The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task

Research output: Contribution to conferencePoster

Abstract

Background: Atypical movement patterns in autism spectrum disorders (ASD) have been reported. Compared with typical developing (TD) children, children with ASD took more time to complete a point-to-point movement (Dowd et al., 2012), but adults with ASD performed faster horizontal arm swings than their typical counterparts (Cook et al., 2013). Incongruent kinematic results are common in the literature, which may imply that the kinematic features in ASD are task-dependent, but this is yet not well understood. Smart tablet gameplay has been proposed as a new paradigm to measure the movement features of ASD in young children (Anzulewicz et al., 2016). In this study, smart tablet games were employed to test for kinematic differences in autism, and the effect of the task.
Objectives: The study aims to compute the swipe kinematics during smart tablet gameplay, and to compare these characteristic movements between ASD and TD children within different gameplay contexts.
Methods: 37 ASD children (mean age: 4.5 years) and 45 age-matched TD children were recruited in the study. The children were shown two smart tablet games: "sharing" and "creativity" games. In the sharing game, the children were tasked to share the food pieces to four characters; in the creativity game, the children were tasked to select an object, trace the lines, and colour the object. Their touch trajectories on the smart tablet (iPad mini, Apple Inc.) were recorded during gameplay. The food-to-target swipes in the sharing game and the swipe gestures in the creativity game were identified using a customized MATLAB script. The travelled distance, duration, and speed of each swipe were calculated. For the sharing game, the difference between the travelled distance and the optimal distance (i.e. the straight line) was also calculated. Mann-Whitney U tests were used to determine kinematic differences between ASD and TD groups.
Results: A total of 4785 food-to-target swipes were identified in the sharing game (ASD: 1585 swipes; TD: 3200 swipes) while 6178 swipes were identified in the creativity game (ASD: 2793 swipes; TD: 3385 swipes). Significant differences between ASD and TD were observed in the sharing game that ASD demonstrated slower food-to-target swipes than TD (median of 50.12 mm/s vs. 58.84 mm/s), and that they deviated from the optimal distance more than TD (median of 3.9 mm vs. 2.59 mm). There was no significant difference in the optimal distance. By contrast, ASD showed significantly faster gestures than TD (median of 81.77 mm/s vs. 60 mm/s) in the creativity game.
Conclusions: The study compared the swipe kinematics between ASD and TD children in two smart tablet gameplay contexts. ASD demonstrated slower movement than TD in a goal-oriented food-to-target task, deviating more from the optimal trajectory. In contrast, ASD performed faster swipe gestures than TD in a relatively unconstrained creativity game. These data are the foundations to allow an understanding of how movement is controlled in autism within different contexts. Further, characterising movement features in ASD during smart tablet gameplay supports the development of algorithms that enable the early identification of ASD in serious game paradigms.

Conference

ConferenceInternational Society for Autism Research Annual Meeting
CountryCanada
CityMontreal
Period1/05/194/05/19
Internet address

