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Article . 2013
License: CC BY
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https://doi.org/10.1109/embc.2...
Article . 2013 . Peer-reviewed
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https://dx.doi.org/10.60692/97...
Other literature type . 2013
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https://dx.doi.org/10.60692/8d...
Other literature type . 2013
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Conference object . 2020
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Quantification of physiological disparities and task performance in stress and control conditions

القياس الكمي للتفاوتات الفسيولوجية وأداء المهام في ظروف الإجهاد والتحكم
Authors: Ahmad Rauf Subhani; Likun Xia; Aamir Saeed Malik; Zahiruddin Othman;

Quantification of physiological disparities and task performance in stress and control conditions

Abstract

Dans les études sur le stress mental, l'activation cérébrale et le système nerveux autonome sont nettement importants. Cette étude vise à analyser les disparités associées au potentiel du cuir chevelu, qui peuvent avoir un impact sur l'activation autonome du cœur pendant le stress mental. Dix sujets sains ont participé à cette étude qui a effectué des tâches arithmétiques dans un environnement de stress et de contrôle. La difficulté de la tâche a été calculée à partir de leurs réponses correctes. Au cours de l'expérience, des signaux d'électroencéphalogramme (EEG) et d'électrocardiogramme (ECG) ont été enregistrés simultanément. L'innervation sympathique du cœur a été estimée à partir de la fréquence cardiaque (FC), qui est extraite de l'ECG. La valeur de theta Fz/alpha Pz a été mesurée à partir du potentiel du cuir chevelu EEG. Les résultats montrent une augmentation significative de la valeur de theta Fz/alpha Pz dans le stress par rapport à la ligne de base (p< ;0,013) et au contrôle (p< ;0,042). Les résultats présentent également une tachycardie en situation de stress par rapport à la ligne de base (p< ;0,05). La difficulté de la tâche dans le stress est également considérablement plus élevée que l'environnement de contrôle (p< ;0,003).

En los estudios de estrés mental, la activación cerebral y el sistema nervioso autónomo son claramente importantes. Este estudio tiene como objetivo analizar las disparidades asociadas con el potencial del cuero cabelludo, que pueden tener un impacto en la activación autónoma del corazón durante el estrés mental. Diez sujetos sanos participaron en este estudio que realizó tareas aritméticas en ambiente de estrés y control. La dificultad de la tarea se calculó a partir de sus respuestas correctas. Durante el experimento, se registraron simultáneamente las señales de electroencefalograma (EEG) y electrocardiograma (ECG). La inervación simpática del corazón se estimó a partir de la frecuencia cardíaca (FC), que se extrae del ECG. El valor de theta Fz/alfa Pz se midió a partir del potencial del cuero cabelludo EEG. Los resultados muestran un aumento significativo en el valor de theta Fz/alfa Pz en estrés en comparación con el valor inicial (p<;0.013) y el control (p<;0.042). Los resultados también presentan taquicardia durante el estrés en comparación con el valor inicial (p<;0,05). La dificultad de la tarea en el estrés también es considerablemente mayor que el entorno de control (p<;0.003).

In mental stress studies, cerebral activation and autonomic nervous system are important distinctly. This study aims to analyze disparities associated with scalp potential, which may have impact on autonomic activation of heart during mental stress. Ten healthy subjects participated in this study that performed arithmetic tasks in stress and control environment. Task difficulty was calculated from their correct responses. During the experiment, electroencephalogram (EEG) and electrocardiogram (ECG) signals were recorded concurrently. Sympathetic innervation of heart was estimated from heart rate (HR), which is extracted from the ECG. The value of theta Fz/alpha Pz was measured from EEG scalp potential. The results show a significant surge in the value of theta Fz/alpha Pz in stress as compared to baseline (p<;0.013) and control (p<;0.042). The results also present tachycardia while in stress as compared to baseline (p<;0.05). Task difficulty in stress is also considerably higher than control environment (p<;0.003).

في دراسات الإجهاد العقلي، يعد التنشيط الدماغي والجهاز العصبي اللاإرادي مهمين بشكل واضح. تهدف هذه الدراسة إلى تحليل التفاوتات المرتبطة بإمكانية فروة الرأس، والتي قد يكون لها تأثير على التنشيط الذاتي للقلب أثناء الإجهاد العقلي. شارك عشرة أشخاص أصحاء في هذه الدراسة قاموا بمهام حسابية في بيئة التوتر والتحكم. تم حساب صعوبة المهمة من إجاباتهم الصحيحة. خلال التجربة، تم تسجيل إشارات مخطط كهربية الدماغ (EEG) ومخطط كهربية القلب (ECG) في وقت واحد. تم تقدير التعصيب الودي للقلب من معدل ضربات القلب (HR)، والذي يتم استخراجه من مخطط كهربية القلب. تم قياس قيمة ثيتا Fz/ألفا Pz من إمكانات فروة الرأس EEG. تظهر النتائج ارتفاعًا كبيرًا في قيمة ثيتا Fz/ألفا Pz في الإجهاد مقارنة بخط الأساس (p<؛0.013) والتحكم (p<؛0.042). تظهر النتائج أيضًا عدم انتظام دقات القلب أثناء الإجهاد مقارنة بخط الأساس (p<؛0.05). صعوبة المهمة في الإجهاد هي أيضا أعلى بكثير من بيئة التحكم (p<؛0.003).

Country
Malaysia
Keywords

Male, 150, Stress (linguistics), Systems engineering, Task (project management), Electrocardiography, Engineering, Heart Rate, Tachycardia, Task Performance and Analysis, Psychology, Stress Marker, Internal medicine, Cortical Control, heart rate variability, Life Sciences, Neural Mechanisms of Cognitive Control and Decision Making, Electroencephalography, Audiology, Brain-Computer Interfaces in Neuroscience and Medicine, Healthy Volunteers, FOS: Philosophy, ethics and religion, FOS: Psychology, Analysis and Applications of Heart Rate Variability, mental stress, Blood pressure, Medicine, Cardiology and Cardiovascular Medicine, RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry, electroencephalography, Adult, Cognitive Neuroscience, Heart rate, Cardiology, Autonomic Nervous System, Young Adult, Stressor, Health Sciences, Humans, Autonomic nervous system, psychophysiology, Heart rate variability, Scalp, Linguistics, Philosophy, FOS: Languages and literature, Surgery, Stress, Psychological, Neuroscience

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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