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Article ; Online: Topological Equivalence Theorem and Double-Copy for Chern–Simons Scattering Amplitudes

Yan-Feng Hang / Hong-Jian He / Cong Shen

Research, Vol

2023 Volume 6

Abstract: We study the mechanism of topological mass generation for 3-dimensional Chern–Simons gauge theories and propose a brand-new topological equivalence theorem to connect scattering amplitudes of the physical gauge boson states to that of the transverse ... ...

Abstract	We study the mechanism of topological mass generation for 3-dimensional Chern–Simons gauge theories and propose a brand-new topological equivalence theorem to connect scattering amplitudes of the physical gauge boson states to that of the transverse states under high-energy expansion. We prove a general energy cancelation mechanism for N-point physical gauge boson amplitudes, which predicts large cancelations of E4 − L → E(4 − L) − N at any L-loop level (L ⩾ 0). We extend the double-copy approach to construct massive graviton amplitudes and to study their structures. We newly uncovered a series of strikingly large energy cancelations E12 → E1 of the tree-level 4-graviton scattering amplitude under high-energy expansion and establish a new correspondence between the 2 energy cancelations in the topologically massive Yang–Mills gauge theory and the topologically massive gravity theory. We further study the scattering amplitudes of Chern–Simons gauge bosons and gravitons in the nonrelativistic limit.
Keywords	Science ; Q
Subject code	539
Language	English
Publishing date	2023-01-01T00:00:00Z
Publisher	American Association for the Advancement of Science
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Editorial: Promoting participation following neurotrauma.

Barclay, Linda / Coker, Jennifer / Chang, Feng-Hang

Frontiers in rehabilitation sciences

2023 Volume 3, Page(s) 1121684

Language	English
Publishing date	2023-01-12
Publishing country	Switzerland
Document type	Editorial
ISSN	2673-6861
ISSN (online)	2673-6861
DOI	10.3389/fresc.2022.1121684
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Article ; Online: T-wave alternans: an ominous pattern for malignant arrhythmias.

Feng, Hang-Wei / Zhao, Yun-Tao / Lin, Jian / Weng, Cui-Lian

QJM : monthly journal of the Association of Physicians

2023 Volume 116, Issue 9, Page(s) 781–783

MeSH term(s)	Humans ; Arrhythmias, Cardiac/diagnosis ; Electrocardiography
Language	English
Publishing date	2023-05-19
Publishing country	England
Document type	Journal Article
ZDB-ID	1199985-8
ISSN	1460-2393 ; 0033-5622 ; 1460-2725
ISSN (online)	1460-2393
ISSN	0033-5622 ; 1460-2725
DOI	10.1093/qjmed/hcad097
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Article ; Online: Measuring Participation of Rehabilitation Patients: Test-Retest Reliability and Mode of Administration Concordance of the Participation Measure-3 Domains, 4 Dimensions (PM-3D4D).

Chang, Feng-Hang

Archives of physical medicine and rehabilitation

2017 Volume 98, Issue 8, Page(s) 1622–1627

Abstract: Objective: To evaluate the test-retest reliability and the concordance between the interviewer-administered version and the self-administered version of a newly developed participation measure, Participation Measure-3 Domains, 4 Dimensions (PM-3D4D).: ...

Abstract	Objective: To evaluate the test-retest reliability and the concordance between the interviewer-administered version and the self-administered version of a newly developed participation measure, Participation Measure-3 Domains, 4 Dimensions (PM-3D4D). Design: Multicenter observational study. Setting: Outpatient rehabilitation programs. Participants: Rehabilitation outpatients (N=262) participated in the study, including those (n=202) who participated in the test-retest study and those (n=60) who participated in the 2 modes of the administration study. Interventions: Not applicable. Main outcome measures: The PM-3D4D includes 19 items measuring participation in productivity, social, and community domains across 4 dimensions: diversity of participation, frequency of participation, desire for change, and difficulty in participation. Results: The test-retest reliability was good across domains and dimensions (intraclass correlation coefficients, .76-.96) as well as in neurological and nonneurological groups. The test-retest reliability was also mostly good at the item level. A high concordance was found between the 2 administration modes (intraclass correlation coefficients, 0.96-1.00). Conclusions: The study results lend support to the use of the PM-3D4D to reliably assess participation of rehabilitation patients. The high concordance between the 2 administration modes suggests the potential use of the instrument in population-based research.
MeSH term(s)	Adult ; Aged ; Disability Evaluation ; Efficiency ; Female ; Humans ; Male ; Middle Aged ; Physical Therapy Modalities/standards ; Reproducibility of Results ; Social Participation ; Taiwan
Language	English
Publishing date	2017-08
Publishing country	United States
Document type	Journal Article ; Multicenter Study ; Observational Study
ZDB-ID	80057-0
ISSN	1532-821X ; 0003-9993
ISSN (online)	1532-821X
ISSN	0003-9993
DOI	10.1016/j.apmr.2017.02.022
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Article ; Online: Sports injuries and risk factors for table tennis among nonprofessional collegiate athletes: A cross-sectional study.

