Publicação
The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching
| Resumo: | Background: Task switching, defined as the ability to flexibly switch between tasks in the face of goal shifting, is a central mechanism in cognitive control. Task switching is thought to involve both prefrontal cortex (PFC) and parietal regions. Our previous work has shown that it is possible to modulate set shifting tasks using 1 mA tDCS on both the left dorsolateral prefrontal cortex and the left primary motor area. However, it remains unclear whether the effects of PFC tDCS on task switching are hemisphere-dependent.Objectives: We aimed to test the effects of three types of cross-hemispheric tDCS over the PFC (left anode right cathode [LA-RC], left cathode right anode [LC-RA] and sham stimulation) on participants' performance (reaction time) and accuracy (correct responses) in two task-switching paradigms (i.e., letter/digit naming and vowel-consonant/parity tasks).Methods: Sixteen participants received cross-hemispheric tDCS over the PFC in two task-switching paradigms.Results: The results show that cross-hemispheric tDCS over the PFC modulates task-switching ability in both paradigms. Our results were task and hemisphere-specific, such that in the letter/digit naming task, LA-RC tDCS increased switching performance, whereas LC-RA tDCS improved accuracy. On the other hand, in the vowel-consonant/parity task, LA-RC improved accuracy, and decreased switching performance.Conclusions: Our findings confirm the notion that involvement of the PFC on task switching depends critically on laterality, implying the existence of different roles for the left hemisphere and the right hemisphere in task switching. |
|---|---|
| Autores principais: | Leite, Jorge |
| Outros Autores: | Carvalho, Sandra; Fregni, Felipe; Boggio, Paulo S.; Gonçalves, Óscar F. |
| Assunto: | Task switching PFC Cross-hemispheric tDCS |
| Ano: | 2013 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Universidade do Minho |
| Idioma: | inglês |
| Origem: | RepositóriUM - Universidade do Minho |
| _version_ | 1866878227442565120 |
|---|---|
| author | Leite, Jorge |
| author2 | Carvalho, Sandra Fregni, Felipe Boggio, Paulo S. Gonçalves, Óscar F. |
| author2_role | author author author author |
| author_facet | Leite, Jorge Carvalho, Sandra Fregni, Felipe Boggio, Paulo S. Gonçalves, Óscar F. |
| author_role | author |
| contributor_name_str_mv | Universidade do Minho |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Leite, Jorge\"},{\"Person.name\":\"Carvalho, Sandra\"},{\"Person.name\":\"Fregni, Felipe\"},{\"Person.name\":\"Boggio, Paulo S.\"},{\"Person.name\":\"Gonçalves, Óscar F.\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Universidade do Minho |
| datacite.creators.creator.creatorName.fl_str_mv | Leite, Jorge Carvalho, Sandra Fregni, Felipe Boggio, Paulo S. Gonçalves, Óscar F. |
| datacite.date.Accepted.fl_str_mv | 2013-01-01T00:00:00Z |
| datacite.date.embargoed.fl_str_mv | 10000-01-01T00:00:00Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_16ec |
| datacite.subjects.subject.fl_str_mv | Task switching PFC Cross-hemispheric tDCS |
| datacite.titles.title.fl_str_mv | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| dc.contributor.none.fl_str_mv | Universidade do Minho |
| dc.creator.none.fl_str_mv | Leite, Jorge Carvalho, Sandra Fregni, Felipe Boggio, Paulo S. Gonçalves, Óscar F. |
| dc.date.Accepted.fl_str_mv | 2013-01-01T00:00:00Z |
| dc.date.embargoed.fl_str_mv | 10000-01-01T00:00:00Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | https://hdl.handle.net/1822/69946 |
| dc.language.none.fl_str_mv | eng |
| dc.publisher.none.fl_str_mv | Elsevier Science |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_16ec |
| dc.subject.none.fl_str_mv | Task switching PFC Cross-hemispheric tDCS |
| dc.title.fl_str_mv | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | Background: Task switching, defined as the ability to flexibly switch between tasks in the face of goal shifting, is a central mechanism in cognitive control. Task switching is thought to involve both prefrontal cortex (PFC) and parietal regions. Our previous work has shown that it is possible to modulate set shifting tasks using 1 mA tDCS on both the left dorsolateral prefrontal cortex and the left primary motor area. However, it remains unclear whether the effects of PFC tDCS on task switching are hemisphere-dependent.Objectives: We aimed to test the effects of three types of cross-hemispheric tDCS over the PFC (left anode right cathode [LA-RC], left cathode right anode [LC-RA] and sham stimulation) on participants' performance (reaction time) and accuracy (correct responses) in two task-switching paradigms (i.e., letter/digit naming and vowel-consonant/parity tasks).Methods: Sixteen participants received cross-hemispheric tDCS over the PFC in two task-switching paradigms.Results: The results show that cross-hemispheric tDCS over the PFC modulates task-switching ability in both paradigms. Our results were task and hemisphere-specific, such that in the letter/digit naming task, LA-RC tDCS increased switching performance, whereas LC-RA tDCS improved accuracy. On the other hand, in the vowel-consonant/parity task, LA-RC improved accuracy, and decreased switching performance.Conclusions: Our findings confirm the notion that involvement of the PFC on task switching depends critically on laterality, implying the existence of different roles for the left hemisphere and the right hemisphere in task switching. |
