scholarly journals How Long Should GPS Recording Lengths Be to Capture the Community Mobility of An Older Clinical Population? A Parkinson’s Example

Sensors ◽  
2022 ◽  
Vol 22 (2) ◽  
pp. 563
Author(s):  
Lynn Zhu ◽  
Patrick Boissy ◽  
Christian Duval ◽  
Guangyong Zou ◽  
Mandar Jog ◽  
...  

Wearable global position system (GPS) technology can help those working with older populations and people living with movement disorders monitor and maintain their mobility level. Health research using GPS often employs inconsistent recording lengths due to the lack of a standard minimum GPS recording length for a clinical context. Our work aimed to recommend a GPS recording length for an older clinical population. Over 14 days, 70 older adults with Parkinson’s disease wore the wireless inertial motion unit with GPS (WIMU-GPS) during waking hours to capture daily “time outside”, “trip count”, “hotspots count” and “area size travelled”. The longest recording length accounting for weekend and weekdays was ≥7 days of ≥800 daily minutes of data (14 participants with 156, 483.9 min recorded). We compared the error rate generated when using data based on recording lengths shorter than this sample. The smallest percentage errors were observed across all outcomes, except “hotspots count”, with daily recordings ≥500 min (8.3 h). Eight recording days will capture mobility variability throughout days of the week. This study adds empirical evidence to the sensor literature on the required minimum duration of GPS recording.

2010 ◽  
Vol 1 (1) ◽  
pp. 1 ◽  
Author(s):  
Pedro S. A. Wolf ◽  
W. Jake Jacobs

Animal behaviorists have made extensive use of GPS technology since 1991. In contrast, psychological research has made little use of the technology, even though the technology is relatively inexpensive, familiar, and widespread. Hence, its potential for pure and applied psychological research remains untapped. We describe three methods psychologists could apply to individual differences research, clinical research, or spatial use research. In the context of individual differences research, GPS technology permits us to test hypotheses predicting specific relations among patterns of spatial use and individual differences variables. In a clinical context, GPS technology provides outcome measures that may relate to the outcome of interventions designed to treat psychological disorders that, for example, may leave a person homebound (e.g. Agoraphobia, PTSD, TBI). Finally, GPS technology provides natural measures of spatial use. We, for example, used GPS technology to quantify traffic flow and exhibit use at the Arizona Sonora Desert Museum. Interested parties could easily extend this methodology some aspects of urban planning or business usage.  DOI:10.2458/azu_jmmss_v1i1_wolf


Sensors ◽  
2020 ◽  
Vol 20 (13) ◽  
pp. 3805
Author(s):  
Nicolas Kurpiers ◽  
Nicola Petrone ◽  
Matej Supej ◽  
Anna Wisser ◽  
Jakob Hansen ◽  
...  

Biomechanical studies of winter sports are challenging due to environmental conditions which cannot be mimicked in a laboratory. In this study, a methodological approach was developed merging 2D video recordings with sensor-based motion capture to investigate ski jump landings. A reference measurement was carried out in a laboratory, and subsequently, the method was exemplified in a field study by assessing the effect of a ski boot modification on landing kinematics. Landings of four expert skiers were filmed under field conditions in the jump plane, and full body kinematics were measured with an inertial motion unit (IMU) -based motion capture suit. This exemplary study revealed that the combination of video and IMU data is viable. However, only one skier was able to make use of the added boot flexibility, likely due to an extended training time with the modified boot. In this case, maximum knee flexion changed by 36° and maximum ankle flexion by 13°, whereas the other three skiers changed only marginally. The results confirm that 2D video merged with IMU data are suitable for jump analyses in winter sports, and that the modified boot will allow for alterations in landing technique provided that enough time for training is given.


Author(s):  
Pedro S. A. Wolf ◽  
W. Jake Jacobs

Animal behaviorists have made extensive use of GPS technology since 1991. In contrast, psychological research has made little use of the technology, even though the technology is relatively inexpensive, familiar, and widespread. Hence, its potential for pure and applied psychological research remains untapped. We describe three methods psychologists could apply to individual differences research, clinical research, or spatial use research. In the context of individual differences research, GPS technology permits us to test hypotheses predicting specific relations among patterns of spatial use and individual differences variables. In a clinical context, GPS technology provides outcome measures that may relate to the outcome of interventions designed to treat psychological disorders that, for example, may leave a person homebound (e.g. Agoraphobia, PTSD, TBI). Finally, GPS technology provides natural measures of spatial use. We, for example, used GPS technology to quantify traffic flow and exhibit use at the Arizona Sonora Desert Museum. Interested parties could easily extend this methodology some aspects of urban planning or business usage.  DOI:10.2458/azu_jmmss_v1i1_wolf


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Jinnie Ooi ◽  
John Michael ◽  
Sakari Lemola ◽  
Stephen Butterfill ◽  
Cynthia S. Q. Siew ◽  
...  