Teo, Moeka Mong Jia / Chang, Feng-Hang / Lin, Yen-Nung

Medicine

2022 Volume 100, Issue 50, Page(s) e28221

Abstract: Abstract: Despite the increasing popularity of table tennis worldwide, few studies have focused on table tennis injuries.This study aimed to investigate the injury profiles, including the injury rate, types, locations, and risk factors, among ... ...

Abstract	Abstract: Despite the increasing popularity of table tennis worldwide, few studies have focused on table tennis injuries.This study aimed to investigate the injury profiles, including the injury rate, types, locations, and risk factors, among nonprofessional collegiate table tennis athletes in Taiwan.We performed an online investigation among collegiate table tennis athletes of the nonprofessional category in the 2019 National Intercollegiate Athletic Games in Taiwan. Participants provided general information, and data on the characteristics of their play style, training, and injuries were collected. We then categorized these participants into injured and noninjured groups. Injuries were classified as mild, moderate, and severe, based on the time loss in playing table tennis. The risk factors for table tennis-related sports injuries were then identified through between-group comparisons.In total, 150 participants responded to the questionnaire. The average participant age was 21.3 years. Gender differences existed in age categories, forehand rubber, backhand style of play, and average days of training per week. Over the 6 months before the study, 76 of 150 participants experienced at least one injury. The handedness for play was associated with the occurrence of injury. Factors associated with injury severity included using rubber other than inverted rubber for the forehand and not qualifying for the national round of the team category of the National Intercollegiate Athletic Games.With a considerably high injury rate among nonprofessional collegiate athletes, further studies are required on table tennis-related injuries. Playing styles such as handedness and type of rubber used might be associated with the injury. The lower limb was the most common site of injury. These results may provide insights into trainers and coaches for further measures on injury prevention.
MeSH term(s)	Adult ; Athletes ; Athletic Injuries/classification ; Athletic Injuries/epidemiology ; Cross-Sectional Studies ; Female ; Humans ; Incidence ; Male ; Risk Factors ; Rubber ; Sprains and Strains/epidemiology ; Taiwan/epidemiology ; Tendinopathy/epidemiology ; Tennis ; Young Adult
Chemical Substances	Rubber (9006-04-6)
Language	English
Publishing date	2022-01-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	80184-7
ISSN	1536-5964 ; 0025-7974
ISSN (online)	1536-5964
ISSN	0025-7974
DOI	10.1097/MD.0000000000028221
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Article ; Online: Predicting trends of community participation after hospital discharge for younger adults after stroke.

Chang, Feng-Hang / Lin, Yen-Nung / Liou, Tsan-Hon / Ni, Peng-Sheng

Annals of physical and rehabilitation medicine

2022 Volume 66, Issue 1, Page(s) 101644

Abstract: Background: Community participation is an indicator of recovery for younger adults after stroke who generally have a greater need to return to society than do older adults. However, little is known about the trends of participation and their ... ...

Abstract	Background: Community participation is an indicator of recovery for younger adults after stroke who generally have a greater need to return to society than do older adults. However, little is known about the trends of participation and their determinants in this population. Objective: To explore the trends of community participation by younger (<65 years) adults with stroke in Taiwan after their hospital discharge and to identify predictors of these trends. Methods: This longitudinal, multicenter, prospective cohort study enrolled 570 relatively young adults (aged 20-65 years) with stroke. Participants were assessed at hospital discharge and at 3-, 6-, and 12-month follow-up. The primary outcome measure was the Participation Measure-3 Domains, 4 Dimensions (PM-3D4D). Sociodemographic and stroke-related variables were derived by using standardized instruments and questionnaires. Mixed models were used to derive the trends of each participation domain and to identify predictors. Results: PM-3D4D score changes showed a positive trend from discharge to 1-year follow-up (particularly in social and community subscales); however, the improvement was mild and mainly occurred in the first 3 months. Sociodemographic factors, such as income and education levels, and stroke-related variables, such as stroke severity, comorbidity, and physical function, significantly predicted changes in PM-3D4D scores over time. Physical function demonstrated the strongest prediction ability for all participation domains and dimensions. Conclusion: Multiple sociodemographic and stroke-related variables, particularly physical function, predicted improvement in community participation by younger adults after stroke. These findings may help clinicians identify younger adults at risk of unfavorable long-term participation outcomes after stroke.
MeSH term(s)	Young Adult ; Humans ; Aged ; Patient Discharge ; Prospective Studies ; Stroke ; Community Participation ; Stroke Rehabilitation ; Hospitals ; Activities of Daily Living
Language	English
Publishing date	2022-12-01
Publishing country	Netherlands
Document type	Multicenter Study ; Journal Article
ZDB-ID	2480363-7
ISSN	1877-0665 ; 1877-0657
ISSN (online)	1877-0665
ISSN	1877-0657
DOI	10.1016/j.rehab.2022.101644
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Article ; Online: What are individuals with serious mental illness (SMI) dealing with in a competitive labor market? Two case studies.

