspace.org/items/37dfa7cf-5d10-426c-b96f-34ba55489662DSpacehttp://dspace.org/items/37dfa7cf-5d10-426c-b96f-34ba55489662PinheiroAnaCiência IDhttps://www.ciencia-id.pt6E1C-0855-073DORCIDhttp://orcid.org0000-0002-7981-3682Scopus Author IDhttps://www.scopus.com36172795600PersonalKotz, SonjaDSpacehttp://dspace.org/items/57ed99c9-876a-4452-8c86-d9a48d550cacDSpacehttp://dspace.org/items/57ed99c9-876a-4452-8c86-d9a48d550cacKotzSonjaORCIDhttp://orcid.org0000-0002-5894-4624HostingInstitutionOrganizationalRepositório Científico de Acesso Aberto da ULisboae-mailmailto:repositorio@reitoria.ulisboa.ptrepositorio@reitoria.ulisboa.ptDOIIsPartOf10.1101/2023.12.11.5710702024-02-22T16:54:59Z2023-12-122024-01-25T23:14:04Z2023-12-12T00:00:00ZHandlehttp://hdl.handle.net/10451/62851http://purl.org/coar/access_right/c_abf2open accessHidden Semi-Markov ModelResting stateAlpha dynamicsReproducibilityHallucination pronenessSpontaneous thoughts820189 bytesother research producthttp://purl.org/coar/resource_type/c_816bpreprinthttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://repositorio.ulisboa.pt/bitstreams/ce5899f4-eb90-4b3b-bee6-4912a6bff02a/download |
| spellingShingle | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling Honcamp, Hanna Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| status | SINGLETON |
| subject.fl_str_mv | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| title | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| title_full | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| title_fullStr | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| title_full_unstemmed | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| title_short | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| title_sort | Revisiting Alpha Resting State Dynamics Underlying Hallucinatory Vulnerability: Insights from Hidden Semi-Markov Modeling |
| topic | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| topic_facet | Hidden Semi-Markov Model Resting state Alpha dynamics Reproducibility Hallucination proneness Spontaneous thoughts |
| url | http://hdl.handle.net/10451/62851 |
| visible | 1 |