Purpose: Recent electrophysiological studies have shown that the sensorymotor cortex is activated during both actual action excuted by themselves and observation of action performed by other persons. Observation of action based on mirror neuron system can be used as a cognitive intervention to promote motor learning. The purpose of this study was to investigate the brain activity changes during action observation and action execution using EEG. Methods: Thirty healthy volunteers participated and were requested to perform hand action and to observe the video of hand action performed by another person. The EEG activity was evaluated by a method which segregated the time-locked for each condition. To compare the differences between action observation and execution, the Mu suppression and the relative band power were analysed. Results: The results showed significant mu suppression during the action observation and execution, but the differences between the two conditions were not observed. The relative band power showed a significant difference during the action observation and execution, but there were no differences between the two conditions. Conclusion: These results indicate that action execution and observation involve overlapping neural networks in the sensorymotor cortical areas, proposing positive changes on neurophysiology. We are expected to provide information related to the intervention of cognitive rehabilitation.
Purpose: The purpose of this study was to investigate the improve on brain activity during action observation training for cerebral palsy of diplegia. Design: Randomized controlled trial. Methods: 18 subjects were divide into two groups: action observation training group and a control group. Action observation group practiced repeatedly the action with their motor skill and control group practiced conventional physical therapy. The subjects participated in eighteen 30-min sessions, 3 day a week, for 6week. To confirm the effects on brain activity were evaluated. Results: The results show that the Mu-rhythm was statistically significant increase on the C3 of the action observation training group (p<0.05). Conclusion: The action observation training improves brain activity of a cerebral palsy with diplegia. These results suggest that the action observation training is feasible and beneficial for improving brain activation for the cerebral palsy with diplegia. In the future, I think we need to be actively utilized to the action observation training program in the clinical with the neuromuscular development treatment. And the study on the various the action observation training program that can improve the function of the children with cerebral palsy is thought necessary.
Purpose: This study examined the impacts of action observational physical training related to stair walking on the stair walking ability and self-efficacy of chronic stroke patients. Methods: This study was conducted on 24 chronic stroke patients, who were assigned randomly to an action observational physical training group (12 persons) and a landscape observation physical training group (12 persons). To the action-observational physical training group, five videos related to stair walking were presented, and after observing them, physical training was carried out. The landscape observation physical training group observed the videos consisting of landscape, where there were no humans and animals, and then underwent physical training. This study measured the rectus femoris, biceps femoris, tibialis anterior, and gastrocnemius to examine the muscle activity of the lower limb. A timed up and go and step test was performed to examine the balance ability, and a timed stair test was conducted to examine their stair walking ability. A self-efficacy scale was measured to examine the degree of their confidence of performing stair walking. The assessment was conducted three times in total: pre-, post-, and follow-up surveys. Results: As a result of this study, the action observational physical training group significant improvement after the intervention than in the landscape observation physical training group. Moreover, the follow-up study four weeks after the intervention showed significant improvements in the action observational physical training group (p<0.05). Conclusion: These results show that the action observational physical training had a positive impact on the stair walking ability and self-efficacy of chronic stroke patients.
The purpose of this study is to investigate the path model consisted of action planning, physical activity, and depression in order to obtain an enhanced understanding of their relationship and to support the aged with depression in community. In order to achieve this, precedent study was reviewed and the program with physical activity and action planning was executed. the data of a investigation of action planning, physical activity, and depression of the aged participated in the program which was consisted of physical activity with Action Planning was used and 116 cases were analyzed. The data analysis was done by descriptive statistics, correlation analysis, and path analysis. The results were as follows. First, the path model was accepted. Second, the direct path of action planning to physical activity was significant. Third, the direct path of both action planning and physical activity to depression were significant. Fourth, the effect size of action planning to depression was more than that of physical activity. Fifth, the indirect path of action planning to depression through physical activity was significant. On the basis of these results, this suggests a need to add action planning on national physical activity plan, establish the delivery system for physical activity program with action planning in mental health center in community, and applicate narrative approach skills for qualitative improvement of action planning.
Journal of the Korean Society of Physical Medicine
/
v.13
no.2
/
pp.137-145
/
2018
PURPOSE: The purpose of this study was to investigate the effect of action observational physical training with rhythmic auditory stimulation on muscle activity and gait ability in patients with stroke. METHODS: Twenty-six chronic stroke patients participated in this study were assigned into three groups, experimental group 1 (10% faster tempo rhythmic auditory stimulation with action observation training) n=8, experimental group 2 (average tempo rhythmic auditory stimulation with action observation training) n=9, and control group (action observation training) n=9. In this experiment, the corresponding exercise were applied into the subjects of three group for 30 minute a day, 3 time a week during 4 weeks. All participants were measured to muscle activity of lower limb, 10 meter walking test, Figure of 8 walk test, Dynamic gait Index. The collected data were analyzed by using SPSS (version 18.0 for window) and verified that each data was a normal distribution based on Shapiro-Wilk test. Between-group and within-group comparison was analyzed by using One-way ANOVA test, Paired t-test respectively. In all statistical analyses, significance level, ${\alpha}$ was set by .05. RESULTS: The above results revealed that the all experimental group 1 and experimental group 2 and control group were all effective to improve the lower limb muscle activities, gait ability. However more positive effects shown action observational physical training with rhythmic auditory stimulation experimental group. CONCLUSION: This study suggest that action observation physical training with rhythmic auditory stimulation is effective intervention for improvement of muscle activity and walking ability in chronic stroke patients.