Chang, Feng-Hang

Work (Reading, Mass.)

2015 Volume 51, Issue 2, Page(s) 301–305

Abstract: Understanding individual experiences is crucial for consumer-centered practice and policy. However, limited literature has thoroughly explored individual employment experiences outside of rehabilitation programs. The purpose of this study is to ... ...

Abstract	Understanding individual experiences is crucial for consumer-centered practice and policy. However, limited literature has thoroughly explored individual employment experiences outside of rehabilitation programs. The purpose of this study is to demonstrate the challenges that two individuals with severe mental illness (SMI) had experienced in competitive employment settings. Through in-depth interviews followed by an inductive qualitative analysis, the barriers that restrained them from obtaining and keeping a job were identified. Even though the two cases had dissimilar backgrounds and diagnoses, they had both been struggling with multiple problems including psychiatric symptoms, medications, and social stigma. The findings indicate that a flexible work schedule and a supportive work environment are important to their work participation. However, many competitive employment settings did not allow them to have a flexible schedule for frequent medical leaves. The stigma toward mental illness was also prevalent in various workplaces they worked at. The implications for policy and practice are discussed.
MeSH term(s)	Efficiency ; Employment ; Female ; Humans ; Interviews as Topic ; Male ; Mental Disorders/psychology ; Middle Aged ; Personnel Staffing and Scheduling ; Social Stigma ; Social Support
Language	English
Publishing date	2015-06-05
Publishing country	Netherlands
Document type	Case Reports ; Journal Article
ZDB-ID	1394194-x
ISSN	1875-9270 ; 1051-9815
ISSN (online)	1875-9270
ISSN	1051-9815
DOI	10.3233/WOR-141849
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Article: Development of a Dyad-Focused Intervention for Stroke Survivors and Their Family Caregivers: A Feasibility Study.

Lin, Yen-Nung / Hung, Te-Hsun / Rodakowski, Juleen / Kang, Jiunn-Horng / Han, Der-Sheng / Liou, Tsan-Hon / Wu, Yi-Hsuan / Chang, Feng-Hang

The American journal of occupational therapy : official publication of the American Occupational Therapy Association

2024 Volume 78, Issue 2

Abstract: Importance: Transitioning from the hospital to the community poses significant challenges for stroke survivors and their caregivers.: Objective: To examine the feasibility and preliminary effects of a dyad-focused strategy training intervention.: ... ...

Abstract	Importance: Transitioning from the hospital to the community poses significant challenges for stroke survivors and their caregivers. Objective: To examine the feasibility and preliminary effects of a dyad-focused strategy training intervention. Design: Single-arm trial with data collection at baseline, postintervention, and 3-mo follow-up. Setting: Rehabilitation settings in Taiwan. Participants: Sixteen stroke survivor-caregiver dyads. Interventions: Dyad-focused strategy training was provided to stroke survivor-caregiver dyads twice a week over 6 wk. The training included shared decision-making, goal setting, performance evaluation, strategy development and implementation, and therapeutic guided discovery. Outcomes and measures: Feasibility indicators were Goal Attainment Scaling, Dyadic Relationship Scale, Participation Measure-3 Domains, 4 Dimensions, Activity Measure for Post-Acute Care, Montreal Cognitive Assessment, Trail Making Test, Stroop Color and Word Test, Preparedness for Caregiving Scale, and Zarit Burden Interview. Results: In total, 15 dyads completed all intervention sessions with full attendance. Both stroke survivors and their caregivers demonstrated high engagement and comprehension and reported moderate to high satisfaction with the intervention. From baseline to postintervention, the effects on goal attainment, frequency and perceived difficulty of community participation, executive function, mobility function, and caregiver preparedness were significant and positive. Conclusions and relevance: Our study supports the feasibility and preliminary efficacy of dyad-focused strategy training for stroke survivor-caregiver dyads transitioning from the hospital to the community in Taiwan. Our preliminary evidence indicates that dyads who receive strategy training exhibit advancement toward their goals and experience considerable enhancements in their individual outcomes. Plain-Language Summary: This study addresses the scarcity of interventions catering to both stroke survivors and their caregivers. By demonstrating the feasibility of our dyad-focused intervention, the research offers preliminary evidence that supports the potential advantages of involving both stroke survivors and their caregivers in the intervention process.
MeSH term(s)	Humans ; Caregivers/psychology ; Feasibility Studies ; Stroke/psychology ; Stroke Rehabilitation ; Survivors/psychology
Language	English
Publishing date	2024-02-29
Publishing country	United States
Document type	Clinical Trial ; Journal Article
ZDB-ID	219403-x
ISSN	1943-7676 ; 0272-9490 ; 0161-326X
ISSN (online)	1943-7676
ISSN	0272-9490 ; 0161-326X
DOI	10.5014/ajot.2024.050571
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Article ; Online: Responsiveness and Predictive Validity of the Participation Measure-3 Domains, 4 Dimensions in Survivors of Stroke.

