2026 Ryouhei Ishii: Neuroscience Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Neuroscience	37	8781	8111	322	302	184	5807

Overview

Ryouhei Ishii is affiliated with Osaka Metropolitan University in Japan. Their research contributions span key areas of neuroscience and medicine, with a particular focus on cognitive and clinical applications.

The main fields of study in their work include:

Neuroscience (78 publications)
Medicine (49 publications)

Their research also covers several subfields, notably:

Cognitive Neuroscience (68 publications)
Psychiatry and Mental health (12 publications)
Neurology (9 publications)
Clinical Psychology (6 publications)
Cardiology and Cardiovascular Medicine (6 publications)

Ishii's main topics of work focus on:

EEG and Brain-Computer Interfaces (46 publications)
Functional Brain Connectivity Studies (40 publications)
Neural dynamics and brain function (20 publications)
Neural and Behavioral Psychology Studies (16 publications)
Heart Rate Variability and Autonomic Control (10 publications)
Stroke Rehabilitation and Recovery (8 publications)
Dementia and Cognitive Impairment Research (6 publications)

Among recent papers, their research includes:

Withdrawal: Remote Reminiscence Using Immersive Virtual Reality May Be Efficacious for Reducing Anxiety in Patients with Mild Cognitive Impairment Even in COVID-19 Pandemic, 2021, Biological and Pharmaceutical Bulletin
EEG resting-state networks in Alzheimer's disease associated with clinical symptoms, 2023, Scientific Reports
Special Report on the Impact of the COVID-19 Pandemic on Clinical EEG and Research and Consensus Recommendations for the Safe Use of EEG, 2020, Clinical EEG and Neuroscience
Motor-Related Mu/Beta Rhythm in Older Adults: A Comprehensive Review, 2023, Brain Sciences
A deep learning model for the detection of various dementia and MCI pathologies based on resting-state electroencephalography data: A retrospective multicentre study, 2023, Neural Networks

Frequent publication venues for Ishii's work include:

Clinical Neurophysiology (9 publications)
Frontiers in Human Neuroscience (6 publications)
Frontiers in Psychiatry (4 publications)
Clinical EEG and Neuroscience (4 publications)
Scientific Reports (3 publications)

Key collaborators who have coauthored extensively with Ishii are:

Yasuo Naito (21 publications)
Masaya Ueda (20 publications)
Keita Ueno (19 publications)
Masahiro Hata (15 publications)
Yasunori Aoki (10 publications)

Best Publications

Effect of bilingualism on cognitive control in the Simon task: evidence from MEG.

Ellen Bialystok;Fergus I. M. Craik;Cheryl L. Grady;Wilkin Chau

624
Citations
Medial prefrontal cortex generates frontal midline theta rhythm

Ryouhei Ishii;Kazuhiro Shinosaki;Satoshi Ukai;Tsuyoshi Inouye

581
Citations
Functional connectivity assessed by resting state EEG correlates with cognitive decline of Alzheimer’s disease – An eLORETA study

Masahiro Hata;Hiroaki Kazui;Toshihisa Tanaka;Ryouhei Ishii

235
Citations
Resting-state EEG source localization and functional connectivity in schizophrenia-like psychosis of epilepsy.

Leonides Canuet;Ryouhei Ishii;Roberto D. Pascual-Marqui;Masao Iwase

222
Citations
Neuroimaging evidence for cortical involvement in the preparation and in the act of swallowing.

Rainer Dziewas;Peter Sörös;Ryouhei Ishii;Wilkin Chau

214
Citations
Healthy and Pathological Brain Aging: From the Perspective of Oscillations, Functional Connectivity, and Signal Complexity.

Ryouhei Ishii;Leonides Canuet;Yasunori Aoki;Masahiro Hata

201
Citations
Resting-State Network Disruption and APOE Genotype in Alzheimer's Disease: A lagged Functional Connectivity Study

Leonides Canuet;Ivan Tellado;Veronica Couceiro;Carmen Fraile

178
Citations
Frontal midline theta rhythm and gamma power changes during focused attention on mental calculation: an MEG beamformer analysis.

Ryouhei Ishii;Leonides Canuet;Tsutomu Ishihara;Yasunori Aoki

154
Citations
Determination of activation areas in the human auditory cortex by means of synthetic aperture magnetometry

Anthony T Herdman;Andreas Wollbrink;Andreas Wollbrink;Wilkin Chau;Ryouhei Ishii;Ryouhei Ishii

148
Citations
Factors associated with impaired quality of life in younger and older adults with epilepsy.

Leonides Canuet;Ryouhei Ishii;Masao Iwase;Koji Ikezawa

137
Citations
A Novel Palliative Care Approach Using Virtual Reality for Improving Various Symptoms of Terminal Cancer Patients: A Preliminary Prospective, Multicenter Study

Kazuyuki Niki;Yoshiaki Okamoto;Isseki Maeda;Ichiro Mori

125
Citations
Detection of EEG-resting state independent networks by eLORETA-ICA method

Yasunori Aoki;Ryouhei Ishii;Roberto D. Pascual-Marqui;Leonides Canuet

125
Citations
Chronic repetitive transcranial magnetic stimulation increases hippocampal neurogenesis in rats

Eiko Ueyama;Satoshi Ukai;Satoshi Ukai;Asao Ogawa;Masakiyo Yamamoto

123
Citations
Theta rhythm increases in left superior temporal cortex during auditory hallucinations in schizophrenia: a case report.

Ryouhei Ishii;Kazuhiro Shinosaki;Yoshitaka Ikejiri;Satoshi Ukai

117
Citations
Neuroimaging studies in patients with Charles Bonnet Syndrome.

Hiroaki Kazui;Ryouhei Ishii;Tetsuhiko Yoshida;Koji Ikezawa

91
Citations
An integrative MEG–fMRI study of the primary somatosensory cortex using cross-modal correspondence analysis

Matthias Schulz;Matthias Schulz;Wilkin Chau;Simon J. Graham;Anthony R. McIntosh

90
Citations
Cortical oscillatory power changes during auditory oddball task revealed by spatially filtered magnetoencephalography

Ryouhei Ishii;Leonides Canuet;Anthony Herdman;Atsuko Gunji

88
Citations
Frequency-dependent spatial distribution of human somatosensory evoked neuromagnetic fields

Masayuki Hirata;Amami Kato;Masaaki Taniguchi;Hirotomo Ninomiya

85
Citations
Post-movement beta rebound abnormality as indicator of mirror neuron system dysfunction in autistic spectrum disorder: an MEG study.

Eiko Honaga;Ryouhei Ishii;Ryu Kurimoto;Leonides Canuet

85
Citations
Impaired regional hemodynamic response in schizophrenia during multiple prefrontal activation tasks: a two-channel near-infrared spectroscopy study.

Koji Ikezawa;Masao Iwase;Ryouhei Ishii;Michiyo Azechi

79
Citations