Objective: To study epidemiological characteristics of the military training injuries (MTI) during parachuting training of the air force and sea training of the navy. Methods:The subjects of this study were 1382, incl...Objective: To study epidemiological characteristics of the military training injuries (MTI) during parachuting training of the air force and sea training of the navy. Methods:The subjects of this study were 1382, including 971 navy soldiers (300 recruits and 671 soldiers) and 411 for force recruits. Navy: Each of injured soldiers was investigated by the trained battalion surgeon; Air force: When the parachuting training finished , two doctors in specific field screened and investigated them one by one. Results: The incidence of injury in for force recruits was 16.3% and in navy recruits was 18. 7%. The incidence of navy soldiers was 5.5%, which was significantly lower than that of navy recruits. There was a peak of incidence in the 2nd training month of navy recruits. The peak of incidence of navy soldiers was in 1st training month. The incidence of air force maintained at a high level except 2nd training month. The incidences of lower legs and ankles were higher than those of other sites in navy with percentage of 42.9% and 17.9% respectively. The incidences of ankles and lumbar region were higher than those of other sites in air force with percentage of 26.9% and 23.9% respectively. Incidence of acute traumatic injuries was highest during special course. Conclusion: The result showed the incidence of injury in sea and parachuting training varied. Different preventive measures should be adopted during special training.展开更多
Objective To investigate the prevalence of anxiety symptoms in army recruits and the effect of military training on anxiety.Methods A cluster sampling of 1431 new army recruits was conducted.The anxiety level of recru...Objective To investigate the prevalence of anxiety symptoms in army recruits and the effect of military training on anxiety.Methods A cluster sampling of 1431 new army recruits was conducted.The anxiety level of recruits was determined by Beck Anxiety Inventory(BAI) and Adult EPQ questionnaires prior to,one month after,and two months after entering basic military training.Self compiled biographic variables of the recruits were collected before the training.Results The highest BAI score(32.71±7.87) was observed 2 days before training,followed by 1 month after training(31.49±7.75) and 2 months after training(29.87±6.95).BAI score before training correlated with neuroticism and extraversion of recruits,the psychological trauma,suicide feeling and frequency of exercise before recruiting.A significant decrease in the percentage of severe symptom of wobbliness in legs,instability to relax,racing heart,dizziness,fear of the worst happening and trembling hands was observed after 1 month and/or 2 months of military training.Conclusion A higher BAI score and percentage of severe anxiety symptoms were observed before the training which correlated with psychological characteristics of recruits as well as the psychological experience before entering training.A combination of early psychological interference and physical exercise could reduce the anxiety.展开更多
Background:Attrition rate in new army recruits is higher than in incumbent troops.In the current study,we identified the risk factors for attrition due to injuries and physical fitness failure in recruit training.A va...Background:Attrition rate in new army recruits is higher than in incumbent troops.In the current study,we identified the risk factors for attrition due to injuries and physical fitness failure in recruit training.A variety of predictive models were attempted.Methods:This retrospective cohort included 19,769 Army soldiers of the Australian Defence Force receiving recruit training during a period from 2006 to 2011.Among them,7692 reserve soldiers received a 28-day training course,and the remaining 12,077 full-time soldiers received an 80-day training course.Retrieved data included anthropometric measures,course-specific variables,injury,and physical fitness failure.Multivariate regression was used to develop a variety of models to predict the rate of attrition due to injuries and physical fitness failure.The area under the receiver operating characteristic curve was used to compare the performance of the models.Results:In the overall analysis that included both the 28-day and 80-day courses,the incidence of injury of any type was 27.8%.The 80-day course had a higher rate of injury if calculated per course(34.3%vs.17.6%in the 28-day course),but lower number of injuries per person-year(1.56 vs.2.29).Fitness test failure rate was significantly higher in the 28-day course(30.0%vs.12.1%).The overall attrition rate was 5.2%and 5.0%in the 28-day and 80-day courses,respectively.Stress fracture was common in the 80-day course(n=44)and rare in the 28-day course(n=1).The areas under the receiver operating characteristic curves for the course-specific predictive models were relatively low(ranging from 0.51 to 0.69),consistent with"failed"to"poor"predictive accuracy.The course-combined models performed somewhat better than the course-specific models,with two models having AUC of 0.70 and 0.78,which are considered"fair"predictive accuracy.Conclusion:Attrition rate was similar between 28-day and 80-day courses.In comparison to the 80-day full course,the 28-day course had a lower rate of injury but a higher number of injuries per person-year and of fitness test failure.These findings suggest fitness level at the commencement of training is a critically important factor to consider when designing the course curriculum,particularly short courses.展开更多
