{"title":"Temel Duygusal Durumların Hemodinamik Karşılıklarının Taşınabilir bir İşlevsel Yakın Kızılaltı Spektroskopi Sistemi ile Tanımlanması","authors":"S. Erdoğan","doi":"10.30565/medalanya.1120497","DOIUrl":null,"url":null,"abstract":"Objective: The aim of this study was to test the feasibility of a functional near infrared spectroscopy (fNIRS) system for quantification of the similarities and differences in the spatial localization of cerebral hemodynamic activation induced by visual presentation of neutral, negative and positive valence emotional stimuli. Method: 13 healthy subjects viewed neutral, pleasant and unpleasant pictures from the International Affective Picture System (IAPS) database in a block design experiment while the prefrontal cortical hemodynamic changes induced by emotional stimuli were continuously recorded with a 20 channel fNIRS system that covered the forehead region. Results: Negative valence pictures induced higher hemodynamic activity in right lateralized regions involving dorsolateral and oribtofrontal cortex when compared to neutral and positive valence stimuli (pFDR","PeriodicalId":7003,"journal":{"name":"Acta Medica Alanya","volume":"68 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Medica Alanya","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.30565/medalanya.1120497","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Temel Duygusal Durumların Hemodinamik Karşılıklarının Taşınabilir bir İşlevsel Yakın Kızılaltı Spektroskopi Sistemi ile Tanımlanması
Objective: The aim of this study was to test the feasibility of a functional near infrared spectroscopy (fNIRS) system for quantification of the similarities and differences in the spatial localization of cerebral hemodynamic activation induced by visual presentation of neutral, negative and positive valence emotional stimuli. Method: 13 healthy subjects viewed neutral, pleasant and unpleasant pictures from the International Affective Picture System (IAPS) database in a block design experiment while the prefrontal cortical hemodynamic changes induced by emotional stimuli were continuously recorded with a 20 channel fNIRS system that covered the forehead region. Results: Negative valence pictures induced higher hemodynamic activity in right lateralized regions involving dorsolateral and oribtofrontal cortex when compared to neutral and positive valence stimuli (pFDR
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