Masayoshi Oguri

ORCID: 0000-0001-8189-6731
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About
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Research Areas
  • EEG and Brain-Computer Interfaces
  • Functional Brain Connectivity Studies
  • Epilepsy research and treatment
  • Infectious Encephalopathies and Encephalitis
  • Retinal Development and Disorders
  • Neonatal and fetal brain pathology
  • Vestibular and auditory disorders
  • Respiratory Support and Mechanisms
  • Neurogenetic and Muscular Disorders Research
  • Amyotrophic Lateral Sclerosis Research
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Delphi Technique in Research
  • Advanced Neuroimaging Techniques and Applications
  • Neural dynamics and brain function
  • Bacterial Infections and Vaccines
  • Muscle activation and electromyography studies
  • Genomic variations and chromosomal abnormalities
  • Neuroscience of respiration and sleep
  • Metabolism and Genetic Disorders
  • Ophthalmology and Visual Impairment Studies
  • Ocular Disorders and Treatments
  • Cellular transport and secretion
  • Chromatin Remodeling and Cancer
  • Machine Learning in Healthcare
  • Genomics and Rare Diseases

Kagawa Prefectural College of Health Sciences
2020-2024

Tottori University
2016-2021

Tottori University Hospital
2016-2021

University of Health Science
2021

University of Health Sciences
2021

Tenri Health Care University
2021

To clarify the differences in diaphragm thickness between male and female participants healthy young adults with ultrasonography using mean intima media (IMT) method to investigate relationship respiratory pressure.Twenty-nine individuals (16 females 13 males) participated study. Diaphragm was measured at total lung capacity (TLC) functional residual (FRC) each participant. We a for thickness. Moreover, change ratio of calculated TLC FRC.Mean thicknesses FRC males were significantly narrower...

10.1186/s12880-022-00748-y article EN cc-by BMC Medical Imaging 2022-02-11

This study aims to delineate the electrophysiological variances between patients with infantile epileptic spasms syndrome (IESS) and healthy controls devise a predictive model for long-term seizure outcomes.

10.1016/j.clinph.2024.08.016 article EN cc-by-nc-nd Clinical Neurophysiology 2024-08-30

Abstract We aimed to analyse the ictal electrographic changes on scalp electroencephalography (EEG), focusing high-voltage slow waves (HVSs) in children with epileptic spasms (ES) and tonic (TS) then identified factors associated corpus callosotomy (CC) outcomes. enrolled 17 patients ES/TS who underwent CC before 20 years of age. Post-CC Engel’s classification was as follows: I 7 patients, II 2, III 4, IV 4. Welch’s t-test used correlation between HVSs outcomes based following three...

10.1038/s41598-019-56303-3 article EN cc-by Scientific Reports 2019-12-24

Objective: We aimed to clarify the patterns of ictal power and phase lag among bilateral hemispheres on scalp electroencephalography (EEG) recorded pre-operatively during epileptic spasms (ESs) correlation with outcomes following corpus callosotomy. Methods: enrolled 17 patients who underwent callosotomy for ESs before 20 years age. After callosotomy, seven did not experience further (favorable outcome group), remaining 10 had ongoing (unfavorable group). used pre-operative EEG data from...

10.3389/fneur.2020.576087 article EN cc-by Frontiers in Neurology 2020-12-15

Childhood epilepsy with centrotemporal spikes (CECTS) is the most common syndrome in school-aged children. However, predictors for seizure frequency are yet to be clarified using phase lag index (PLI) analyses. We investigated PLI of scalp electroencephalography data at onset identify potential predictive markers times.We compared PLIs 13 patients CECTS and age- sex-matched healthy controls. For analysis, we used resting-state (excluding paroxysmal discharges), analyzed mean among all...

10.33160/yam.2023.02.006 article EN Yonago acta medica 2023-01-01

We report an 8-year-old girl who experienced daily episodes of visual and somesthetic distortion was diagnosed with Alice in wonderland syndrome (AIWS). Ophthalmologic assessment revealed best-corrected acuity 0.2 both eyes, bilateral constricted tubular or spiral fields. Augmented amplitude visually evoked potentials revealed, treatment lomerizine valproate showed favorable effect on the visual/somesthetic as well field acuity. Psychogenic problems can co-exist typical sensory AIWS,...