Background:The U.S.Air Force physical fitness assessment(PFA)is used to determine the overall fitness of their personnel.It is currently unknown to what extent the PFA scores of Reserve Officers’Training Corps(ROTC)c...Background:The U.S.Air Force physical fitness assessment(PFA)is used to determine the overall fitness of their personnel.It is currently unknown to what extent the PFA scores of Reserve Officers’Training Corps(ROTC)cadets are affected by mandatory physical training.The purpose of this investigation was to longitudinally examine the PFAs of ROTC cadets over a four-year period,evaluate the results across class ranks,and evaluate the sensitivity of the classification of the tests.Methods:Air Force ROTC cadets performed the PFAs(abdominal circumference,1-min pushups,1-min sit-ups,and a 1.5-mile run)in both the spring(n=26)and fall(n=22)semesters.PFAs were compiled over a four-year period(Spring 2014–Fall 2017)and were performed in accordance with Air Force Instruction 36–2905.A oneway repeated measures ANOVA was performed separately for the fall and spring groups for each dependent variable across the 4 years.Additionally,a one-way between groups ANOVA was performed for each dependent variable during the time point(fall 2015;n=46)with the most recorded cadets for each class rank.Results:Longitudinal assessments revealed a main effect of time(P=0.010)on abdominal circumference;cadets had a smaller abdominal circumference in their freshman year than in their senior year.A main effect of time(P=0.006)was also observed on sit-up quantity;cadets performed more sit-ups in their junior year than in their freshman year.Examining between class ranks during the same year(between-subjects ANOVA)revealed a main effect of class rank on sit-up quantity(P=0.003);the freshmen completed fewer repetitions than the sophomores(P=0.018)and the juniors did(P=0.001).Conclusions:The results indicated that only the sit-up component showed differences between class ranks.These findings suggest that the Air Force PFA may not be sensitive enough to detect changes in physical fitness or distinguish between class ranks regarding physical performance,even after years of training.This limitation may be in part due to the limited duration of training incorporated by the ROTC program(2 h per week),which provided a maintenance effect rather than improvement in physical performance.We recommend that more attention be directed to the efficacy of physical training,the sensitivity of measures included in the PFA,or both.展开更多
Puncturing points opposite to the diseased side was used to treat injuries in 2560soldiers during their training.The instant effective rate and curative rate of the therapy was up to 96.25%and 38.44%respectively.
Background: Military medicine cadets undergo strenuous military training alongside demanding medical studies. This stressful and complex educational environment can lead to the emergence of depressive symptoms. We inv...Background: Military medicine cadets undergo strenuous military training alongside demanding medical studies. This stressful and complex educational environment can lead to the emergence of depressive symptoms. We investigated the prevalence of depressive symptoms in a cohort of military medicine cadets.Methods: We conducted a descriptive questionnaire-based cross-sectional study among Greek military medicine cadets in the undergraduate program of the Hellenic Military School of Combat Support Officers. The Greek translation of the Zung self-rating depression scale questionnaire was used to screen for the presence of depressive symptoms. In addition, demographic, academic and dietary information was collected. The Shapiro-Wilk test of normality, Pearson correlation test, Chi-square test, t-test and Mann Whitney U test were employed for statistical analysis.Results: We enrolled 55 female and 91 male military medicine cadets with a mean age of 19.84 years(SD=0.99). The mean Zung crude score was 43.32(SD=4.55): 42.8(SD=4.43) for female cadets and 43.64(SD=4.6) for male cadets. Cadets were further subdivided into low and high risk groups for the presence of depressive symptoms. We identified 57(39%) cadets with a total Zung crude score of 45 or above: 21 females and 36 males. Statistical analysis did not reveal any significant differences between the two groups based on gender, year of training, academic performance, alcohol consumption, smoking status, vitamin supplementation, dietary habits or BMI.Conclusion: We report a high prevalence of depressive symptoms in a cohort of military medicine cadets that underscores the need for effective screening and appropriate and timely interventions. We did not identify any related risk factors. Military medicine cadets are exposed to a challenging military and medical training environment, and thus represent a group at risk for development of depression.展开更多
