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1.
Am J Geriatr Psychiatry ; 31(12): 1091-1099, 2023 12.
Artigo em Inglês | MEDLINE | ID: mdl-37821299

RESUMO

OBJECTIVE: Older adults are prone to the negative effects of exposure to violence on their mental health. This study aimed to examine the impact of exposure to violence during social unrest and the role of resilience in the mental health of older people. DESIGN: A total of 1,203 people aged 65 years or older were randomly selected for a telephone survey using the random digit dialing numbering method in Hong Kong. MEASUREMENTS: A 13-item scale was developed to measure exposure to violence. The Chinese versions of the Connor-Davidson Resilience Scale and the Startle, Physiological Arousal, Anger, and Numbness scales for measuring mental health status were adopted in the survey. RESULTS: The results showed that the more frequently older people were exposed to information, the more negative mental health status they had. However, exposure to witnessing and experiencing violence was not significantly associated with mental health status. Older adults' level of resilience had a moderating effect between exposure to information and mental health, whereas the effect of exposure to information on mental health was stronger for respondents with lower resilience. CONCLUSION: This study showed that emotional problems caused by exposure to related information among older people should be properly addressed during massive social unrest and conflict. Their resilience capacity is an important moderating factor. Future interventions and support services should focus on enhancing the resilience of older people to better equip them with overcoming problems related to macro-social issues.


Assuntos
Exposição à Violência , Resiliência Psicológica , Humanos , Idoso , Saúde Mental , Hong Kong/epidemiologia , Violência
2.
BMC Geriatr ; 22(1): 768, 2022 09 23.
Artigo em Inglês | MEDLINE | ID: mdl-36151516

RESUMO

BACKGROUND: The social unrest in the second half of 2019 in Hong Kong came with conflicts, confrontations, and violence which affected almost everyone in the city. The destruction and disruption of the urban facilities have undoubtedly had a significant impact on the lives and mental well-being of the public, and the older people are even more vulnerable. This study examined the impacts of the social unrest on the wellbeing of older people, an area that was seldomly addressed in the public discourse and literature. METHODS: Narrative interviews were conducted to capture older people's lived experiences and ways of making sense of the unrest in Hong Kong. A total of 63 participants aged 60 and above was recruited through personal networks of the research team, and referrals by participants who took part in the interviews. Qualitative semi-structure interviews was conducted one on one via telephone. RESULTS: Thirty-three male and 30 female participants took part in the interview. The number of participants from different risk zones affected by political unrest was comparable. Three themes were generated. Participants experienced challenges during the social unrest, including disturbance to family and social life, reduced incomes which affect quality of life, and difficulties in socializing with friends and accessing medical services. The social unrest caused emotional disturbance, giving rise to feelings of panic, fear, insomnia, depression, annoyance, and anger. Participants reported different coping strategies, ranging from moving to other places, to avoiding going to risky areas and watching news. CONCLUSION: Social unrest brings emotional distress to older people. In many cases, older people cope with challenges in different ways, whether active or passive. Social workers and other professionals should give more support to older people to encourage them to overcome their difficulties. The stakeholders' awareness of the problem and mental health promotion is required to alleviate the multiple layers of negative impacts.


Assuntos
Adaptação Psicológica , Qualidade de Vida , Idoso , Feminino , Hong Kong/epidemiologia , Humanos , Masculino , Saúde Mental , Qualidade de Vida/psicologia , Telefone
3.
Biochim Biophys Acta ; 1828(10): 2272-82, 2013 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-23500349

RESUMO

Direct correlation of molecular conformation with local structure is critical to studies of protein- and peptide-membrane interactions, particularly in the context of membrane-facilitated aggregation, and disruption or disordering. Infrared spectroscopy has long been a mainstay for determining molecular conformation, following folding dynamics, and characterizing reactions. While tremendous advances have been made in improving the spectral and temporal resolution of infrared spectroscopy, it has only been with the introduction of scanned-probe techniques that exploit the raster-scanning tip as either a source, scattering tool, or measurement probe that researchers have been able to obtain sub-diffraction limit IR spectra. This review will examine the history of correlated scanned-probe IR spectroscopies, from their inception to their use in studies of molecular aggregates, membrane domains, and cellular structures. The challenges and opportunities that these platforms present for examining dynamic phenomena will be discussed. This article is part of a Special Issue entitled: FTIR in membrane proteins and peptide studies.


Assuntos
Biofísica , Membrana Celular , Espectroscopia de Infravermelho com Transformada de Fourier/métodos , Microscopia/métodos
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