Fingerprint

autism
creativity
food
paradigm

Keywords

  • autism spectrum disorders
  • ASD
  • smart gameplay
  • swipe kinematics

Cite this

Lu, S-C., Rowe, P., Tachtatzis, C., Andonovic, I., Anzulewicz, A., Sobota, K., & Delafield-Butt, J. (2019). The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task. Poster session presented at International Society for Autism Research Annual Meeting, Montreal, Canada.
@conference{76b3feeea7a54677afee52048b667835,
title = "The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task",
abstract = "Background: Atypical movement patterns in autism spectrum disorders (ASD) have been reported. Compared with typical developing (TD) children, children with ASD took more time to complete a point-to-point movement (Dowd et al., 2012), but adults with ASD performed faster horizontal arm swings than their typical counterparts (Cook et al., 2013). Incongruent kinematic results are common in the literature, which may imply that the kinematic features in ASD are task-dependent, but this is yet not well understood. Smart tablet gameplay has been proposed as a new paradigm to measure the movement features of ASD in young children (Anzulewicz et al., 2016). In this study, smart tablet games were employed to test for kinematic differences in autism, and the effect of the task. Objectives: The study aims to compute the swipe kinematics during smart tablet gameplay, and to compare these characteristic movements between ASD and TD children within different gameplay contexts. Methods: 37 ASD children (mean age: 4.5 years) and 45 age-matched TD children were recruited in the study. The children were shown two smart tablet games: {"}sharing{"} and {"}creativity{"} games. In the sharing game, the children were tasked to share the food pieces to four characters; in the creativity game, the children were tasked to select an object, trace the lines, and colour the object. Their touch trajectories on the smart tablet (iPad mini, Apple Inc.) were recorded during gameplay. The food-to-target swipes in the sharing game and the swipe gestures in the creativity game were identified using a customized MATLAB script. The travelled distance, duration, and speed of each swipe were calculated. For the sharing game, the difference between the travelled distance and the optimal distance (i.e. the straight line) was also calculated. Mann-Whitney U tests were used to determine kinematic differences between ASD and TD groups. Results: A total of 4785 food-to-target swipes were identified in the sharing game (ASD: 1585 swipes; TD: 3200 swipes) while 6178 swipes were identified in the creativity game (ASD: 2793 swipes; TD: 3385 swipes). Significant differences between ASD and TD were observed in the sharing game that ASD demonstrated slower food-to-target swipes than TD (median of 50.12 mm/s vs. 58.84 mm/s), and that they deviated from the optimal distance more than TD (median of 3.9 mm vs. 2.59 mm). There was no significant difference in the optimal distance. By contrast, ASD showed significantly faster gestures than TD (median of 81.77 mm/s vs. 60 mm/s) in the creativity game. Conclusions: The study compared the swipe kinematics between ASD and TD children in two smart tablet gameplay contexts. ASD demonstrated slower movement than TD in a goal-oriented food-to-target task, deviating more from the optimal trajectory. In contrast, ASD performed faster swipe gestures than TD in a relatively unconstrained creativity game. These data are the foundations to allow an understanding of how movement is controlled in autism within different contexts. Further, characterising movement features in ASD during smart tablet gameplay supports the development of algorithms that enable the early identification of ASD in serious game paradigms.",
keywords = "autism spectrum disorders, ASD, smart gameplay, swipe kinematics",
author = "Szu-Ching Lu and Philip Rowe and Christos Tachtatzis and Ivan Andonovic and Anna Anzulewicz and Krzysiek Sobota and Jonathan Delafield-Butt",
year = "2019",
month = "5",
day = "1",
language = "English",
note = "International Society for Autism Research Annual Meeting ; Conference date: 01-05-2019 Through 04-05-2019",
url = "https://www.autism-insar.org/page/Schedule",

}

Lu, S-C, Rowe, P, Tachtatzis, C, Andonovic, I, Anzulewicz, A, Sobota, K & Delafield-Butt, J 2019, 'The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task' International Society for Autism Research Annual Meeting, Montreal, Canada, 1/05/19 - 4/05/19, .

The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task. / Lu, Szu-Ching; Rowe, Philip; Tachtatzis, Christos; Andonovic, Ivan; Anzulewicz, Anna; Sobota, Krzysiek; Delafield-Butt, Jonathan.

2019. Poster session presented at International Society for Autism Research Annual Meeting, Montreal, Canada.

Research output: Contribution to conferencePoster

TY - CONF

T1 - The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task

AU - Lu, Szu-Ching

AU - Rowe, Philip

AU - Tachtatzis, Christos

AU - Andonovic, Ivan

AU - Anzulewicz, Anna

AU - Sobota, Krzysiek

AU - Delafield-Butt, Jonathan

PY - 2019/5/1

Y1 - 2019/5/1

N2 - Background: Atypical movement patterns in autism spectrum disorders (ASD) have been reported. Compared with typical developing (TD) children, children with ASD took more time to complete a point-to-point movement (Dowd et al., 2012), but adults with ASD performed faster horizontal arm swings than their typical counterparts (Cook et al., 2013). Incongruent kinematic results are common in the literature, which may imply that the kinematic features in ASD are task-dependent, but this is yet not well understood. Smart tablet gameplay has been proposed as a new paradigm to measure the movement features of ASD in young children (Anzulewicz et al., 2016). In this study, smart tablet games were employed to test for kinematic differences in autism, and the effect of the task. Objectives: The study aims to compute the swipe kinematics during smart tablet gameplay, and to compare these characteristic movements between ASD and TD children within different gameplay contexts. Methods: 37 ASD children (mean age: 4.5 years) and 45 age-matched TD children were recruited in the study. The children were shown two smart tablet games: "sharing" and "creativity" games. In the sharing game, the children were tasked to share the food pieces to four characters; in the creativity game, the children were tasked to select an object, trace the lines, and colour the object. Their touch trajectories on the smart tablet (iPad mini, Apple Inc.) were recorded during gameplay. The food-to-target swipes in the sharing game and the swipe gestures in the creativity game were identified using a customized MATLAB script. The travelled distance, duration, and speed of each swipe were calculated. For the sharing game, the difference between the travelled distance and the optimal distance (i.e. the straight line) was also calculated. Mann-Whitney U tests were used to determine kinematic differences between ASD and TD groups. Results: A total of 4785 food-to-target swipes were identified in the sharing game (ASD: 1585 swipes; TD: 3200 swipes) while 6178 swipes were identified in the creativity game (ASD: 2793 swipes; TD: 3385 swipes). Significant differences between ASD and TD were observed in the sharing game that ASD demonstrated slower food-to-target swipes than TD (median of 50.12 mm/s vs. 58.84 mm/s), and that they deviated from the optimal distance more than TD (median of 3.9 mm vs. 2.59 mm). There was no significant difference in the optimal distance. By contrast, ASD showed significantly faster gestures than TD (median of 81.77 mm/s vs. 60 mm/s) in the creativity game. Conclusions: The study compared the swipe kinematics between ASD and TD children in two smart tablet gameplay contexts. ASD demonstrated slower movement than TD in a goal-oriented food-to-target task, deviating more from the optimal trajectory. In contrast, ASD performed faster swipe gestures than TD in a relatively unconstrained creativity game. These data are the foundations to allow an understanding of how movement is controlled in autism within different contexts. Further, characterising movement features in ASD during smart tablet gameplay supports the development of algorithms that enable the early identification of ASD in serious game paradigms.