This study was conducted to evaluate the nutritional status and physical activities of university students that enrolled in military training with the age range of 20 - 34 years. Nutritional status assessment was base...This study was conducted to evaluate the nutritional status and physical activities of university students that enrolled in military training with the age range of 20 - 34 years. Nutritional status assessment was based on eating habit questionnaires, anthropometric measurements with body mass index (BMI) and waist-to-hip ratio (WHR), food intake records for three days and also food frequency questionnaire (FFQ). Assessment of physical activities was carried out using physical activities records. Food intake and physical activities data were analyzed using the Nutri-Antro Web (NAW) software. Generally, the subjects were found to have good nutrition knowledge and food intake habits, except for having an irregular meal time (85.0%). Based on BMI studies, 80.0% of male subjects and 78.6% of female subjects were within normal range with the average of 22.94 ± 2.97 kg/m2 and 21.40 ± 3.06 kg/m2 respectively. None of the subjects had WHR above the cut-off point of 1.0 for men and 0.85 for women. The average energy intake for male and female was 2589 ± 687 kcal and 1959 ± 460 kcal respectively. Overall, nutrient intake of both genders fulfilled Malaysia Recommended Nutrient Intake 2005 (RNI) except for the average energy intake of the female subjects. The daily physiccal activities patterns revealed that 73.6% was used for light activities, 19.7% for moderate while 7.4% for heavy activities. The average daily energy expenditure for male subjects (3161 ± 444 kcal) was higher than the female subjects (2492 ± 388 kcal). Both male and female subjects have negative energy balance of -572 kcal and -533 kcal respecttively. Majority of the subjects were categorized as physically active (77.9%). Pearson correlation test showed that physical activities were positively correlated (p < 0.05) with BMI, WHR and nutrient intakes except for the intake of vitamin C. In conclusion, nutritional status and physical activity level of subjects were satisfactory.展开更多
Acupuncture has a long history in China and has played an important role in military medical treatment since ancient times.Acupuncture therapy has been gradually popularized in the armies of various countries.It not o...Acupuncture has a long history in China and has played an important role in military medical treatment since ancient times.Acupuncture therapy has been gradually popularized in the armies of various countries.It not only alleviates tissue damage of acute cardio-cerebrovascular injury but also can relieve all types of pain.However,compared with its rising popularity abroad,insufficient attention has been devoted to acupuncture in first aid domestically.Military health care has also ignored its potential value.The implementation of acupuncture in traditional Chinese medicine can relieve pain better and faster.Acupuncture can reduce the sequels of training-related injuries,and further improve the level of military medical security.It is significant for the establishment of an emergency medical system and the development of traditional medical techniques.展开更多
Military talents are those who have higher culture and scientific quality, much strong innovation consciousness and thinking ability. The overall objective of military talent training is to cultivate the comprehensive...Military talents are those who have higher culture and scientific quality, much strong innovation consciousness and thinking ability. The overall objective of military talent training is to cultivate the comprehensive-quality military personnel that meet the requirements of military modernization and preparations for military struggle. In this paper, we construct the military talent training objectives model, and on this basis, we propose the innovative military talent training mode, from the perspective of curriculum content system and talent quality assurance system.展开更多
伴随认知神经科学进入技术应用时代,军事心理训练从传统的行为训练向基于神经成像、人工智能和虚拟现实等技术的认知神经训练发展。认知神经训练包括侵入性和非侵入性两类,既可用于军事职业相关神经精神障碍的辅助治疗,更可作为以脑为...伴随认知神经科学进入技术应用时代,军事心理训练从传统的行为训练向基于神经成像、人工智能和虚拟现实等技术的认知神经训练发展。认知神经训练包括侵入性和非侵入性两类,既可用于军事职业相关神经精神障碍的辅助治疗,更可作为以脑为靶点的预防性训练以增强认知、调节情绪和塑造行为。本文聚焦于非侵入性认知神经训练,重点梳理以重复经颅磁刺激(repetitive transcranial magnetic stimulation,rTMS)、经颅直流电刺激(transcranial direct current stimulation,tDCS)和低强度聚焦超声(low-intensity focused ultrasound,LIFU)等为代表的非侵入性脑刺激(non-invasive brain stimulation,NIBS)以及由脑电图(electroencephalography,EEG)、功能磁共振(functional magnetic resonance imaging,fMRI)和功能近红外光谱技术(functional near-infrared spectroscopy,fNIRS)介导的神经反馈(neurofeedback,NF),展望其智能化、个性化、多模态、感官化和可穿戴发展趋势,并探讨我军开展认知神经训练研究和应用需要注意的问题。展开更多
