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The two sides of Phobos: Gray and white matter abnormalities in phobic individuals.
Cogn Affect Behav Neurosci
January 2025
Departamento de Psicología ClínicaPsicobiología y MetodologíaFacultad de Psicología, Universidad de La Laguna, La Laguna, 38200, Tenerife, Spain.
Small animal phobia (SAP) is a subtype of specific phobia characterized by an intense and irrational fear of small animals, which has been underexplored in the neuroscientific literature. Previous studies often faced limitations, such as small sample sizes, focusing on only one neuroimaging modality, and reliance on univariate analyses, which produced inconsistent findings. This study was designed to overcome these issues by using for the first time advanced multivariate machine-learning techniques to identify the neural mechanisms underlying SAP.
View Article and Find Full Text PDFAppraising the role of biotics and fermented foods in gut microbiota modulation and sleep regulation.
J Food Sci
January 2025
Department of Fruit and Vegetable Technology, CSIR-Central Food Technological Research Institute, Mysuru, India.
Sleep disturbances are increasingly prevalent, significantly impacting physical and mental health. Recent research reveals a bidirectional relationship between gut microbiota and sleep, mediated through the microbiota-gut-brain axis. This review examines the role of gut microbiota in sleep physiology and explores how biotics, including probiotics, prebiotics, synbiotics, postbiotics, and fermented foods, can enhance sleep quality.
View Article and Find Full Text PDFPlasma phosphorylated tau and neuropsychiatric symptoms in dementia with Lewy bodies.
Alzheimers Dement
December 2024
Centre for Healthy Brain Ageing, Department of Psychological Medicine, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK.
Introduction: Neuropsychiatric symptoms (NPSs) are common in dementia with Lewy bodies (DLB) but their neurobiological mechanisms are poorly understood.
Methods: NPSs and cognition were assessed annually in participants (DLB n = 222; Alzheimer's disease [AD] n = 125) from the European DLB (E-DLB) Consortium, and plasma phosphorylated tau-181 (p-tau181) and p-tau231 concentrations were measured at baseline.
Results: Hallucinations, delusions, and depression were more common in DLB than in AD and, in a subgroup with longitudinal follow-up, persistent hallucinations and NPSs were associated with lower p-tau181 and p-tau231 in DLB.
Exploring the neurobiological correlates of psilocybin-assisted psychotherapy in eating disorders: a review of potential methodologies and implications for the psychedelic study design.
J Eat Disord
December 2024
Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada.
Eating disorders (EDs) are a group of debilitating mental illnesses characterized by maladaptive eating behaviors and severe cognitive-emotional dysfunction, directly affecting 1-3% of the population. Standard treatments are not effective in approximately one third of ED cases, representing the need for scientific advancement. There is emerging evidence for the safety and efficacy of psilocybin-assisted psychotherapy (PAP) to improve treatment outcomes in individuals with EDs.
View Article and Find Full Text PDFVirtual reality modulating dynamics of neuroplasticity: Innovations in neuro-motor rehabilitation.
Neuroscience
December 2024
Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra 441002, India. Electronic address:
Virtual reality (VR) technology has emerged as a ground-breaking tool in neuroscience, revolutionizing our understanding of neuroplasticity and its implications for neurological rehabilitation. By immersing individuals in simulated environments, VR induces profound neurobiological transformations, affecting neuronal connectivity, sensory feedback mechanisms, motor learning processes, and cognitive functions. These changes highlight the dynamic interplay between molecular events, synaptic adaptations, and neural reorganization, emphasizing the potential of VR as a therapeutic intervention in various neurological disorders.
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