Identifying On-road Scenarios Predictive of ADHD usingDriving Simulator Time Series Data

• URL: http://arxiv.org/abs/2111.06774v1
• Date: Fri, 12 Nov 2021 15:36:53 GMT
• Title: Identifying On-road Scenarios Predictive of ADHD usingDriving Simulator Time Series Data
• Authors: David Grethlein, Aleksanteri Sladek, Santiago Onta\~n\'on
• Abstract summary: We introduce a novel algorithm to automatically identify sub-intervals of time series that are predictive of a target task. Using data collected from a driving simulator study, we identify which spatial regions along the simulated routes tend to manifest driving behaviors that are predictive of the presence of Attention Deficit Hyperactivity Disorder (ADHD) Our experimental results show both improved over prior efforts (+10% accuracy) and good alignment between the sections identified and scripted on-road scenarios.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper we introduce a novel algorithm called Iterative Section Reduction (ISR) to automatically identify sub-intervals of spatiotemporal time series that are predictive of a target classification task. Specifically, using data collected from a driving simulator study, we identify which spatial regions (dubbed "sections") along the simulated routes tend to manifest driving behaviors that are predictive of the presence of Attention Deficit Hyperactivity Disorder (ADHD). Identifying these sections is important for two main reasons: (1) to improve predictive accuracy of the trained models by filtering out non-predictive time series sub-intervals, and (2) to gain insights into which on-road scenarios (dubbed events) elicit distinctly different driving behaviors from patients undergoing treatment for ADHD versus those that are not. Our experimental results show both improved performance over prior efforts (+10% accuracy) and good alignment between the predictive sections identified and scripted on-road events in the simulator (negotiating turns and curves).

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