skin response
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Target ◽  
2022 ◽  
Author(s):  
Yu Weng ◽  
Binghan Zheng ◽  
Yanping Dong

Abstract Translators may experience significant psychological and physiological responses to time pressure. This study examines such responses with the aim of identifying valid indicators of time pressure in written translation. Forty-five postgraduates participated in the study, translating three comparable English texts into Chinese under three time conditions (Short, Standard, and Free). A positive relation between time stringency and the arousal level detected by a set of self-reporting and biomarker measures was hypothesised. The hypothesis was corroborated by results derived from participants’ self-reporting on stress and anxiety, and the biomarkers of heart rate, blood pressure, and pupil dilation, but not by skin temperature, galvanic skin response (GSR), and heart rate variability (HRV). Thus, the measures that confirm the hypothesis are considered successful indicators of time pressure in translation. In addition, an inverted ‘U-shaped’ pattern was observed in the relation between time stringency and the arousal level indexed by GSR and HRV. These findings may facilitate research and training in translation and other cognitively demanding language-processing activities.


2022 ◽  
Vol 20 (4) ◽  
pp. 180-192
Author(s):  
G. A. Novik ◽  
M. V. Zhdanova ◽  
A. S. Demidova

Background. According to the currently existing hypothesis, epicutaneous sensitization is one of the leading mechanisms in the development of food allergy.The aim of this review was to analyze immune mechanisms in epicutaneous sensitization and the role of skin barrier impairment.We performed a literature search using PubMed, UpToDate, Web of Science, and Scopus databases by the key words: epicutaneous sensitization, atopic dermatitis, skin barrier impairment, food allergy. Articles were to be in open access and present the most relevant information on the topic. Studies were selected by the largest sample size and the highest citation index. Once publications were identified, they were reviewed by all the authors to select the studies that specifically addressed the theme of the review. A total of 101 publications from 1998–2000 were included in the study.This review article discusses the data of experimental studies, sets out modern ideas about the hypothesis of a double exposure to an allergen, and presents research data proving the clinical significance of epicutaneous sensitization in relation to food allergy. Knowledge about the mechanisms of epicutaneous sensitization development is necessary to elaborate strategies for prevention of food allergy. One of the modern trends in prevention is the use of emollients, which are supposed to restore the skin response. However, studies on preventive intake of emollients do not present a similar viewpoint.There is not enough evidence for or against the mechanism of epicutaneous sensitization as an indispensable condition for the formation of food allergies. Further research in this area is required. 


Author(s):  
Luma Tabbaa ◽  
Ryan Searle ◽  
Saber Mirzaee Bafti ◽  
Md Moinul Hossain ◽  
Jittrapol Intarasisrisawat ◽  
...  

The paper introduces a multimodal affective dataset named VREED (VR Eyes: Emotions Dataset) in which emotions were triggered using immersive 360° Video-Based Virtual Environments (360-VEs) delivered via Virtual Reality (VR) headset. Behavioural (eye tracking) and physiological signals (Electrocardiogram (ECG) and Galvanic Skin Response (GSR)) were captured, together with self-reported responses, from healthy participants (n=34) experiencing 360-VEs (n=12, 1--3 min each) selected through focus groups and a pilot trial. Statistical analysis confirmed the validity of the selected 360-VEs in eliciting the desired emotions. Preliminary machine learning analysis was carried out, demonstrating state-of-the-art performance reported in affective computing literature using non-immersive modalities. VREED is among the first multimodal VR datasets in emotion recognition using behavioural and physiological signals. VREED is made publicly available on Kaggle1. We hope that this contribution encourages other researchers to utilise VREED further to understand emotional responses in VR and ultimately enhance VR experiences design in applications where emotional elicitation plays a key role, i.e. healthcare, gaming, education, etc.


