• 1548 Citations
  • 22 h-Index
1982 …2020

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2020

Approach-oriented coping strategy level may be related to volume of the whole hippocampus in the elderly

Kida, H., Nakajima, S., Shikimoto, R., Ochi, R., Noda, Y., Tsugawa, S., Fujii, S., Takayama, M., Mimura, M. & Niimura, H., 2020 Apr 1, In : Psychiatry and Clinical Neurosciences. 74, 4, p. 270-276 7 p.

Research output: Contribution to journalArticle

Clozapine response trajectories and predictors of non-response in treatment-resistant schizophrenia: a chart review study

Shah, P., Iwata, Y., Brown, E. E., Kim, J., Sanches, M., Takeuchi, H., Nakajima, S., Hahn, M., Remington, G., Gerretsen, P. & Graff-Guerrero, A., 2020 Feb 1, In : European Archives of Psychiatry and Clinical Neuroscience. 270, 1, p. 11-22 12 p.

Research output: Contribution to journalArticle

Early improvements of individual symptoms as a predictor of treatment response to asenapine in patients with schizophrenia

Ogyu, K., Noda, Y., Yoshida, K., Kurose, S., Masuda, F., Mimura, Y., Nishida, H., Plitman, E., Tarumi, R., Tsugawa, S., Wada, M., Miyazaki, T., Uchida, H., Graff-Guerrero, A., Mimura, M. & Nakajima, S., 2020 Jan 1, (Accepted/In press) In : Neuropsychopharmacology Reports.

Research output: Contribution to journalArticle

Open Access
Open Access
1 Citation (Scopus)

Glutamatergic neurometabolites and cortical thickness in treatment-resistant schizophrenia: Implications for glutamate-mediated excitotoxicity

Shah, P., Plitman, E., Iwata, Y., Kim, J., Nakajima, S., Chan, N., Brown, E. E., Caravaggio, F., Torres, E., Hahn, M., Chakravarty, M. M., Remington, G., Gerretsen, P. & Graff-Guerrero, A., 2020 May, In : Journal of Psychiatric Research. 124, p. 151-158 8 p.

Research output: Contribution to journalArticle

Insight and medication adherence in schizophrenia: An analysis of the CATIE trial

Kim, J., Ozzoude, M., Nakajima, S., Shah, P., Caravaggio, F., Iwata, Y., De Luca, V., Graff-Guerrero, A. & Gerretsen, P., 2020 May 15, In : Neuropharmacology. 168, 107634.

Research output: Contribution to journalArticle

Levels of glutamatergic neurometabolites in patients with severe treatment-resistant schizophrenia: a proton magnetic resonance spectroscopy study

Tarumi, R., Tsugawa, S., Noda, Y., Plitman, E., Honda, S., Matsushita, K., Chavez, S., Sawada, K., Wada, M., Matsui, M., Fujii, S., Miyazaki, T., Chakravarty, M. M., Uchida, H., Remington, G., Graff-Guerrero, A., Mimura, M. & Nakajima, S., 2020 Mar 1, In : Neuropsychopharmacology. 45, 4, p. 632-640 9 p.

Research output: Contribution to journalArticle

Neuroanatomical profiles of treatment-resistance in patients with schizophrenia spectrum disorders

Kim, J., Plitman, E., Iwata, Y., Nakajima, S., Mar, W., Patel, R., Chavez, S., Chung, J. K., Caravaggio, F., Chakravarty, M. M., Remington, G., Gerretsen, P. & Graff-Guerrero, A., 2020 Apr 20, In : Progress in Neuro-Psychopharmacology and Biological Psychiatry. 99, 109839.

Research output: Contribution to journalArticle

Visualization of AMPA receptors in living human brain with positron emission tomography

Miyazaki, T., Nakajima, W., Hatano, M., Shibata, Y., Kuroki, Y., Arisawa, T., Serizawa, A., Sano, A., Kogami, S., Yamanoue, T., Kimura, K., Hirata, Y., Takada, Y., Ishiwata, Y., Sonoda, M., Tokunaga, M., Seki, C., Nagai, Y., Minamimoto, T., Kawamura, K. & 17 others, Zhang, M. R., Ikegaya, N., Iwasaki, M., Kunii, N., Kimura, Y., Yamashita, F., Taguri, M., Tani, H., Nagai, N., Koizumi, T., Nakajima, S., Mimura, M., Yuzaki, M., Kato, H., Higuchi, M., Uchida, H. & Takahashi, T., 2020 Feb 1, In : Nature medicine. 26, 2, p. 281-288 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

White matter microstructural organizations in patients with severe treatment-resistant schizophrenia: A diffusion tensor imaging study

Ochi, R., Noda, Y., Tsuchimoto, S., Tarumi, R., Honda, S., Matsushita, K., Tsugawa, S., Plitman, E., Masuda, F., Ogyu, K., Wada, M., Miyazaki, T., Fujii, S., Chakravarty, M. M., Graff-Guerrero, A., Uchida, H., Mimura, M. & Nakajima, S., 2020 Jun 8, In : Progress in Neuro-Psychopharmacology and Biological Psychiatry. 100, 109871.

Research output: Contribution to journalArticle

2019

Can we predict amyloid deposition by objective cognition and regional cerebral blood flow in patients with subjective cognitive decline?

