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The Department of Neuropsychiatry deals with a variety of psychiatric disorders which are caused by brain abnormalities or psychological factors. We also try to treat psychiatric patients with physical complications or with organic disorders. Our department provides care for the patients with psychosis, neurosis, or other psychiatric and psychological illness.

Medical services

The department staff consists of about 30 psychiatrists. There are 48 beds for inpatient care. The open ward has 21 beds and the locked ward has 27 beds including 3 seclusion rooms. Our department adopts an advance appointment system for outpatient. In addition to ordinary general outpatient care, the department provides specialized outpatient care for the at risk mental state.

Diagnosis and treatment policy

We offer comprehensive biological and psychosocial evaluations and aim for mental well-being of patients by care including pharmacotherapy, modified electro-convulsive therapy and psychosocial support including occupational therapy, group therapy and social work.


  • Schizophrenia, mood disorders, senile psychiatric disorders, epilepsy
  • Developmental disorders such as autism and attention deficit hyperactivity disorder (ADHD)
  • Diagnosis and treatment of the prodromal stage of schizophrenia
  • Diagnosis and treatment of panic disorder and anxiety disorder
  • Intervention (consultation/ liaison psychiatry) for psychiatric problems in patients with physical disorders

Target diseases

Psychotic disorders such as schizophrenia, mood disorders such as bipolar disorder and depression, senile/ organic psychiatric disorders such as dementia epilepsy, neurotic disorders such as anxiety disorder and panic disorder, stressrelated disorders, developmental disorders such as autism and ADHD.

Advanced treatments/ Specialized treatments

Day Hospital (DH) (psychiatric day care)

Early intervention and social rehabilitation programs designed mainly for patients with schizophrenia are provided.

Occupational therapy

Various programs are available both for inpatients and outpatients.

Modified electroconvulsive therapy

For patients with refractory depression

Optical topography (Near-infrared spectroscopy)

Used as an assist in the differential diagnosis of the depressive state.

Epilepsy monitoring unit (EMU)

The Department of Neuropsychiatry offers a comprehensive assessment program including Prolonged Video EEG Monitoring.

Frequently performed tests

EEG, head CT, MRI, SPECT and near-infrared spectroscopy as well as psychological tests may be performed according to psychiatric symptoms.

Kiyoto Kasai

Kiyoto Kasai


Neuropsychiatry, Center for Brain Imaging in Health and Diseases


M.D. , Ph.D.


Clinical Psychiatry, Early intervention and rehabilitation for schizophrenia, Community mental health

Research Interests

Neuroimaging in psychiatric disorders, Mental health and neuroscience in adolescence


Japanese / English

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Major diseases treated in this department and numbers of in- and outpatients

Classification Total number
1 New patients 847
2 Outpatients 35,155
3 Inpatients 461


Areas of expertise, treatment and examination methods

  1. Early intervention for patients with schizophrenia during the prodromal period
  2. Developmentally disabled clinical assessment, diagnosis
  3. Non-convulsive electrotherapy
  4. Epileptic differential diagnosis (two weeks testing hospitalization)

Numbers of major operations and treatments performed

Name of operation/treatment Number
1 Non-convulsive electrotherapy 252


Numbers of specialized examinations conducted in this department

1 Advanced medical examination using optical topography as an assistive approach to the differential diagnosis of depressive states 101


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