文摘Objective: To study epidemiological characteristics of the military training injuries (MTI) during parachuting training of the air force and sea training of the navy. Methods:The subjects of this study were 1382, including 971 navy soldiers (300 recruits and 671 soldiers) and 411 for force recruits. Navy: Each of injured soldiers was investigated by the trained battalion surgeon; Air force: When the parachuting training finished , two doctors in specific field screened and investigated them one by one. Results: The incidence of injury in for force recruits was 16.3% and in navy recruits was 18. 7%. The incidence of navy soldiers was 5.5%, which was significantly lower than that of navy recruits. There was a peak of incidence in the 2nd training month of navy recruits. The peak of incidence of navy soldiers was in 1st training month. The incidence of air force maintained at a high level except 2nd training month. The incidences of lower legs and ankles were higher than those of other sites in navy with percentage of 42.9% and 17.9% respectively. The incidences of ankles and lumbar region were higher than those of other sites in air force with percentage of 26.9% and 23.9% respectively. Incidence of acute traumatic injuries was highest during special course. Conclusion: The result showed the incidence of injury in sea and parachuting training varied. Different preventive measures should be adopted during special training.
基金This study was supported by the Project of Mental Health Research of PLA (Grant No.12XLZ204), the Project of Science and Technology Research in Medicine of PLA (Grant No.CWS11J278), the Natural Science Foundation of Guangxi (Grant No. 0991289) and the Guangxi Health Department Project (Grant No. Z2009404).
基金supported by the Project of mental health Research of PLA(Grant No.12XLZ204)the Project of Science and Technology Research in Medicine of PLA(Grant No.CWS11J278)+1 种基金the Natural Science Foundation of Guangxi(Grant No.0991289)the Guangxi Health Department Project(Grant No.Z2009404)
文摘Objective To investigate the prevalence of anxiety symptoms in army recruits and the effect of military training on anxiety.Methods A cluster sampling of 1431 new army recruits was conducted.The anxiety level of recruits was determined by Beck Anxiety Inventory(BAI) and Adult EPQ questionnaires prior to,one month after,and two months after entering basic military training.Self compiled biographic variables of the recruits were collected before the training.Results The highest BAI score(32.71±7.87) was observed 2 days before training,followed by 1 month after training(31.49±7.75) and 2 months after training(29.87±6.95).BAI score before training correlated with neuroticism and extraversion of recruits,the psychological trauma,suicide feeling and frequency of exercise before recruiting.A significant decrease in the percentage of severe symptom of wobbliness in legs,instability to relax,racing heart,dizziness,fear of the worst happening and trembling hands was observed after 1 month and/or 2 months of military training.Conclusion A higher BAI score and percentage of severe anxiety symptoms were observed before the training which correlated with psychological characteristics of recruits as well as the psychological experience before entering training.A combination of early psychological interference and physical exercise could reduce the anxiety.
文摘Background:Attrition rate in new army recruits is higher than in incumbent troops.In the current study,we identified the risk factors for attrition due to injuries and physical fitness failure in recruit training.A variety of predictive models were attempted.Methods:This retrospective cohort included 19,769 Army soldiers of the Australian Defence Force receiving recruit training during a period from 2006 to 2011.Among them,7692 reserve soldiers received a 28-day training course,and the remaining 12,077 full-time soldiers received an 80-day training course.Retrieved data included anthropometric measures,course-specific variables,injury,and physical fitness failure.Multivariate regression was used to develop a variety of models to predict the rate of attrition due to injuries and physical fitness failure.The area under the receiver operating characteristic curve was used to compare the performance of the models.Results:In the overall analysis that included both the 28-day and 80-day courses,the incidence of injury of any type was 27.8%.The 80-day course had a higher rate of injury if calculated per course(34.3%vs.17.6%in the 28-day course),but lower number of injuries per person-year(1.56 vs.2.29).Fitness test failure rate was significantly higher in the 28-day course(30.0%vs.12.1%).The overall attrition rate was 5.2%and 5.0%in the 28-day and 80-day courses,respectively.Stress fracture was common in the 80-day course(n=44)and rare in the 28-day course(n=1).The areas under the receiver operating characteristic curves for the course-specific predictive models were relatively low(ranging from 0.51 to 0.69),consistent with"failed"to"poor"predictive accuracy.The course-combined models performed somewhat better than the course-specific models,with two models having AUC of 0.70 and 0.78,which are considered"fair"predictive accuracy.Conclusion:Attrition rate was similar between 28-day and 80-day courses.In comparison to the 80-day full course,the 28-day course had a lower rate of injury but a higher number of injuries per person-year and of fitness test failure.These findings suggest fitness level at the commencement of training is a critically important factor to consider when designing the course curriculum,particularly short courses.