AB - Background: Atypical movement patterns in autism spectrum disorders (ASD) have been reported. Compared with typical developing (TD) children, children with ASD took more time to complete a point-to-point movement (Dowd et al., 2012), but adults with ASD performed faster horizontal arm swings than their typical counterparts (Cook et al., 2013). Incongruent kinematic results are common in the literature, which may imply that the kinematic features in ASD are task-dependent, but this is yet not well understood. Smart tablet gameplay has been proposed as a new paradigm to measure the movement features of ASD in young children (Anzulewicz et al., 2016). In this study, smart tablet games were employed to test for kinematic differences in autism, and the effect of the task. Objectives: The study aims to compute the swipe kinematics during smart tablet gameplay, and to compare these characteristic movements between ASD and TD children within different gameplay contexts. Methods: 37 ASD children (mean age: 4.5 years) and 45 age-matched TD children were recruited in the study. The children were shown two smart tablet games: "sharing" and "creativity" games. In the sharing game, the children were tasked to share the food pieces to four characters; in the creativity game, the children were tasked to select an object, trace the lines, and colour the object. Their touch trajectories on the smart tablet (iPad mini, Apple Inc.) were recorded during gameplay. The food-to-target swipes in the sharing game and the swipe gestures in the creativity game were identified using a customized MATLAB script. The travelled distance, duration, and speed of each swipe were calculated. For the sharing game, the difference between the travelled distance and the optimal distance (i.e. the straight line) was also calculated. Mann-Whitney U tests were used to determine kinematic differences between ASD and TD groups. Results: A total of 4785 food-to-target swipes were identified in the sharing game (ASD: 1585 swipes; TD: 3200 swipes) while 6178 swipes were identified in the creativity game (ASD: 2793 swipes; TD: 3385 swipes). Significant differences between ASD and TD were observed in the sharing game that ASD demonstrated slower food-to-target swipes than TD (median of 50.12 mm/s vs. 58.84 mm/s), and that they deviated from the optimal distance more than TD (median of 3.9 mm vs. 2.59 mm). There was no significant difference in the optimal distance. By contrast, ASD showed significantly faster gestures than TD (median of 81.77 mm/s vs. 60 mm/s) in the creativity game. Conclusions: The study compared the swipe kinematics between ASD and TD children in two smart tablet gameplay contexts. ASD demonstrated slower movement than TD in a goal-oriented food-to-target task, deviating more from the optimal trajectory. In contrast, ASD performed faster swipe gestures than TD in a relatively unconstrained creativity game. These data are the foundations to allow an understanding of how movement is controlled in autism within different contexts. Further, characterising movement features in ASD during smart tablet gameplay supports the development of algorithms that enable the early identification of ASD in serious game paradigms.

KW - autism spectrum disorders

KW - ASD

KW - smart gameplay

KW - swipe kinematics

UR - https://insar.confex.com/insar/2019/webprogram/Paper29493.html

M3 - Poster

ER -

Lu S-C, Rowe P, Tachtatzis C, Andonovic I, Anzulewicz A, Sobota K et al. The movements of children with autism can be faster or slower than their typically developing counterparts, depending on the task. 2019. Poster session presented at International Society for Autism Research Annual Meeting, Montreal, Canada.