10.33160/yam.2019.03.023 article EN Yonago acta medica 2019-01-01

Corpus callosotomy (CC) is the surgical strategy for drug-resistant epileptic seizures including spasms (ES). In this study we report a subtype of ES which accompanied by two consecutive muscular contractions. This has not been previously classified and may emerge via complex network. We named these "epileptic with biphasic contractions (ES-BMC)" analyzed association between them CC outcomes. enrolled 17 patients who underwent before 20 years age, records long-term video-electroencephalogram...

10.3389/fneur.2020.00232 article EN cc-by Frontiers in Neurology 2020-04-02

This study aimed to determine whether more stable electroretinography parameters could be obtained in younger children using skin electrodes placed at the inner canthus and ears compared contact lens electrodes. The included three Japanese patients (two girls one boy) who presented with epileptic spasms before age of 3 years. We record reproducible results ERG a montage ear children. Moreover, standard data for were created, enabling evaluation recorded individual pediatric patients. new may...

10.33160/yam.2024.08.013 article EN Yonago acta medica 2024-01-01

Background/Objectives: Continuous positive airway pressure (CPAP) is used to treat patients with obstructive sleep apnea (OSA) and has proven clinical efficacy for this condition. However, the objective method determine appropriate CPAP level treatment still unclear. Patients OSA typically exhibit irregular respiratory efforts due obstruction or narrowing of upper during sleep. Treatment an adequate alleviates narrowing, leading more regular patterns. We aimed develop titration using...

10.3390/jcm13247603 article EN Journal of Clinical Medicine 2024-12-13

Acute encephalopathy (AE) is mainly reported in East Asia and, most cases, results from pediatric viral infections, leading to fever, seizure, and loss of consciousness. Cerebral edema the important pathological symptom AE. At present, AE classified into four categories based on clinical pathophysiological features, cytokine storm-induced severest among them. The pathogenesis currently unclear; this can be attributed lack a simple convenient animal model for research. Here, we hypothesized...

10.1177/1535370219846497 article EN Experimental Biology and Medicine 2019-05-02

It is not concluded whether the association between olfactory dysfunction and REM sleep behavior disorder (RBD) were worsen cognitive function in patients with Parkinson's disease (PD). We sought to evaluate impact of these symptoms PD.

10.1016/j.ensci.2020.100261 article EN cc-by-nc-nd eNeurologicalSci 2020-08-03

Abstract Pitt‐Hopkins syndrome is a rare genetic disease, characterised by severe intellectual disability, distinctive dysmorphic features, epilepsy and breathing abnormalities during wakefulness. Here, we describe the case of 22‐year‐old woman with who presented intractable generalised tonic seizures from age 11 years, which increased in frequency onset menstruation despite usage some anticonvulsant drugs. From 16 polysomnography video‐EEG led to detection frequent epileptic apnoea sleep....

10.1684/epd.2020.1212 article EN Epileptic Disorders 2020-10-01

This study aims to elucidate the effect of isolated cerebellar lesions sparing brainstem on auditory responses in children.We enrolled 10 children (aged 1-16 years) with neuroimaging but lacking clinical involvement signs and normal volumes magnetic resonance imaging.The interpeak latency waves I V was 9 patients marginally prolonged 1 patient. While amplitudes III were normal, we noted a decreased amplitude wave and/or an increased I/V ratio 6 patients; these included 5 8 hypoplasia/atrophy...

10.33160/yam.2018.12.005 article EN Yonago acta medica 2018-01-01

Recent medical analytical studies have focused on the phase lag index (PLI) to analyze functional connectivity of brain. This paper assumes that PLI contains informative characteristics for automatically identifying electroencephalogram (EEG) signals epilepsy patients. We propose a method distinguishing between epileptic seizure and non-seizure EEG using histograms acquired from short period, randomly sampled longer recordings, in different brain regions. demonstrate ability identify...

10.1109/gcce53005.2021.9622018 article EN 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE) 2021-10-12
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