Author(s):  
Mehmet Ali Dincer ◽  
Kubra Evren Sahin ◽  
Savas Sahin

In this study, the development of a low-cost electronic card-based medical device measuring and recording patient data was described via non-invasive methods. Both the descriptive statistical analysis and the regression model was performed from the pulse and galvanic skin response (GSR) from the volunteer' data. It is important to measure and record different data simultaneously with multiple sensors from the patient during the treatment, medical operation and care periods of the patients. The data measured from the designed device was evaluated for the patient's position, GSR, the respiration rate, the blood oxygen content, and the heart rate. The designed measurement and recording device were implemented with an embedded system-based microcontroller card. The designed device might provide for monitoring and recording data with led display, serial port, microSD card or internet of things.


2021 ◽  
Vol 12 ◽  
Author(s):  
Negisa Seyed Toutounchi ◽  
Saskia Braber ◽  
Belinda van’t Land ◽  
Suzan Thijssen ◽  
Johan Garssen ◽  
...  

Deoxynivalenol (DON), a highly prevalent contaminant of grain-based products, is known to induce reproductive- and immunotoxicities. Considering the importance of immune development in early life, the present study investigated the effects of perinatal DON exposure on allergy development and vaccine responsiveness in the offspring. Pregnant mice received control or DON-contaminated diets (12.5 mg/kg diet) during pregnancy and lactation. After weaning, female offspring were sensitized to ovalbumin (OVA) by oral administration of OVA with cholera toxin (CT). Male offspring were injected with Influvac vaccine. OVA-specific acute allergic skin response (ASR) in females and vaccine-specific delayed-type hypersensitivity (DTH) in males were measured upon intradermal antigen challenge. Immune cell populations in spleen and antigen-specific plasma immunoglobulins were analyzed. In female CT+OVA-sensitized offspring of DON-exposed mothers ASR and OVA-specific plasma immunoglobulins were significantly higher, compared to the female offspring of control mothers. In vaccinated male offspring of DON-exposed mothers DTH and vaccine-specific antibody levels were significantly lower, compared to the male offspring of control mothers. In both models a significant reduction in regulatory T cells, Tbet+ Th1 cells and Th1-related cytokine production of the offspring of DON-exposed mothers was observed. In conclusion, early life dietary exposure to DON can adversely influence immune development in the offspring. Consequently, the immune system of the offspring may be skewed towards an imbalanced state, resulting in an increased allergic immune response to food allergens and a decreased immune response to vaccination against influenza virus in these models.


