Research Topics
| T MuraiSummaryAffiliation: Kyoto University Country: Japan Publications
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Detail Information
Publications
Functional activity related to risk anticipation during performance of the Iowa Gambling TaskHiroki Fukui
Department of Neuropsychiatry, Kyoto University Graduate School of Medicine, Kyoto University, Kyoto 606, Japan
Neuroimage 24:253-9. 2005..These results indicate that the Iowa Gambling Task does recruit the neural circuitry that is critical in decision making under uncertainty, particularly when subjects perceive the risk of their decision...- The neural basis of social tactics: An fMRI studyHiroki Fukui
Department of Neuropsychiatry, Kyoto University Graduate School of Medicine, Shogoin Kawaharacho 54, Kyoto 606, Japan
Neuroimage 32:913-20. 2006.... - Insular volume reduction in schizophreniaTeruyasu Saze
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, Kyoto 606 8507, Japan
Eur Arch Psychiatry Clin Neurosci 257:473-9. 2007..Each subdivisional abnormality may impact on different aspects of the pathophysiology and psychopathology of schizophrenia; these relationships should be the focus of future research... 
Structural abnormalities of the adhesio interthalamica and mediodorsal nuclei of the thalamus in schizophreniaMitsuaki Shimizu
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, Sakyo ku, Kyoto 606 8507, Japan
Schizophr Res 101:331-8. 2008..We assessed the volumes of mediodorsal nuclei (MDN) of thalami, level of AI development, and their interrelationship, in patients with schizophrenia...- In vivo evidence for differential association of striatal dopamine and midbrain serotonin systems with neuropsychiatric symptoms in Parkinson's diseaseT Murai
Max Planck Institute of Cognitive Neurosciences, Lepzig, Germany
J Neuropsychiatry Clin Neurosci 13:222-8. 2001..These findings indicate that degeneration of the nigrostriatal dopaminergic neurons and a dysfunctional serotonergic raphe system contribute differentially to motor deficits and neuropsychiatric symptoms in Parkinson's disease... - Paramnesic multiplication of autobiographical memory as a manifestation of interictal psychosisToshiya Murai
Department of Psychiatry, Faculty of Medicine, Kyoto University, Kyoto, Japan
Psychopathology 36:49-51. 2003..We attempted to explain the pathophysiological mechanism of the patient's paramnesia in the framework of the current neurobiological theory of human memory... - Rapid cycling bipolar disorder after left temporal polar damageToshiya Murai
Department of Psychiatry, Faculty of Medicine, Kyoto University, Kyoto, Japan
Brain Inj 17:355-8. 2003..Case reports of rapid cycling bipolar disorder after traumatic brain injury are very rare and this case supports the idea that temporal polar dysfunction is a candidate for the neurobiological basis of rapid cycling bipolar disorder... - Dreamy states and psychoses in temporal lobe epilepsy: mediating role of affectA Sengoku
Department of Psychiatry, Faculty of Medicine, Kyoto University, Japan
Psychiatry Clin Neurosci 51:23-6. 1997..Based on these results, we discuss the possibility that repeated negative feelings associated with jamais vu are one of the causes for developing epileptic psychoses... - Structure-activity relationship study of host-specific phytotoxins (AM-toxin analogs) using a new assay method with leaves from apple meristem cultureM Miyashita
Graduate School of Agriculture, Kyoto University, Japan
Z Naturforsch C 56:1029-37. 2001..These findings are important for designing ligands for further experimental probing of the nature of the receptor... - Emotional cognition without awareness after unilateral temporal lobectomy in humansY Kubota
Department of Neuropsychiatry, Faculty of Medicine, Kyoto University, Kyoto, Japan
J Neurosci 20:RC97. 2000..Medial temporal structures, including the amygdala, thus appear to play a critical role in the neural substrates for this automatic processing... - Social cognition and frontal lobe pathology in schizophrenia: a voxel-based morphometric studyMakiko Yamada
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, 54 Kawara cho, Shogoin, Sakyo ku, Kyoto 606 8507, Japan
