scholarly journals Effect of Two Lane Non-Urban Highway Geometry on Workload Profile of Drivers

2021 ◽  
Author(s):  
Jisha Akkara ◽  
Anitha Jacob ◽  
Subaida E A ◽  
Dona Joy ◽  
Sreelakshmi K S
Keyword(s):  
Heart Rate ◽  
Galvanic Skin Response ◽  
Safety Evaluation ◽  
Real Field ◽  
Radius Of Curvature ◽  
Safe Driving ◽  
Sight Distance ◽  
Skin Response ◽  
Driver Workload ◽  
The Government

Transportation engineers play an important role to achieve zero- crash vision of the Government. The onus for occurrence of road crashes at under-designed and poorly constructed roads lies on the shoulders of transportation engineers. To ensure safe and comfortable driving, it is essential and necessary to evaluate the geometric design of roads, especially highways, from the perspective of the vehicle drivers. If the road is of consistent design, the driver can achieve smooth and safe driving. Inconsistent design of roads can confuse a driver and it may lead to unnecessary speed changes and even may result in unfavourable level of crashes. This paper attempts to study how the highway geometry affects the driver workload at horizontal curves and curves with gradient on two lane non-urban highways. The driver workload is assessed by measuring variations in physiological conditions of subject driver while driving in a test car under real field conditions. Heart rate (HR) and galvanic skin response (GSR) of drivers are continuously recorded using sensors attached to the driver’s ear and fingers respectively to develop a continuous profile of driver workload at varying highway geometry. The variations in heart rate from tangent sections to succeeding curve sections are determined to understand the effect of curve geometry on heart rate. The geometrical data such as radius of curvature, superelevation, sight distance, gradient and tangent length are collected from the selected study stretches. The study revealed that the inconsistent design of roads leads to large variations in heart rate and galvanic skin response. Consequently, crash frequency is found to be higher at such locations. The outcome of the study will help highway designers to design safer roads. The outcome of the study throws light on safety evaluation of highway geometry and will be helpful in developing tools and guidelines for designing safer roads.

scholarly journals IDENTIFYING THE MENTAL STATUS OF BEDRIDDEN ELDERLY BY THE BODY TEMPERATURE, HEART RATE, AND SKIN CONDUCTIVITY USING AN ARDUINO SENSOR MODULE

2021 ◽  
Vol 5 (12) ◽  
Author(s):  
W.B.P.N. Herath ◽  
R.A.K.I. Ranasinghe ◽  
M.P.C. Sandaru ◽  
I.A.S. Lakmali ◽  
A.G.N.K. Aluthgama ◽  
...  
Keyword(s):  
Heart Rate ◽  
Body Temperature ◽  
Galvanic Skin Response ◽  
Emotional State ◽  
The Body ◽  
Blood Capillary ◽  
Sensor Module ◽  
Skin Response ◽  
Skin Conductivity ◽  
The Relationship

Addressing the emotional and mental health of the bedridden elderly is necessary as they are more likely to be depressed being isolated and dependent on a caregiver for a prolonged time. Several studies have been carried out to identify the mental stress of patients through their skin conductivity. The variations in the sympathetic nervous system reflect the emotional state of a person. This is demonstrated by the Galvanic Skin Response and thus can be used as a denotation of psychological or physiological arousal. Such arousal causes the blood capillary dilation, increment of sweat gland activities making the skin further conductive to electricity. In this study we develop a sensor module composed of a Galvanic Skin Response sensor for the bed ridden elderly and identify the relationship between body temperature, heart rate and GSR of them. The experiment is conducted upon 10 bed ridden elderly aged from 60 – 80 years of the Mihinthale region. The observations demonstrate a correlation between the heart rate, body temperature, skin conductivity and the human physiological states.

Are Loot Boxes Addictive? Analyzing Participant’s Physiological Arousal While Opening a Loot Box

2019 ◽  
pp. 155541201989535 ◽  
Author(s):  
Andrew Brady ◽  
Garry Prentice
Keyword(s):  
Heart Rate ◽  
Video Games ◽  
Adult Male ◽  
Negative Correlation ◽  
Galvanic Skin Response ◽  
Physiological Arousal ◽  
Design Experiment ◽  
Gaming Addiction ◽  
Levels Of Use ◽  
Skin Response

Loot boxes in video games have blurred the lines between gaming and gambling. Research suggests the thrill from gambling comes from associated increases in physiological arousal not possible monetary gains. Gamers performing microtransactions to purchase loot boxes can lead to similar increases in physiological arousal. However, problematic gamblers no longer receive increases in arousal and become hyposensitive to reward. This hyposensitivity may also be present in problematic gamers. Twenty-five adult male participants took part in the within-participant design experiment measuring heart rate (HR) and galvanic skin response (GSR) while they were gaming and performing a microtransaction. GSR increased from baseline. HR decreased while performing a microtransaction. There was a negative correlation between gaming addiction scores and participants’ physiological arousal. The increases in arousal suggest microtransactions in gaming could potentially lead to problematic levels of use, while hyposensitivity could explain the higher gaming addiction relating to lower arousal during gameplay.

scholarly journals Wearables and the Quantified Self: Systematic Benchmarking of Physiological Sensors

Sensors ◽  
2019 ◽  
Vol 19 (20) ◽  
pp. 4448 ◽  
Author(s):  
Günther Sagl ◽  
Bernd Resch ◽  
Andreas Petutschnig ◽  
Kalliopi Kyriakou ◽  
Michael Liedlgruber ◽  
...  
Keyword(s):  
Heart Rate ◽  
Galvanic Skin Response ◽  
Low Cost ◽  
Wearable Sensors ◽  
Sensor Data ◽  
Quantified Self ◽  
High Quality ◽  
Laboratory Equipment ◽  
Skin Response ◽  
Physiological Sensors

