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Brain microstructure alterations in subjective cognitive decline: a multi-component T2 relaxometry study.
Brain Commun
January 2025
Department of Clinical Psychology and Psychobiology, Universidade de Santiago de Compostela (USC), Santiago de Compostela 15782, Spain.
Previous research has revealed patterns of brain atrophy in subjective cognitive decline, a potential preclinical stage of Alzheimer's disease. However, the involvement of myelin content and microstructural alterations in subjective cognitive decline has not previously been investigated. This study included three groups of participants recruited from the Compostela Aging Study project: 53 cognitively unimpaired adults, 16 individuals with subjective cognitive decline and hippocampal atrophy and 70 with subjective cognitive decline and no hippocampal atrophy.
View Article and Find Full Text PDFDecreased prefrontal activation during verbal fluency task after repetitive transcranial magnetic stimulation treatment for depression in Alzheimer's disease: a functional near-infrared spectroscopy study.
Front Aging Neurosci
January 2025
Department of Psychiatry, Affiliated Kangning Hospital of Ningbo University, Ningbo, China.
Background: Studies have shown the clinical effects of repetitive transcranial magnetic stimulation (rTMS) on depression in Alzheimer's disease (AD). However, the underlying mechanisms remain poorly understood. The measurement of brain activation links neurobiological and functional aspects but is challenging in patients with dementia.
View Article and Find Full Text PDFInternalizing and externalizing symptoms in individuals with neurofibromatosis type 1: a systematic review and meta-analysis.
Syst Rev
January 2025
Department of Behavioral Sciences and Social Medicine, College of Medicine, Florida State University, 1115 West Call Street, Tallahassee, FL, 32306-4300, USA.
Background: Individuals with neurofibromatosis type 1 (NF1) frequently report psychosocial problems, among which internalizing and externalizing symptoms are the most poorly understood due to limited research and inconsistent evidence. This hinders the overall attendance of their psychosocial needs and has a major impact on their quality of life. Thus, this systematic review and meta-analysis was conducted to synthesize existing findings on the degree to which individuals with NF1 experience internalizing and externalizing symptoms, compared with the unaffected population, and explore moderators of the group disparities.
View Article and Find Full Text PDFThe role of neuroinflammation in PV interneuron impairments in brain networks; implications for cognitive disorders.
Rev Neurosci
January 2025
Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Children's Medical Center Hospital, Dr. Qarib St, Keshavarz Blvd, Tehran 14194, Iran.
Fast spiking parvalbumin (PV) interneuron is an inhibitory gamma-aminobutyric acid (GABA)ergic interneuron diffused in different brain networks, including the cortex and hippocampus. As a key component of brain networks, PV interneurons collaborate in fundamental brain functions such as learning and memory by regulating excitation and inhibition (E/I) balance and generating gamma oscillations. The unique characteristics of PV interneurons, like their high metabolic demands and long branching axons, make them too vulnerable to stressors.
View Article and Find Full Text PDFDeveloping multifactorial dementia prediction models using clinical variables from cohorts in the US and Australia.
Transl Psychiatry
January 2025
Translational Dementia Research Group, Centre for Immunology and Allergy Research, Westmead Institute for Medical Research, Sydney, NSW, 2145, Australia.
Existing dementia prediction models using non-neuroimaging clinical measures have been limited in their ability to identify disease. This study used machine learning to re-examine the diagnostic potential of clinical measures for dementia. Data was sourced from the Australian Imaging, Biomarkers, and Lifestyle Flagship Study of Ageing (AIBL) and the Alzheimer's Disease Neuroimaging Initiative (ADNI).
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