Neuroimage 35:292-8. 2007..This study provides the neurobiological correlates of social dysfunction in schizophrenia and links structural abnormalities with impaired social cognitive abilities... - Anterior cingulate pathology and social cognition in schizophrenia: a study of gray matter, white matter and sulcal morphometryHironobu Fujiwara
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, 54 Kawara cho, Shogoin, Sakyo ku, Kyoto 606 8507, Japan
Neuroimage 36:1236-45. 2007..These results suggested that pathology of the ACC, anterior cingulum and PCS/CS is, at least partially, independent and has differential impacts on psychopathology and social cognitive impairment in schizophrenia... - Anterior and posterior cingulum abnormalities and their association with psychopathology in schizophrenia: a diffusion tensor imaging studyHironobu Fujiwara
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, Shogoin, Kyoto 606 8507, Japan
Schizophr Res 95:215-22. 2007..Pathology in the posterior CB would be one of the possible neural underpinnings of positive symptoms in schizophrenia... - Impaired facial emotion recognition and reduced amygdalar volume in schizophreniaChihiro Namiki
Human Brain Research Center, Kyoto University Graduate School of Medicine, Kyoto 606 8507, Japan
Psychiatry Res 156:23-32. 2007..Finally, we found a correlation between left amygdalar volume and the recognition of sadness in facial expressions. This study demonstrated that amygdala dysfunction may contribute to impaired facial emotion recognition in schizophrenia... - Interfrontal commissural abnormality in schizophrenia: tractography-assisted callosal parcellationJun Miyata
Department of Neuropsychiatry, Graduate School of Medicine, Kyoto University, Shogoin Kawaharacho 54, Kyoto 606 8507, Japan
Schizophr Res 97:236-41. 2007..Schizophrenia patients showed smaller anterior/total CC length and area rates. These results suggested interfrontal hypoconnectivity in schizophrenia... - Emotion recognition from facial expressions in a temporal lobe epileptic patient with ictal fearMakiko Yamada
Department of Cognitive and Behavioral Sciences, Kyoto University, Yoshida Nihonmatsu chou, Sakyo ku, Kyoto 606 8501, Japan
Neuropsychologia 43:434-41. 2005..As an underlying mechanism of the pre-surgical skewed perception of emotional stimuli, the abnormal epileptogenic circuits involving a hypersensitive amygdala possibly due to the kindling mechanism were suggested... - Seeing happy emotion in fearful and angry faces: qualitative analysis of facial expression recognition in a bilateral amygdala-damaged patientWataru Sato
Department of Cognitive Psychology in Education, Graduate School of Education, Kyoto University, Kyoto, Japan
Cortex 38:727-42. 2002..More specifically, amygdala-damaged patients seem to give positively biased evaluations for these negative facial expressions... - Severe weight gain induced by combination treatment with risperidone and paroxetineHiroki Fukui
Department of Psychiatry, Obama Public Hospital, Obama, Fukui, Japan
Clin Neuropharmacol 25:269-71. 2002..Regarding the mechanism of severe weight gain in these two patients, we speculate a drug-drug interaction involving inhibition of the cytochrome P450 enzyme 2D6 (CYP4502D6) by paroxetine... - Is correction for age necessary in neuroimaging studies of the central serotonin transporter?Swen Hesse
Department of Nuclear Medicine, University of Leipzig, Germany
Eur J Nucl Med Mol Imaging 30:427-30. 2003..From these results we conclude that age-related changes in SERT density need to be considered in future clinical studies... - Marked improvement of Meige's syndrome with olanzapine in a schizophrenic patientHiroki Fukui
J Neuropsychiatry Clin Neurosci 14:355-6. 2002 - A third arm on the chest: implications for the cortical reorganization theory of phantom limbsYu Sakagami
J Neuropsychiatry Clin Neurosci 14:90-1. 2002 - Classification of psychotic symptoms in dementia with Lewy bodiesYasuhiro Nagahama
Department of Geriatric Neurology, Shiga Medical Center, Moriyama City, Shiga, Japan
Am J Geriatr Psychiatry 15:961-7. 2007..The aim of this study is to determine empirically a possible classification of psychotic symptoms, and identify the frequency of such symptoms in dementia with Lewy bodies (DLB)...