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Eeg Microstates and Balance Parameters for Stroke Discrimination: A Machine Learning Approach.
Brain Topogr
January 2025
Aging and Neuroscience Laboratory (LABEN), Federal University of Paraíba, João Pessoa, PB, Brazil.
Electroencephalography microstates (EEG-MS) show promise to be a neurobiological biomarker in stroke. Thus, the aim of the study was to identify biomarkers to discriminate stroke patients from healthy individuals based on EEG-MS and clinical features using a machine learning approach. Fifty-four participants (27 stroke patients and 27 healthy age and sex-matched controls) were recruited.
View Article and Find Full Text PDFqEEG Neuromarkers of Complex Childhood Trauma in Adolescents.
Clin EEG Neurosci
January 2025
Division of Physiology and Neuroscience, Department of Functional Sciences, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.
Complex childhood trauma (CCT) involves prolonged exposure to severe interpersonal stressors, leading to deficits in executive functioning and self-regulation during adolescence, a critical period for neurodevelopment. While qEEG parameters, particularly alpha oscillations, have been proposed as potential biomarkers for trauma, empirical documentation in developmental samples is limited. .
View Article and Find Full Text PDFEffects on Posture of a Two-Diopter Horizontal Prism Base Out on the Non-Dominant Eye.
J Clin Med
December 2024
Ophthalmology Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, 53100 Siena, Italy.
: Ocular proprioception is implicated in balance control and heterophoria is associated with abnormal posture, though previous research focused mainly on the role of vertical phoria and the use of vertical prisms. This study aims to evaluate whether ocular misalignment and prismatic correction of horizontal phoria affect posture. : Sixty-nine ( = 69) young healthy subjects were included and equally divided by horizontal distance phoria: orthophoria ( = 23), esophoria ( = 23) and exophoria ( = 23).
View Article and Find Full Text PDFThe Effect of Rhythmic Optical Stimulation on Temporal Parameters of Human Sensorimotor Response and Their Relation to the Spectral Characteristics of the Initial EEG.
Bull Exp Biol Med
December 2024
Federal Research Center for Innovator and Emerging Biomedical and Pharmaceutical Technologies, Moscow, Russia.
The effect of optical stimulation at a frequency of 10 Hz (OS) on temporal parameters of sensorimotor activity in healthy subjects (n=32) was studied. The expression of the activation response was determined by the ratio of spectral power values (SPα2, μV) of the high frequency (10-13 Hz) subrange of the α-rhythm of the initial EEG with closed and opened eyes and the frequency of the maximum α-peak (IAPF). A test for simple motor reaction time was performed under normal and OS conditions.
View Article and Find Full Text PDFP300 Event-Related Potential: A Surrogate Marker of Cognitive Dysfunction in Parkinson's Disease Patients with Psychosis.
Ann Indian Acad Neurol
January 2025
Department of Clinical Psychology, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India.
Background And Objectives: Psychosis is one of the major neuropsychiatric non-motor symptoms of Parkinson's disease (PD). Prolonged latency and decreased amplitude of the P300 event-related potential (ERP) is a potential neurophysiologic biomarker of deeper neurocognitive deficits in PD. We aimed to characterize electroencephalogram (EEG)/ERP parameters in PD patients with and without psychosis (PDP and PDNP, respectively), and to determine if such measures could act as endophenotypes for PD-associated psychosis (PDP).
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