Background And Aim: Several research works show that anxiety is more common in women, low-income classes, and middle-aged and elderly populations. The present study aimed to investigate the role of positive and negative memories in patients' anxiety referred to the dental clinics, offices, and schools of Kerman, Iran, in 2018-2019.
Materials And Methods: In this cross-sectional, descriptive, analytical study, the participants were selected among individuals referred to the dental offices, schools, and clinics of Kerman, Iran. In this study, 500 questionnaires were distributed among the participants (based on census method), and of these, 482 of which were reviewed (response rate = 96.4%). The questionnaire used in this study contained four categories of questions, including demographic information, general questions about dentistry, Corah's Dental Anxiety Scale, and Autobiographical Memory Questionnaire. Analysis of variance, -test, and Chi-square test were used to analyze.
Results: Overall, 281 participants were female, and 201 were male. Based on the findings, dental visits were enjoyable and pleasant experiences for 154 participants, and 165 patients were anxious while the dentist prepared for a restorative treatment. This study showed that people with negative memories had more anxiety. Anxiety was also significantly associated with positive memories, higher education, and gender (female) ( < 0.05). Also, the most negative memories of dental treatments were associated with increased anxiety about dental treatments in adults ( < 0.05), while positive memories did not have a relationship any with decreased anxiety ( > 0.05).
Conclusion: The most negative memories of dental treatments were associated with increased anxiety about dental treatments in adults, while positive memories did not have any expected inverse relationship with anxiety.
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http://dx.doi.org/10.4103/jehp.jehp_1436_21 | DOI Listing |
PLoS One
January 2025
Department of Mathematics and General Sciences, Prince Sultan University, Riyadh, Saudi Arabia.
This study proposes and analyses a revised predator-prey model that accounts for a twofold Allee impact on the rate of prey population expansion. Employing the Caputo fractional-order derivative, we account for memory impact on the suggested model. We proceed to examine the significant mathematical aspects of the suggested model, including the uniqueness, non-negativity, boundedness, and existence of solutions to the noninteger order system.
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1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.
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December 2024
The Second Affiliated Hospital of Chongqing Medical University, Chongqing, Chong Qing, China.
Background: Alzheimer's disease (AD) frequently coexists with cerebral small vessel disease (CSVD) is common in the aging population, yet the underlying mechanisms are not yet fully understood. Both long-term blood pressure variability (BPV) and plasma neurofilament light (PNFL) were identified as potential biomarkers for AD and CSVD. This study aims to understand the mechanisms of comorbidity between AD and CSVD by investigating the associations among BPV, PNFL, and comorbidity.
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December 2024
Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA.
Background: Sleep dysfunction is commonly seen in Alzheimer's disease (AD) and Progressive Supranuclear Palsy (PSP), potentially worsening these conditions. Investigating early neuropathological changes in human sleep-promoting neurons, which often precede cognitive decline, is crucial for understanding the basis for sleep dysfunction as possible treatments yet remain underexplored. We used postmortem brains of AD and PSP patients to quantify neuronal numbers and tau burden in the intermediate nucleus of the hypothalamus (IntN), VLPO analog, known for its role in sleep maintenance.
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December 2024
The Second Affiliated Hospital of Chongqing Medical University, Chongqing, Chong Qing, China.
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