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論文名稱(外文):The Effect of Real-Time Interactive Game for Patients with Visual Spatial Neglect
指導教授(外文):Kuo-Sheng ChengMing-Chyi Pai
外文關鍵詞:NeglectAnosognosiaRehabilitationSelf-imageVisual feedbackGame
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Visual spatial neglect is a neurological syndrome characterized by a lack of awareness and explorative behaviors toward the patients’ contralesional hemispace. It is a multicomponent disorder that is often combined with hemiplegia and anosognosia. Therefore, this multicomponent disorder should be treated with multiple therapies. The purpose of this study was to develop a real-time interactive training system to rehabilitate patients with visual spatial neglect. Two cases of left visual spatial neglect and one normal case were included. The patients were trained 18 times over 8 weeks, and the results were compared to those of the normal subject who received 10 training sessions. The interactive software uses an image processing algorithm to separate the body image of the patient from a background image, thus revealing only the patient’s image on the screen. The patient sees their image, which increases visual feedback and enhances the integrity of their sensory inputs. Therefore, this therapy decreases the severity of anosognosia, allowing the patient to reconstruct their spatial representation. The hand gesture recognition technique allows the patient to interact with the application. This software combines concepts from different therapies to reconstruct brain neurons. The results showed that patients improved attention ability, Star Cancellation, Line Bisection, and Mini Mental State Examination test scores, but no improvements on the Line Cancellation Test was observed. This software helped the patients free themselves from the symptoms of visual neglect and may be a beneficial therapeutic technique.
摘要 I
Abstract III
Acknowledgement V
List of Tables IX
List of Figures X
Chapter 1 Introduction 1
1.1 Neglect syndrome 1
1.2 The classification of Neglect syndrome 2
1.2.1 Personal space 3
1.2.2 Peripersonal space 3
1.2.3 Extrapersonal space 3
1.3 The complication of Neglect syndrome 4
1.3.1 Anosognosia 4
1.4 The rehabilitation of neglect 5
1.4.1 Visual scanning training 5
1.4.2 Limb activation 5
1.4.3 Feedback training 5
1.4.4 Sustained attention training 6
1.4.5 Computerized therapy 7
1.5 Motivation and the aims of this study 9
Chapter 2 Materials and Methods 11
2.1 Experimental design 11
2.2 Participants 12
2.3 Assessment 12
2.3.1 Experiment 12
2.3.2 Tests 13
Chapter 3 System design 14
3.1 System architecture 14
3.2 Camera module 15
3.2.1 Background subtraction 15
3.2.2 Otsu thresholding 16
3.3 Detection Module 17
3.3.1 Finding the skin 18
3.3.2 Palm contour determination 18
3.3.3 Determining simple hand gesture (open or close palm) 19
3.4 Application 20
3.4.1 The finite state machine (standard operating procedure) 21
Chapter 4 Results 24
4.1 Test 24
4.2 Experiment 25
4.3 Case results 28
4.3.1 Patient 1: WSW 28
4.3.2 Patient 2: WCSL 32
4.3.3 Control: LCH 35
Chapter 5 Discussion 37
5.1 Test results 37
5.2 Experimental results 38
5.2.1 Hand reaction time 38
5.2.2 Distraction rate 39
5.3 Game design 40
5.4 Patients 41
5.5 Limitations of the experiment 41
Chapter 6 Conclusion and Prospects 43
References 44
Human study approval 48

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