Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication
In order to enable communication through a brain-computer interface (BCI), it is necessary to discriminate between distinct brain responses. As a first step, we probed the possibility to discriminate between affirmative (yes) and negative (no) responses using a semantic classical conditioning paradi...
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Frontiers Media S.A.
2014-07-01
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Series: | Frontiers in Behavioral Neuroscience |
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Online Access: | http://journal.frontiersin.org/Journal/10.3389/fnbeh.2014.00247/full |
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author | Linda evan der Heiden Linda evan der Heiden Giulia eLiberati Giulia eLiberati Giulia eLiberati Ranganatha eSitaram Ranganatha eSitaram Ranganatha eSitaram Sunjung eKim Antonino eRaffone Marta eOlivetti Belardinelli Marta eOlivetti Belardinelli Niels eBirbaumer Niels eBirbaumer Ralf eVeit |
author_facet | Linda evan der Heiden Linda evan der Heiden Giulia eLiberati Giulia eLiberati Giulia eLiberati Ranganatha eSitaram Ranganatha eSitaram Ranganatha eSitaram Sunjung eKim Antonino eRaffone Marta eOlivetti Belardinelli Marta eOlivetti Belardinelli Niels eBirbaumer Niels eBirbaumer Ralf eVeit |
author_sort | Linda evan der Heiden |
collection | DOAJ |
description | In order to enable communication through a brain-computer interface (BCI), it is necessary to discriminate between distinct brain responses. As a first step, we probed the possibility to discriminate between affirmative (yes) and negative (no) responses using a semantic classical conditioning paradigm, within an fMRI setting.Subjects were presented with congruent and incongruent word-pairs as conditioned stimuli (CS), respectively eliciting affirmative and negative responses. Incongruent word-pairs were associated to an unpleasant unconditioned stimulus (scream, US1) and congruent word-pairs were associated to a pleasant unconditioned stimulus (baby-laughter, US2), in order to elicit emotional conditioned responses (CR). The aim was to discriminate between affirmative and negative responses, enabled by their association with the positive and negative affective stimuli. In the late acquisition phase, when the US were not present anymore, there was a strong significant differential activation for incongruent and congruent word-pairs in a cluster comprising the left insula and the inferior frontal triangularis. This association was not found in the habituation phase. These results suggest that the difference in affirmative and negative brain responses was established as an effect of conditioning, allowing to further investigate the possibility of using this paradigm for a binary choice BCI. |
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issn | 1662-5153 |
language | English |
last_indexed | 2024-12-23T21:12:45Z |
publishDate | 2014-07-01 |
publisher | Frontiers Media S.A. |
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series | Frontiers in Behavioral Neuroscience |
spelling | doaj.art-59120ac77ea24c2b897c357698a7721c2022-12-21T17:31:00ZengFrontiers Media S.A.Frontiers in Behavioral Neuroscience1662-51532014-07-01810.3389/fnbeh.2014.0024789531Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communicationLinda evan der Heiden0Linda evan der Heiden1Giulia eLiberati2Giulia eLiberati3Giulia eLiberati4Ranganatha eSitaram5Ranganatha eSitaram6Ranganatha eSitaram7Sunjung eKim8Antonino eRaffone9Marta eOlivetti Belardinelli10Marta eOlivetti Belardinelli11Niels eBirbaumer12Niels eBirbaumer13Ralf eVeit14University of Finance and ManagementEberhard Karls-UniversityUniversité catholique de LouvainEberhard Karls-UniversityInteruniversity Center for Research on Natural and Artificial Systems (ECONA)University of FloridaEberhard Karls-UniversitySri Chitra Tirunal Institute of Medical Sciences and TechnologyEberhard Karls-UniversitySapienza University of RomeInteruniversity Center for Research on Natural and Artificial Systems (ECONA)Sapienza University of RomeEberhard Karls-UniversityOspedale San Camillo—IRCCS, Istituto di Ricovero e Cura a Carattere ScientificoEberhard Karls-UniversityIn order to enable communication through a brain-computer interface (BCI), it is necessary to discriminate between distinct brain responses. As a first step, we probed the possibility to discriminate between affirmative (yes) and negative (no) responses using a semantic classical conditioning paradigm, within an fMRI setting.Subjects were presented with congruent and incongruent word-pairs as conditioned stimuli (CS), respectively eliciting affirmative and negative responses. Incongruent word-pairs were associated to an unpleasant unconditioned stimulus (scream, US1) and congruent word-pairs were associated to a pleasant unconditioned stimulus (baby-laughter, US2), in order to elicit emotional conditioned responses (CR). The aim was to discriminate between affirmative and negative responses, enabled by their association with the positive and negative affective stimuli. In the late acquisition phase, when the US were not present anymore, there was a strong significant differential activation for incongruent and congruent word-pairs in a cluster comprising the left insula and the inferior frontal triangularis. This association was not found in the habituation phase. These results suggest that the difference in affirmative and negative brain responses was established as an effect of conditioning, allowing to further investigate the possibility of using this paradigm for a binary choice BCI.http://journal.frontiersin.org/Journal/10.3389/fnbeh.2014.00247/fullEmotionsfMRIinsulaClassical ConditioningInferior Frontal Triangularis;BCI; |
spellingShingle | Linda evan der Heiden Linda evan der Heiden Giulia eLiberati Giulia eLiberati Giulia eLiberati Ranganatha eSitaram Ranganatha eSitaram Ranganatha eSitaram Sunjung eKim Antonino eRaffone Marta eOlivetti Belardinelli Marta eOlivetti Belardinelli Niels eBirbaumer Niels eBirbaumer Ralf eVeit Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication Frontiers in Behavioral Neuroscience Emotions fMRI insula Classical Conditioning Inferior Frontal Triangularis; BCI; |
title | Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication |
title_full | Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication |
title_fullStr | Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication |
title_full_unstemmed | Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication |
title_short | Insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic BCI communication |
title_sort | insula and inferior frontal triangularis activations distinguish between conditioned brain responses using emotional sounds for basic bci communication |
topic | Emotions fMRI insula Classical Conditioning Inferior Frontal Triangularis; BCI; |
url | http://journal.frontiersin.org/Journal/10.3389/fnbeh.2014.00247/full |
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