文摘Background:The U.S.Air Force physical fitness assessment(PFA)is used to determine the overall fitness of their personnel.It is currently unknown to what extent the PFA scores of Reserve Officers’Training Corps(ROTC)cadets are affected by mandatory physical training.The purpose of this investigation was to longitudinally examine the PFAs of ROTC cadets over a four-year period,evaluate the results across class ranks,and evaluate the sensitivity of the classification of the tests.Methods:Air Force ROTC cadets performed the PFAs(abdominal circumference,1-min pushups,1-min sit-ups,and a 1.5-mile run)in both the spring(n=26)and fall(n=22)semesters.PFAs were compiled over a four-year period(Spring 2014–Fall 2017)and were performed in accordance with Air Force Instruction 36–2905.A oneway repeated measures ANOVA was performed separately for the fall and spring groups for each dependent variable across the 4 years.Additionally,a one-way between groups ANOVA was performed for each dependent variable during the time point(fall 2015;n=46)with the most recorded cadets for each class rank.Results:Longitudinal assessments revealed a main effect of time(P=0.010)on abdominal circumference;cadets had a smaller abdominal circumference in their freshman year than in their senior year.A main effect of time(P=0.006)was also observed on sit-up quantity;cadets performed more sit-ups in their junior year than in their freshman year.Examining between class ranks during the same year(between-subjects ANOVA)revealed a main effect of class rank on sit-up quantity(P=0.003);the freshmen completed fewer repetitions than the sophomores(P=0.018)and the juniors did(P=0.001).Conclusions:The results indicated that only the sit-up component showed differences between class ranks.These findings suggest that the Air Force PFA may not be sensitive enough to detect changes in physical fitness or distinguish between class ranks regarding physical performance,even after years of training.This limitation may be in part due to the limited duration of training incorporated by the ROTC program(2 h per week),which provided a maintenance effect rather than improvement in physical performance.We recommend that more attention be directed to the efficacy of physical training,the sensitivity of measures included in the PFA,or both.
文摘Puncturing points opposite to the diseased side was used to treat injuries in 2560soldiers during their training.The instant effective rate and curative rate of the therapy was up to 96.25%and 38.44%respectively.
基金the Military School of Combat Support Officers Command for providing a supportive research environment
文摘Background: Military medicine cadets undergo strenuous military training alongside demanding medical studies. This stressful and complex educational environment can lead to the emergence of depressive symptoms. We investigated the prevalence of depressive symptoms in a cohort of military medicine cadets.Methods: We conducted a descriptive questionnaire-based cross-sectional study among Greek military medicine cadets in the undergraduate program of the Hellenic Military School of Combat Support Officers. The Greek translation of the Zung self-rating depression scale questionnaire was used to screen for the presence of depressive symptoms. In addition, demographic, academic and dietary information was collected. The Shapiro-Wilk test of normality, Pearson correlation test, Chi-square test, t-test and Mann Whitney U test were employed for statistical analysis.Results: We enrolled 55 female and 91 male military medicine cadets with a mean age of 19.84 years(SD=0.99). The mean Zung crude score was 43.32(SD=4.55): 42.8(SD=4.43) for female cadets and 43.64(SD=4.6) for male cadets. Cadets were further subdivided into low and high risk groups for the presence of depressive symptoms. We identified 57(39%) cadets with a total Zung crude score of 45 or above: 21 females and 36 males. Statistical analysis did not reveal any significant differences between the two groups based on gender, year of training, academic performance, alcohol consumption, smoking status, vitamin supplementation, dietary habits or BMI.Conclusion: We report a high prevalence of depressive symptoms in a cohort of military medicine cadets that underscores the need for effective screening and appropriate and timely interventions. We did not identify any related risk factors. Military medicine cadets are exposed to a challenging military and medical training environment, and thus represent a group at risk for development of depression.
