Hiroyuki Narita

Yoshio Hirayasu4
Eizo Iseki3
Toshinari Odawara3
Kenji Kosaka3
4Yoshio Hirayasu
3Eizo Iseki
3Toshinari Odawara
3Kenji Kosaka
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Frontal hypoperfusion and frontal dysfunction have been reported in patients with major depression. It was also found that frontal hypoperfusion correlated with frontal dysfunction evaluated by neuropsychological tests in depressive patients aged 60 or over. These findings suggested that depression may cause frontal dysfunction and frontal hypoperfusion,(More)
AIM Although recent studies suggest abnormalities of the cerebral cortex, limbic structures, and brain stem regions in panic disorder (PD), the extent to which the midbrain is associated with PD pathophysiology is unclear. The aim of this study was to investigate structural abnormalities of the midbrain using magnetic resonance imaging and to determine if(More)
One hundred years ago, Kraepelin hypothesized that cerebral damage might cause dementia praecox. Many patients with schizophrenia show progressive clinical deterioration, although the evidence has remained unclear for the organic brain damage. Recently, brain abnormalities have been suggested, including enlargement of the lateral ventricles and reduction of(More)
We report a 53-year-old male patient with late onset mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes(MELAS) with hallucination and delusion. The patient manifested various neurological symptoms including perceptive deafness, muscle weakness of limbs with loss of consciousness, sensory abnormalities in hands, feet and a face,(More)
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