AbstractThis is the first study to demonstrate interpersonal difficulties associated with borderline personality disorder (BPD) features in the domain of social media. Using crowdsourcing, we presented participants with a battery of questions about their recent social media use, and then assessed their BPD features using the short form of the Five-Factor Borderline Inventory. The results revealed that individuals with higher BPD trait scores reported posting more often on social media, as well as a higher incidence of experiencing regret after posting on social media, and of deleting or editing their posts. They also report a higher degree of importance of social media in their social behavior and daily routines. These results highlight the pervasiveness of interpersonal difficulties associated with BPD features even in the non-clinical population, and demonstrate that these difficulties are also observable in social media behavior. Our findings may provide a starting point for research using data from social media to illuminate the cognitive and emotional processes underpinning the interpersonal difficulties associated with BPD features, and to inform and assess therapeutic interventions.


2014 ◽  
Vol 72 ◽  
pp. 208-213 ◽  
Author(s):  
Nicolai L. Mifsud ◽  
Nils H. Kristensen ◽  
Morten Villumsen ◽  
John Hansen ◽  
Uwe G. Kersting

2014 ◽  
Vol 39 (2) ◽  
pp. 171-185 ◽  
Author(s):  
G. John Geldhof ◽  
Steinunn Gestsdottir ◽  
Kristjan Stefansson ◽  
Sara K. Johnson ◽  
Edmond P. Bowers ◽  
...  

Intentional self-regulation (ISR) undergoes significant development across the life span. However, our understanding of ISR’s development and function remains incomplete, in part because the field’s conceptualization and measurement of ISR vary greatly. A key sample case involves how Baltes and colleagues’ Selection, Optimization, and Compensation (SOC) model of ISR, which was developed with adult populations, may be applied to understand and measure adolescent self-regulation. The tripartite structure of SOC identified in older populations has not been replicated in adolescent samples. This difference may be due to measurement issues. In this article, we addressed whether using a Likert-type format instead of a forced-choice format of the SOC Questionnaire resulted in a tripartite factor structure when used with an adolescent population. Using data from 578 late adolescents who participated in the 4-H Study of Positive Youth Development (70.80% female), we showed that the two versions of the measure produced a similar factor structure and were similar in terms of reliability and validity, although the traditional forced-choice version provided data with slightly lower criterion validity. We therefore conclude that both types of the measure are acceptable, but the choice of measure may depend on the sample in question and the analytical approach planned for the findings. We discuss the implications of our findings for future research.


2016 ◽  
Vol 32 (3) ◽  
pp. 311-330 ◽  
Author(s):  
Christina Policastro ◽  
Mary A. Finn

The most common perpetrators of physical violence against women of any age are their intimate partners. Although research on younger adults has recognized that intimate partner violence (IPV) is distinct in etiology, form, and consequence, whether the same is true for older adults has not been adequately studied. The extent and consequences of coercive controlling violence, IPV that involves physical violence coupled with psychological aggression and/or financial abuse, have not been examined in older populations. Using data from the National Elder Mistreatment Study, the current research examines if coercive control is more evident in physical violent victimizations of older adults (age 60 or older) when the perpetrator is an intimate partner compared with when the perpetrator is not an intimate partner. Findings indicate that older adults who experience emotional coercive control by intimate partners in their lifetime are more likely to experience physical abuse at age 60 or older. Furthermore, older adults who experienced trauma during their lifetime, were in poor health, and with less social support are more likely to experience physical abuse at age 60 or older. However, the victim’s sex had no significant influence on the likelihood of experiencing physical abuse.


2021 ◽  
Author(s):  
Meaghan Taylor

The purpose of this project is to investigate the effectiveness of how a mobile app integrating augmented reality and GPS technology can influence crowd behaviour in the themed entertainment industry. In partnership with Dr. Asgary, Associate Professor of Disaster & Emergency Management at York University and a member ADERSIM, the study was conducted on the AnyLogic Simulation system to measure how Disney characters can act as a crowd mitigation tool to influence crowd movements throughout the Magic Kingdom. Using data to represent park entrance rates, attraction duration, and wait times, the study was able to capture the level of influence Disney characters had on park guest’s movements throughout their visit. This simulation reveals that Disney characters have the ability to influence crowd behaviour with a probability rate of approximately 30%. This data supports the view that the proposed mobile app will act as an effective crowd mitigation tool and can strategically influence crowd migration throughout the Magic Kingdom.


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