Wearable sensors are increasingly used in research, as well as for personal and private purposes. A variety of scientific studies are based on physiological measurements from such rather low-cost wearables. That said, how accurate are such measurements compared to measurements from well-calibrated, high-quality laboratory equipment used in psychological and medical research? The answer to this question, undoubtedly impacts the reliability of a study’s results. In this paper, we demonstrate an approach to quantify the accuracy of low-cost wearables in comparison to high-quality laboratory sensors. We therefore developed a benchmark framework for physiological sensors that covers the entire workflow from sensor data acquisition to the computation and interpretation of diverse correlation and similarity metrics. We evaluated this framework based on a study with 18 participants. Each participant was equipped with one high-quality laboratory sensor and two wearables. These three sensors simultaneously measured the physiological parameters such as heart rate and galvanic skin response, while the participant was cycling on an ergometer following a predefined routine. The results of our benchmarking show that cardiovascular parameters (heart rate, inter-beat interval, heart rate variability) yield very high correlations and similarities. Measurement of galvanic skin response, which is a more delicate undertaking, resulted in lower, but still reasonable correlations and similarities. We conclude that the benchmarked wearables provide physiological measurements such as heart rate and inter-beat interval with an accuracy close to that of the professional high-end sensor, but the accuracy varies more for other parameters, such as galvanic skin response.

Assessment of Autonomic Responses to Different Driving and Road Conditions

2000 ◽  
Vol 44 (37) ◽  
pp. 679-679
Author(s):  
Byung-Chan Min ◽  
Soon-Cheol Chung ◽  
Sang-Gyun Kim ◽  
Byung-Woon Min ◽  
Chul-Jung Kim ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Skin Temperature ◽  
Galvanic Skin Response ◽  
Physiological Responses ◽  
Mean Value ◽  
Autonomic Responses ◽  
Skin Response ◽  
Curved Road

The purpose of this study was to compare changes in autonomic responses due to different driving and road conditions. We measured physiological responses of the 10 health subjects such as Heart Rate Variability (HRV), Galvanic Skin Response (GSR) and skin temperature in rest and stimulation conditions. The ratio of LF/HF significantly increased and averaged R-R interval decreased on the abrupt stopping and starting and abruptly curved road conditions, compared to other conditions. Mean value of GSR increased and mean value of skin temperature decreased in the abrupt stopping and starting and abruptly curved road conditions, compared to other conditions.

Analysis of Human Emotions Using Galvanic Skin Response and Finger Tip Temperature

2012 ◽  
pp. 792-802
Author(s):  
G. Shivakumar ◽  
P. A. Vijaya
Keyword(s):  
Heart Rate ◽  
Galvanic Skin Response ◽  
Skin Resistance ◽  
Test Body ◽  
Physiological Parameters ◽  
The Body ◽  
Generalized System ◽  
Skin Response ◽  
Internal And External Factors ◽  
Finger Tip

Emotion is the excited mental state of a person caused by internal and external factors. In this work, a person’s physiological parameters are measured to decide emotional status. A generalized system measures changes occurring in the body of a subject, such as heart rate, blood pressure, respiratory rate, electro-dermal (Galvanic skin resistance) activity, and arm and leg motions. These measurements are then compared with the normal levels of the subject. The present work monitors the physiological parameters by connecting sensors at specific points on a test body. Two physiological parameters are considered: galvanic skin response (GSR) and finger tip temperature (FTT). The heart rate is predominant in deciding the emotion of a person. This system, in conjunction with a certified examiner, is used to analyze a subject’s stress. A system is constructed that measures physiological parameters along with signal conditioning units. These measurements are transmitted to a LabVIEW add-on card for further data processing and analysis. LabVIEW is a graphical programming language that includes all tools necessary for data acquisition, data analysis, and presentation of results. The results obtained are realistic and provide a measure of accuracy.

Psychomotor Efficiency in Golf: The Role of Physiological Responses on Putting Performance

Biofeedback ◽  
2021 ◽  
Vol 49 (3) ◽  
pp. 77-80
Author(s):  
Edson Filho ◽  
André Aroni ◽  
Guilherme Bagni ◽  
Jean Rettig ◽  
Jodie Ellis
Keyword(s):  
Heart Rate ◽  
Respiration Rate ◽  
Galvanic Skin Response ◽  
Performance Enhancement ◽  
Physiological Responses ◽  
High Achievers ◽  
Optimal Functioning ◽  
Skin Response ◽  
Psychomotor Efficiency ◽  
The Individual

Putting is paramount to performance in golf and differentiates low and high achievers in the sport. In the present study, we compared the heart rate, respiration rate, and galvanic skin response for missed and holed putts performed by 13 skilled male golfers from a 12-ft (3.65-m) distance. Contrary to our expectations, no significant effects were observed for heart rate and respiration rate, likely because skilled athletes (a) engage in preperformance routines and are able to control their breathing rhythms, which in turn influence their heart rate; and (b) physiological responses are idiosyncratic, akin to the Individual Zones of Optimal Functioning framework. Congruent with our expectations, we observed a significant effect for galvanic skin response, with higher values observed for missed putts. This effect was robust to individual differences and suggests that biofeedback interventions aimed at enhancing awareness of autonomous physiological responses can be beneficial for performance enhancement in golf putting.

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