文摘This study was conducted to evaluate the nutritional status and physical activities of university students that enrolled in military training with the age range of 20 - 34 years. Nutritional status assessment was based on eating habit questionnaires, anthropometric measurements with body mass index (BMI) and waist-to-hip ratio (WHR), food intake records for three days and also food frequency questionnaire (FFQ). Assessment of physical activities was carried out using physical activities records. Food intake and physical activities data were analyzed using the Nutri-Antro Web (NAW) software. Generally, the subjects were found to have good nutrition knowledge and food intake habits, except for having an irregular meal time (85.0%). Based on BMI studies, 80.0% of male subjects and 78.6% of female subjects were within normal range with the average of 22.94 ± 2.97 kg/m2 and 21.40 ± 3.06 kg/m2 respectively. None of the subjects had WHR above the cut-off point of 1.0 for men and 0.85 for women. The average energy intake for male and female was 2589 ± 687 kcal and 1959 ± 460 kcal respectively. Overall, nutrient intake of both genders fulfilled Malaysia Recommended Nutrient Intake 2005 (RNI) except for the average energy intake of the female subjects. The daily physiccal activities patterns revealed that 73.6% was used for light activities, 19.7% for moderate while 7.4% for heavy activities. The average daily energy expenditure for male subjects (3161 ± 444 kcal) was higher than the female subjects (2492 ± 388 kcal). Both male and female subjects have negative energy balance of -572 kcal and -533 kcal respecttively. Majority of the subjects were categorized as physically active (77.9%). Pearson correlation test showed that physical activities were positively correlated (p < 0.05) with BMI, WHR and nutrient intakes except for the intake of vitamin C. In conclusion, nutritional status and physical activity level of subjects were satisfactory.
文摘Acupuncture has a long history in China and has played an important role in military medical treatment since ancient times.Acupuncture therapy has been gradually popularized in the armies of various countries.It not only alleviates tissue damage of acute cardio-cerebrovascular injury but also can relieve all types of pain.However,compared with its rising popularity abroad,insufficient attention has been devoted to acupuncture in first aid domestically.Military health care has also ignored its potential value.The implementation of acupuncture in traditional Chinese medicine can relieve pain better and faster.Acupuncture can reduce the sequels of training-related injuries,and further improve the level of military medical security.It is significant for the establishment of an emergency medical system and the development of traditional medical techniques.
文摘Military talents are those who have higher culture and scientific quality, much strong innovation consciousness and thinking ability. The overall objective of military talent training is to cultivate the comprehensive-quality military personnel that meet the requirements of military modernization and preparations for military struggle. In this paper, we construct the military talent training objectives model, and on this basis, we propose the innovative military talent training mode, from the perspective of curriculum content system and talent quality assurance system.
文摘伴随认知神经科学进入技术应用时代,军事心理训练从传统的行为训练向基于神经成像、人工智能和虚拟现实等技术的认知神经训练发展。认知神经训练包括侵入性和非侵入性两类,既可用于军事职业相关神经精神障碍的辅助治疗,更可作为以脑为靶点的预防性训练以增强认知、调节情绪和塑造行为。本文聚焦于非侵入性认知神经训练,重点梳理以重复经颅磁刺激(repetitive transcranial magnetic stimulation,rTMS)、经颅直流电刺激(transcranial direct current stimulation,tDCS)和低强度聚焦超声(low-intensity focused ultrasound,LIFU)等为代表的非侵入性脑刺激(non-invasive brain stimulation,NIBS)以及由脑电图(electroencephalography,EEG)、功能磁共振(functional magnetic resonance imaging,fMRI)和功能近红外光谱技术(functional near-infrared spectroscopy,fNIRS)介导的神经反馈(neurofeedback,NF),展望其智能化、个性化、多模态、感官化和可穿戴发展趋势,并探讨我军开展认知神经训练研究和应用需要注意的问题。