| dirty | 0 |
| eu_rights_str_mv | restrictedAccess |
| format | article |
| fulltext.url.fl_str_mv | https://prod-dspace.uminho.pt/bitstreams/aeab3440-c614-4181-8633-31ab65897e23/download |
| id | rum_e45ec3be668469ce0cfd2b1aaa080646 |
| identifier.url.fl_str_mv | https://hdl.handle.net/1822/69946 |
| instacron_str | repositorium |
| institution | Universidade do Minho |
| instname_str | Universidade do Minho |
| language | eng |
| network_acronym_str | rum |
| network_name_str | RepositóriUM - Universidade do Minho |
| oai_identifier_str | oai:repositorium.uminho.pt:1822/69946 |
| organization_str_mv | urn:organizationAcronym:repositorium |
| person_str_mv | Leite, Jorge Carvalho, Sandra Fregni, Felipe Boggio, Paulo S. Gonçalves, Óscar F. |
| publishDate | 2013 |
| publisher.none.fl_str_mv | Elsevier Science |
| reponame_str | RepositóriUM - Universidade do Minho |
| repository_id_str | urn:repositoryAcronym:rum |
| service_str_mv | urn:repositoryAcronym:rum |
| spelling | engElsevier ScienceporBackground: Task switching, defined as the ability to flexibly switch between tasks in the face of goal shifting, is a central mechanism in cognitive control. Task switching is thought to involve both prefrontal cortex (PFC) and parietal regions. Our previous work has shown that it is possible to modulate set shifting tasks using 1 mA tDCS on both the left dorsolateral prefrontal cortex and the left primary motor area. However, it remains unclear whether the effects of PFC tDCS on task switching are hemisphere-dependent.Objectives: We aimed to test the effects of three types of cross-hemispheric tDCS over the PFC (left anode right cathode [LA-RC], left cathode right anode [LC-RA] and sham stimulation) on participants' performance (reaction time) and accuracy (correct responses) in two task-switching paradigms (i.e., letter/digit naming and vowel-consonant/parity tasks).Methods: Sixteen participants received cross-hemispheric tDCS over the PFC in two task-switching paradigms.Results: The results show that cross-hemispheric tDCS over the PFC modulates task-switching ability in both paradigms. Our results were task and hemisphere-specific, such that in the letter/digit naming task, LA-RC tDCS increased switching performance, whereas LC-RA tDCS improved accuracy. On the other hand, in the vowel-consonant/parity task, LA-RC improved accuracy, and decreased switching performance.Conclusions: Our findings confirm the notion that involvement of the PFC on task switching depends critically on laterality, implying the existence of different roles for the left hemisphere and the right hemisphere in task switching.application/pdfporThe effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switchingLeite, JorgeCarvalho, SandraFregni, FelipeBoggio, Paulo S.Gonçalves, Óscar F.HostingInstitutionOrganizationalUniversidade do Minhoe-mailmailto:repositorium@usdb.uminho.ptrepositorium@usdb.uminho.ptISSNIsPartOf1935-861XDOIIsPartOf10.1016/j.brs.2012.10.00620132021-01-31T15:04:49Z10000-01-01T00:00:00Z2013-01-01T00:00:00ZHandlehttps://hdl.handle.net/1822/69946http://purl.org/coar/access_right/c_16ecrestricted accessTask switchingPFCCross-hemispheric tDCS574543 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal articlehttp://purl.org/coar/access_right/c_f1cfapplication/pdffulltexthttps://prod-dspace.uminho.pt/bitstreams/aeab3440-c614-4181-8633-31ab65897e23/download |
| spellingShingle | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching Leite, Jorge Task switching PFC Cross-hemispheric tDCS |
| status | SINGLETON |
| subject.fl_str_mv | Task switching PFC Cross-hemispheric tDCS |
| title | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| title_full | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| title_fullStr | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| title_full_unstemmed | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| title_short | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| title_sort | The effects of cross-hemispheric dorsolateral prefrontal cortex transcranial Direct Current Stimulation (tDCS) on task switching |
| topic | Task switching PFC Cross-hemispheric tDCS |
| topic_facet | Task switching PFC Cross-hemispheric tDCS |
| url | https://hdl.handle.net/1822/69946 |
| visible | 1 |