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Effects of light on biological functions and human sleep.
Handb Clin Neurol
January 2025
Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland; Department of Biomedicine, University of Basel, Basel, Switzerland.
The nonvisual effects of light in humans are mainly conveyed by a subset of retinal ganglion cells that contain the pigment melanopsin which renders them intrinsically photosensitive (= intrinsically photosensitive retinal ganglion cells, ipRGCs). They have direct connections to the main circadian clock in the suprachiasmatic nuclei (SCN) of the hypothalamus and modulate a variety of physiological processes, pineal melatonin secretion, autonomic functions, cognitive processes such as attention, and behavior, including sleep and wakefulness. This is because efferent projections from the SCN reach other hypothalamic nuclei, the pineal gland, thalamus, basal forebrain, and the brainstem.
View Article and Find Full Text PDFThe influence of Dexmedetomidine as an additive to local anesthetics in dental procedures: A systematic review.
Med Oral Patol Oral Cir Bucal
January 2025
Department of Oral and Maxillofacial Surgery Dental School, University of Pernambuco Arnóbio Marques St., 310 Zip code 50100-130, Recife, PE, Brazil
Background: This review aimed to assess if the use of dexmedetomidine as an additive to local anesthetics promotes greater safety and efficacy than local anesthetics alone in dental procedures.
Material And Methods: the systematic review was structured according to the PICO strategy and adhered to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) checklist. Studies were included based on the eligibility criteria, and data from the included studies were collected by one author.
Apathy in Alzheimer's disease: Eye movements characteristics and neurostructural basis.
J Affect Disord
January 2025
Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China; Center for Cognitive Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China; China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. Electronic address:
Background: We sought to evaluate the characteristics of eye movements in Alzheimer's disease (AD) patients with apathy (AD-A) and their ability to identify AD-A and explore the shared neurostructure of eye movements and apathy.
Methods: Total 32 normal controls, 36 AD-A and 72 AD with no apathy (AD-NA) patients were recruited. Parameters of smooth pursuit, fixation, prosaccade and antisaccade were compared among the three groups.
Sleep quality in lung cancer and specifically non-small-cell lung cancer: a rapid review.
Support Care Cancer
January 2025
Supportive and Palliative Care Service, Strasbourg University Hospital, Strasbourg Translational Medicine Federation (FMTS), Université de Strasbourg, Strasbourg, France.
Purpose: Sleep quality contributes to the improvement of quality of life in cancer patients. However, sleep disturbances, of variable and heterogeneous etiologies, are common and frequently overlooked in lung cancer patients. The present study undertakes a rapid review of available peer-reviewed literature on sleep quality in lung cancer patients, specifically non-small-cell lung cancer patients.
View Article and Find Full Text PDFHerald Patch as the Only Evidence of Pityriasis Rosea: Clinical, Laboratory and Pathogenetic Features.
Viruses
January 2025
Section of Dermatology, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto 1, 71122 Foggia, Italy.
Pityriasis rosea (PR) is a self-limited exanthem associated with the endogenous systemic reactivation of human herpesvirus (HHV)-6 and HHV-7. The disease typically begins with a single erythematous patch on the trunk (herald patch), followed by a secondary eruption of smaller papulosquamous lesions. Rarely, the herald patch may be the only cutaneous manifestation of PR.
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