The aim of this study was to determine the effect of action observational physical training (AOPT) on manual dexterity and corticomotor facilitation in stroke patients. Ten hemiparetic patients participated in this study. Each subject was asked to participate the three conditions; base condition (Base), physical training (PT), AOPT. Participants were asked to observe the action in the video that a therapist moved the blocks during the AOPT conditions. Corticomotor facilitation was determined in three conditions by monitoring changes in the amplitude of motor-evoked potentials (MEPs) elicited in hand muscles by transcranial magnetic stimulation. MEP responses were measured from the first dorsal interosseous after participants attended to three conditions. For the manual dexterity, Box and Block test (BBT) was used. The results of present study were summarized as follows: MEPs amplitude significantly tended to be larger than PT and Base condition. The scores of BBT in the AOPT condition were also significantly larger than other conditions. In conclusion, this finding of present study indicates that physical training for observation of an action is beneficial for enhancing a dexterity of paretic arm in stroke patients.
Purpose: This study aimed to examine the effects of mirror-neuron-system-based action observation physical training on improvements in upper extremity functions and daily living activities in chronic stroke patients. Methods: Ten chronic stroke patients were randomly selected. As a therapeutic intervention, along with conventional occupational therapy, the patients engaged in action observation physical training through repeated imitation practices after they viewed a video. The therapeutic intervention was implemented for 20 minutes, three times each week for eight weeks. A Manual Function Test (MFT) was conducted to compare upper extremity functions before and after the therapeutic intervention, and the Modified Barthel Index (MBI) was used to compare the ability to perform daily living activities. Results: Significant improvements in upper extremity motor functions and the ability to perform daily living activities were shown after the intervention. The subjects' left upper extremity motor functions and ability to perform daily living activities showed significant improvement after the intervention. Conclusion: The study's results indicate that action observation physical training based on the mirror neuron system improves chronic stroke patients' upper extremity motor functions and their ability to perform daily living activities. Therefore, action observation training has positive effects on the functional recovery of chronic stroke patients.
Objective: To investigate the action observation effects of functional electrical stimulation (FES) on the communication between motor cortex and muscle through corticomuscular coherence (CMC) analysis. Methods: Electroencephalogram (EEG) and electromyogram (EMG) of 27 healthy, nonathlete subjects were measured during action observation, FES, and action observation with FES, which lasted for 7sper session for 10 times. All trials were repeated for 30 times. Simultaneously measured EEG raw data and rectified EMG signals were used to calculate CMC. Only confidence limit values above 0.0306 were used for analysis. CMC was divided into three frequency domains, andthe grand average coherence and peak coherence were computed. Repeated ANOVA was performed to analyze the coherence value difference for each condition's frequency band. Results: CMC showed significant differences in peak coherence and average coherence between the conditions (p<0.05). Action observation application with FES in all frequency band showed the highest peak and average coherence value. Conclusions: The results of this study are assumed to be the combination of increased eccentric information transfer from the sensorymotor cortex by action observation and an increased in concentric sensory input from the peripheral by the FES, suggesting that these are reflecting the sensorimotor integration process.
Purpose: This study examined the effects of action-observation training using the Y-Balance on the balance ability of young adults. Methods: Thirty-four healthy adults were randomized into an action-observation group (n=17) or a control group (n=17). All subjects performed the Y-Balance test before and after watching the video. The action observation group watched a video of someone performing a Y-Balance test, and the control group watched a video of scenery unrelated to the training. The subjects were measured through a Y-Balance test for both the length of the legs extended in three directions and the Y-balance composite score. Results: A significant difference in the Y-balance composite score was observed between the two groups. A part of the direction of the extended leg in the action observation group was increased significantly (posteromedial direction of the right leg, posterolateral direction of the right leg, posteromedial direction of left leg) compared to the control group. Conclusion: These results suggest that action observation training only could help improve balance.
The purpose of this study is to test the mediating effect of coping plan and action plan in the relation between leisure-time physical activity(LTPA) intention and exercise behavior and to extend the literature in theory of planned behavior. We examined the mediating role of implementation plan-namely coping plan and action plan in the effect of intention to physical activity on exercise behavior. To attain the goal of study, we asked collegiate students (n=253; male=118, female=105) report their intention toward LTPA, coping plan, action plan, and self-reported exercise behavior. Collected data was analyzed using statistical program software (i.e., SPSS, AMOS) for SEM and mediation analyses. The results revealed that intention toward LTPA was positively related to implementation plan (coping plan and action plan) and exercise behavior. Collegiate students' intention toward LTPA positively predicted their exercise behavior mediated by implementation plans. Specifically, LTPA intention among collegiate students predicted their exercise behavior via coping plan and action plan. The findings showed that coping plan and action plan partially mediated in the relation between LTPA intention and exercise behavior. In conclusion, students' intention to be getting physical active in leisure-time physical activity explains lifetime physical activity or the level of recent exercise behavior possibly via coping plan (e.g., how to overcome barriers to exercise) and action plan (e.g., when and where I exercise and get physically active). The conceptualization of coping plan and action plan in implementation plans and test of its model better to explain the intention-behavior gap would help exercise instructors or practitioners effectively develop their plans and strategies toward targeted exercise behavior.
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