Speed and accuracy of motor and cognitive control in children with intellectual disabilities

Hirata, Satoshi; Okuzumi, Hideyuki; Kitajima, Yoshio; Hosobuchi, Tomio; Kokubun, Mitsuru

doi:10.1179/2047387712y.0000000010

Cited by 6 publications

(18 citation statements)

References 30 publications

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“…In these tasks, the timing between the stimuli and the tapping is measured. There is no observation of the process of the tapping [4,5,6,7,8,9,10].…”

Section: Introductionmentioning

confidence: 99%

Mental Fatigue Measurement using Visual Synchronization Tasks

Aoki

2017

Proceedings of the 6th International Conference on Bioinformatics and Biomedical Science

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There are peg-board test and tap synchronization test as a method to measure the motion control function. These tests measure only the result of motion, and do not the process. By measuring the whole process from the beginning to the end of a test, it is possible to obtain data that are more detailed. The through measurement of a motion process enables to measure the precise performance of the motor control function. This paper discusses visual synchronization task to measure the performance of our brain using periodic motion of both hands for estimating the mental fatigue caused from a mental workload. A visual synchronization task requests a subject to flip the palms of both hands synchronizing the displayed hands' motion. The method measures the poses of both perms through the task. From the measurements in the process of this task, the method evaluates the performance of the motion control function of the subject. This paper discusses the descriptive power of the visual synchronization task to estimate the mental fatigue. The visual synchronization task is safe, because there is no need to attach the device to a subject nor to make gross motions. The task is short to complete. This paper presents the experiments and evaluates the descriptive power of the visual synchronization task to measure mental fatigue.

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“…In these tasks, the timing between the stimuli and the tapping is measured. There is no observation of the process of the tapping [4,5,6,7,8,9,10].…”

Section: Introductionmentioning

confidence: 99%

Mental Fatigue Measurement using Visual Synchronization Tasks

Aoki

2017

Proceedings of the 6th International Conference on Bioinformatics and Biomedical Science

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“…Thus, when the motor control of children with ID is evaluated, not only motor speed but also motor accuracy is important. Based on this, Hirata et al [8] investigated the speed and accuracy of fine motor control in children with ID, and attempted to classify the features of their motor control. They were able to classify children with ID into four groups: fast and accurate, fast and inaccurate (speed domination), slow and accurate (accuracy domination), and slow and inaccurate.…”

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confidence: 99%

“…In their most recent study, Hirata et al [9] have taken some important steps toward understanding the motor-cognitive control link in children with ID. They drew attention to the similarity between features of fine motor control in children with ID and features of some types of cognitive control, such as 'impulsivityreflection'.…”

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confidence: 99%

“…According to these concepts, children who respond more rapidly and tend to make more errors are 'impulsive', while those who respond relatively slowly and tend to make fewer errors in problem-solving situations or cognitive control tasks are 'reflective' [10,11]. Hirata et al [9] considered 'impulsive' to correspond to the 'fast and inaccurate' group of children with ID, and 'reflective' to the 'slow and accurate'. To test this hypothesis, they investigated the relationship between motor and cognitive control of children with ID.…”

mentioning

confidence: 99%

“…To test this hypothesis, they investigated the relationship between motor and cognitive control of children with ID. The 3 tasks conducted by Hirata et al [9] were a seal affixation task [8], a tray-carrying task [7], and the Matching Familiar Figures Test (MFFT). The seal affixation task and tray-carrying task are motor control tasks for measuring the speed and accuracy of motor controls.…”

mentioning

confidence: 99%

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Discrepancy between Motor and Cognitive Control in Adults with Intellectual Disabilities

Hirata

Okuzumi

Kitajima

et al. 2014

J. Intellect. Disabl. Diagn. Treat.

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Purpose: To investigate the relationship between motor and cognitive control in adults with intellectual disabilities (ID), focusing on two aspects, speed and accuracy. Method: Participants were 62 adults with ID aged 20 to 47 years. Their intelligence quotients (IQ) ranged from 13 to 61. Nine of the adults with ID had Down syndrome, and 8 of the adults had autism. We conducted three tasks: seal affixation task, tray-carrying task, and the Matching Familiar Figures Test (MFFT). The seal affixation and tray-carrying tasks are motor tasks we devised that can separately measure the speed and accuracy of motor control. MFFT is a cognitive control task that can be used to evaluate cognitive styles, such as impulsive-reflective. Results: Adults with ID showed high motor accuracy and similar motor speed regardless of their MFFT performance. That is, discrepancies between motor and cognitive control existed in adults with ID. Conclusions: The results of this study indicate that some types of motor control problem may become unclear with growth. A longitudinal investigation focused on the motor skill development of persons with ID is therefore necessary.

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