The mechanism of the motor problem in children with autism spectrum disorder (ASD) in handwriting has been investigated in the following three aspects, including collecting dynamic handwriting performance, exploring the related underlying factors, and investigating corresponding brain activities. This study aimed to investigate the underlying factor of handwriting issue in children with ASD. There are four study aims. The first is to examine the differences of handwriting performance between children with ASD and TD using kinetic and kinematic measurements and handwriting difficulties questionnaires. The second is to investigate the group difference of the underlying motor factors, including fine motor ability and sensorimotor ability. The third is to explore the relationship between underlying motor factors and handwriting performance. The fourth is to explore the corresponding cortical activity during writing in children.
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Force-acquisition pen (FAP) system
Timeframe: baseline
Pinch-Holding-Up Activity (PHUA) test
Timeframe: baseline
Movement Assessment Battery for Children Second Edition (MABC-2)
Timeframe: baseline
Chinese Handwriting Evaluation Form (CHEF)
Timeframe: baseline