2021 ◽  
Vol 22 (27/28) ◽  
Author(s):  
Taavet Jansen ◽  
Aleksander Väljamäe

Abstract: Technological innovations like physiological computing offer new possibilities when exploring audience-performer interaction. To avoid technological solutionism that often accompanies biosensor applications in performing art, an artistic interventions approach was used. This paper describes a recent art-science residency consisting of three artistic experiments: the audience’s electrodermal, activity-driven soundscape in a dance improvisation, a “lie detector” applied to the actor just after the performance, and a heart-rate-driven personal discotheque installation. Both artist and scientist provide reflections on future development of this transdisciplinary field from the performing art perspective.   Nüüdisaegne interaktiivne teater toetub tehnoloogilistele uuendustele ja järjest enam kasutatakse uusi tehnoloogiaid ka kunstiteose sisu loomisel: on need siis vaatajate reaktsioone tajuvad riided, voogteatri etendus või vaatajate neurofüsioloogilisi reaktsioone mõõtvad sensorid. Etenduskunstnik Taavet Jansen ja neuroteadlane Aleksander Väljamäe töötasid publiku ja esinejate füsioloogiliste reaktsioonidega kunstiteaduse residentuuris Tallinna Ülikoolis veebruarist 2019 kuni juunini 2019. Füsioloogilisi reaktsioone uuriti kolme kunstilise eksperimendi jooksul või järel ning see artikkel kirjeldabki neid eksperimente, kunstniku mõtisklusi oma uurimisreisist ja arutleb, kuidas selliseid interaktsioonivõimalusi saaks kasutada voogteatri platvormidel. Iga kirjeldatud eksperimendi kohta avaldavad autorid ka oma mõtteid ja teevad ettepanekuid, mida eksperimendi kordamisel võiks teha teistmoodi. Kunstilises eksperimendis „Neurokoreograafiline eksperiment nr 4“ kasutati interaktiivset lahendust, kus neljale vaatajale kinnitatud sensorid mõõtsid nende erutuse taset (electrodermal activity galvanic skin response) improvisatsioonilise tantsuetenduse vältel Tallinnas, Kanuti Gildi SAALis 06.06.2019. Vaatajate reaktsioone kasutati reaalajas helikujunduse manipuleerimisel. Selline interaktiivne lahendus tekitas kunstiliselt intrigeeriva tagasiside-efekti, kus vaatajate tahtmatud reaktsioonid hakkasid mõjutama kogu lavastuse tervikut. Vaatajad said tahtmatult endale „hääle“, mida said interpreteerida kõik osalised kogu terviku kontekstis. Kunstilises eksperimendis „Macbeth“ kasutati erutust mõõtvaid sensoreid, salvestamaks näitleja reaktsioone intervjuu ajal, kus esitati küsimusi tema rolliloome kohta etenduses, mis oli lõppenud 10 minutit enne intervjuu algust. Tegemist oli Alo Kõrve Macbethi rolliga Tallinna Linnateatri lavastuses „Macbeth“. Prokurör Steven-Hristo Evestuse läbi viidud intervjuu eesmärgiks oli mõista, milliseid tehnikaid kasutab näitleja oma rolli luues, ning tehnoloogiat kasutades analüüsida, kas näitleja on teadlik laval tehtud otsustest. Heli- ja valgusinstallatsioon „Heartrate Party“ põhines kontseptsioonil, kus külastaja südamerütm mõjutas kogu installatsiooni heli- ja valguskujunduse tempot. Südamerütmi mõõdeti spetsiaalse sensoriga ja kasutatud videokujundus nii instrueeris osalejaid kui ka andis tagasisidet õnnestumisest või ebaõnnestumisest. Installatsioon oli avatud Tallinnas, Kanuti Gildi SAALi keldrisaalis 05.–07.06.2020 ja seda külastas 20 vaatajat. aasta esimeses pooles, kui COVID-19 pandeemia põhjustas eriolukorra kogu maailmas, ei tohtinud teatrid ja etendusasutused avalikke üritusi korraldada. Teatrid hakkasid oma etendusi andma voogedastust võimaldavatel platvormidel. Kuna voogteater avab etenduste mängimiseks palju uusi võimalusi, siis me analüüsime residentuuris kasutatud kontseptsioone ka voogteatri perspektiivist. Kõiki eelpool mainitud kontseptsioone oleks võimalik osaliselt kanda üle ka veebikeskkonda, kuid need eeldavad kasutajapoolset tehnoloogilist valmisolekut. Sensortehnoloogiad võimaldavad voogteatri etenduste vaatajate reaktsioone ja käitumist analüüsida ja salvestada. Kuna nende tehnoloogiate kasutus sellises kontekstis on veel uus, siis küsimused, mis puudutavad eetikat ja isikuandmeid, vajavad alles väljatöötamist. Kokkuvõttes väidame, et väga palju uurimistööd on alles ees ja meetodid, kuidas interpreteerida esinejatelt ja vaatajatelt kogutud andmeid, on alles vaja välja töötada. Tihti kasutatakse andmeid interaktsiooni eesmärgil pigem otseseid tõlgendusi luues – biosignaalide numbriline väärtus tõlgitakse otse mõneks audiovisuaalses kujunduses oluliseks väärtuseks. Selline tõlgendus annab küll laval toimuvale perfektse sünkrooni, kuid vastust jääb ootama oluline küsimus, mida need andmed väljendavad, mida nad tähendavad. Kunstis jääb tihti puudu teoreetilistest teadmistest, mis aitaksid intuitiivselt tehtud kunstilisi otsuseid raamistada. Selline teadmiste ülekandmine kunsti ja teaduse vahel avaks uusi võimalusi kunstiteoste interpreteerimisel, aga ka teaduse rikastamisel.


Healthcare ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 1729
Author(s):  
Eglė Mazgelytė ◽  
Virginija Rekienė ◽  
Edita Dereškevičiūtė ◽  
Tomas Petrėnas ◽  
Jurgita Songailienė ◽  
...  