Chang, Feng-Hang / Ni, Pengsheng

Archives of physical medicine and rehabilitation

2019 Volume 100, Issue 12, Page(s) 2283–2292

Abstract: Objectives: To examine the responsiveness and predictive validity of the Participation Measure-3 Domains, 4 Dimensions (PM-3D4D) in people receiving outpatient rehabilitation following stroke.: Design: Prospective cohort observational study.: ... ...

Abstract	Objectives: To examine the responsiveness and predictive validity of the Participation Measure-3 Domains, 4 Dimensions (PM-3D4D) in people receiving outpatient rehabilitation following stroke. Design: Prospective cohort observational study. Setting: Outpatient rehabilitation settings. Participants: Volunteer patients (N=269) with stroke (mean age ± SD [y], 55.36±12.46; 70.26% male). Interventions: Not applicable. Main outcome measures: The PM-3D4D was designed to measure 3 domains (Productivity, Social, and Community) and 4 dimensions (Diversity, Frequency, Desire for change, and Difficulty) of participation in individuals with rehabilitation needs. All participants completed the PM-3D4D, the Participation Assessment with Recombined Tools-Objective (PART-O), the Participation Measure for Post-Acute Care (PM-PAC), and the EuroQol-5-Dimension (EQ-5D) at the baseline assessment and again following 3 months of outpatient rehabilitation. Results: Significant mean changes in scores were observed for most of the PM-3D4D subscales, with the largest score change observed in the Difficulty subscale (standardized response mean=0.57∼0.88). The minimal detectable change and meaningful clinically important differences were calculated for each subscale. The Frequency and Difficulty dimensions of the PM-3D4D demonstrated significantly greater responsiveness than the PART-O and PM-PAC, respectively. The baseline PM-3D4D scores, except for Desire for change subscales, were significantly correlated with the PART-O, PM-PAC, and EQ-5D scores after 3 months of rehabilitation. Conclusions: This study provides evidence supporting the responsiveness and predictive validity of the PM-3D4D in survivors of stroke. Among all subscales of the PM-3D4D, the Difficulty dimensional scale demonstrated the greatest responsiveness. The Desire for change dimension of the PM-3D4D showed less responsiveness, and we recommend that it be used as a goal-setting tool rather than an outcome measure. The PM-3D4D can potentially be used to predict participation outcomes and the health-related quality of life following rehabilitation interventions.
MeSH term(s)	Adult ; Aged ; Community Participation/psychology ; Disability Evaluation ; Female ; Humans ; Interpersonal Relations ; Male ; Middle Aged ; Physical Therapy Modalities/standards ; Prospective Studies ; Quality of Life ; Reproducibility of Results ; Stroke Rehabilitation/psychology
Language	English
Publishing date	2019-08-14
Publishing country	United States
Document type	Journal Article ; Observational Study ; Research Support, Non-U.S. Gov't
ZDB-ID	80057-0
ISSN	1532-821X ; 0003-9993
ISSN (online)	1532-821X
ISSN	0003-9993
DOI	10.1016/j.apmr.2019.06.018
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Article ; Online: Enhanced Cathode Performance: The Heterostructure Construction of LiCoO

Leng, Yue / Dong, Shengde / Sun, Yanxia / Ma, Luxiang / Li, Jinyao / Feng, Hang / Hai, Chunxi / Zhou, Yuan

Langmuir : the ACS journal of surfaces and colloids

2024 Volume 40, Issue 12, Page(s) 6295–6303

Abstract: In this study, the heterostructure cathode material ... ...

Abstract	In this study, the heterostructure cathode material LiCoO
Language	English
Publishing date	2024-03-14
Publishing country	United States
Document type	Journal Article
ZDB-ID	2005937-1
ISSN	1520-5827 ; 0743-7463
ISSN (online)	1520-5827
ISSN	0743-7463
DOI	10.1021/acs.langmuir.3c03794
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