Various relaxation techniques could benefit from merging with virtual reality (VR) technologies, as these technologies are easily applicable, involving, and user-friendly. To date, it is unclear which relaxation technique using biofeedback combined with VR technology is the most effective. The study aimed to compare the effectiveness of brief VR-based biofeedback-assisted relaxation techniques including electroencephalographic biofeedback, mindfulness-based biofeedback, galvanic skin response biofeedback, and respiratory biofeedback. Forty-three healthy volunteers (age 34.7 ± 7.2 years), comprising 28 (65%) women and 15 (35%) men, were enrolled in the study. All the participants were exposed to four distinct relaxation sessions according to a computer-generated random sequence. The efficacy of relaxation methods was evaluated by examining psychological, physiological, and biochemical stress indicators. All VR-based relaxation techniques reduced salivary steroid hormone (i.e., cortisol, cortisone, and total glucocorticoid) levels and increased galvanic skin response values. Similarly, all interventions led to a significantly reduced subjectively perceived psychological strain level. Three out of the four interventions (i.e., electroencephalographic, respiratory, and galvanic skin response-based biofeedback relaxation sessions) resulted in a decreased self-reported fatigue level. We suggest that newly developed VR-based relaxations techniques are potential tools for stress reduction and might be particularly suitable for individuals who are not capable of adhering to a strict and time-consuming stress management intervention schedule.


PLoS ONE ◽  
2021 ◽  
Vol 16 (12) ◽  
pp. e0260626
Author(s):  
Maria Volodina ◽  
Nikolai Smetanin ◽  
Mikhail Lebedev ◽  
Alexei Ossadtchi

Meditation is a consciousness state associated with specific physiological and neural correlates. Numerous investigations of these correlates reported controversial results which prevented a consistent depiction of the underlying neurophysiological processes. Here we investigated the dynamics of multiple neurophysiological indicators during a staged meditation session. We measured the physiological changes at rest and during the guided Taoist meditation in experienced meditators and naive subjects. We recorded EEG, respiration, galvanic skin response, and photoplethysmography. All subjects followed the same instructions split into 16 stages. In the experienced meditators group we identified two subgroups with different physiological markers dynamics. One subgroup showed several signs of general relaxation evident from the changes in heart rate variability, respiratory rate, and EEG rhythmic activity. The other subgroup exhibited mind concentration patterns primarily noticeable in the EEG recordings while no autonomic responses occurred. The duration and type of previous meditation experience or any baseline indicators we measured did not explain the segregation of the meditators into these two groups. These results suggest that two distinct meditation strategies could be used by experienced meditators, which partly explains the inconsistent results reported in the earlier studies evaluating meditation effects. Our findings are also relevant to the development of the high-end biofeedback systems.


2021 ◽  
Vol 48 (1) ◽  
Author(s):  
Hanan G. Azouz ◽  
Ali M. AbdelMohsen ◽  
Hayam M. Abdel Ghany ◽  
Rana M. Mohamed

Abstract Background Cerebral palsy (CP) is the most prevalent severe motor disability among children. The aim of this work was to assess autonomic dysfunction in children with cerebral palsy clinically and electrophysiologically. Results Age of the studied children ranged from 4 to 12 years. Quadriplegic type of spastic cerebral palsy constituted 82.5% of CP children while diplegic type constituted 17.5%. Based on Gross Motor Function Classification System (GMFCS), the majority of children were in levels 4 and 5. The prevalence of autonomic dysfunction symptoms were 80% for thermoregulatory abnormalities (cold extremities), 65% for chronic constipation, 52.5% for sleep disturbance, 47.5% for loss of appetite, 40% for sweating abnormalities, 25% for recurrent nausea and/or vomiting, 22.5% for increased sensitivity to light or dark and 15% for bloating. As regards sympathetic skin response, 19 CP children had unobtainable response in both upper and lower limbs while 5 children had unobtainable response in lower limbs only. All of them were in levels 4 and 5 of GMFCS. Postural hypotension was present in 20% of CP children. Mean Heart rate of CP children was significantly increased more than healthy children upon head tilt test. Conclusions Autonomic dysfunction has been objectively proven in CP children through absent sympathetic skin response, presence of orthostatic tachycardia and postural hypotension.


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