Funaki, K., Nakajima, S., Noda, Y., Wake, T., Ito, D., Yamagata, B., Yoshizaki, T., Kameyama, M., Nakahara, T., Murakami, K., Jinzaki, M., Mimura, M. & Tabuchi, H., 2019 Jan 1, (Accepted/In press) In : Psychogeriatrics.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Clinical effectiveness of repetitive transcranial magnetic stimulation treatment in children and adolescents with neurodevelopmental disorders: A systematic review

Masuda, F., Nakajima, S., Miyazaki, T., Tarumi, R., Ogyu, K., Wada, M., Tsugawa, S., Croarkin, P. E., Mimura, M. & Noda, Y., 2019 Jan 1, (Accepted/In press) In : Autism.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Modulation of brain activity with transcranial direct current stimulation: Targeting regions implicated in impaired illness awareness in schizophrenia

Kim, J., Plitman, E., Nakajima, S., Alshehri, Y., Iwata, Y., Chung, J. K., Caravaggio, F., Menon, M., Blumberger, D. M., Pollock, B. G., Remington, G., De Luca, V., Graff-Guerrero, A. & Gerretsen, P., 2019 Sep 1, In : European Psychiatry. 61, p. 63-71 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Relationships between internet addiction and clinicodemographic and behavioral factors

ElSalhy, M., Miyazaki, T., Noda, Y., Nakajima, S., Nakayama, H., Mihara, S., Kitayuguchi, T., Higuchi, S., Muramatsu, T. & Mimura, M., 2019 Jan 1, In : Neuropsychiatric Disease and Treatment. 15, p. 739-752 14 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Subiculum volumes associated with memory function in the oldest-old individuals aged 95 years and older

Eguchi, Y., Noda, Y., Nakajima, S., Tsugawa, S., Kida, H., Plitman, E., Graff-Guerrero, A., Chakravarty, M. M., Takayama, M., Arai, Y., Matsuda, H., Mimura, M. & Niimura, H., 2019 Jan 1, In : Geriatrics and Gerontology International.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

Amotivation is associated with smaller ventral striatum volumes in older patients with schizophrenia

Caravaggio, F., Fervaha, G., Iwata, Y., Plitman, E., Chung, J. K., Nakajima, S., Mar, W., Gerretsen, P., Kim, J., Chakravarty, M. M., Mulsant, B., Pollock, B., Mamo, D., Remington, G. & Graff-Guerrero, A., 2018 Mar 1, In : International Journal of Geriatric Psychiatry. 33, 3, p. 523-530 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Association between Neuropsychiatric Improvement and Neurocognitive Change in Alzheimer's Disease: Analysis of the CATIE-AD Study

Nagata, T., Shinagawa, S., Nakajima, S., Mimura, M. & Shigeta, M., 2018 Jan 1, In : Journal of Alzheimer's disease : JAD. 66, 1, p. 139-148 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Correlates of neurocognitive functions in individuals at ultra-high risk for psychosis - A 6-month follow-up study

Sanada, K., de Azúa, S. R., Nakajima, S., Alberich, S., Ugarte, A., Zugasti, J., Vega, P., Martínez-Cengotitabengoa, M. & González-Pinto, A., 2018 Oct 1, In : Psychiatry Research. 268, p. 1-7 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Effect of Education on Alzheimer's Disease-Related Neuroimaging Biomarkers in Healthy Controls, and Participants with Mild Cognitive Impairment and Alzheimer's Disease: A Cross-Sectional Study

Wada, M., Noda, Y., Shinagawa, S., Chung, J. K., Sawada, K., Ogyu, K., Tarumi, R., Tsugawa, S., Miyazaki, T., Yamagata, B., Graff-Guerrero, A., Mimura, M. & Nakajima, S., 2018 Jan 1, In : Journal of Alzheimer's Disease. 63, 2, p. 861-869 9 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Glutamatergic neurometabolite levels in major depressive disorder: a systematic review and meta-analysis of proton magnetic resonance spectroscopy studies

Moriguchi, S., Takamiya, A., Noda, Y., Horita, N., Wada, M., Tsugawa, S., Plitman, E., Sano, Y., Tarumi, R., ElSalhy, M., Katayama, N., Ogyu, K., Miyazaki, T., Kishimoto, T., Graff-Guerrero, A., Meyer, J. H., Blumberger, D. M., Daskalakis, Z. J., Mimura, M. & Nakajima, S., 2018 Jan 1, (Accepted/In press) In : Molecular Psychiatry.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Glutamatergic Neurometabolite Levels in Patients With Ultra-Treatment-Resistant Schizophrenia: A Cross-Sectional 3T Proton Magnetic Resonance Spectroscopy Study

Iwata, Y., Nakajima, S., Plitman, E., Caravaggio, F., Kim, J., Shah, P., Mar, W., Chavez, S., De Luca, V., Mimura, M., Remington, G., Gerretsen, P. & Graff-Guerrero, A., 2018 Jan 1, (Accepted/In press) In : Biological Psychiatry.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Neuroimaging correlates of narcolepsy with cataplexy: A systematic review

Wada, M., Mimura, M., Noda, Y., Takasu, S., Plitman, E., Honda, M., Natsubori, A., Ogyu, K., Tarumi, R., Graff-Guerrero, A. & Nakajima, S., 2018 Jan 1, (Accepted/In press) In : Neuroscience Research.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Pharmacotherapy for Alzheimer’s disease: a perspective on treatment strategies in Japan

Nagata, T., Nakajima, S., Shinagawa, S., Noda, Y. & Mimura, M., 2018 Jan 1, (Accepted/In press) In : Expert Opinion on Pharmacotherapy.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Striatal neurometabolite levels in patients with schizophrenia undergoing long-term antipsychotic treatment: A proton magnetic resonance spectroscopy and reliability study

Plitman, E., Chavez, S., Nakajima, S., Iwata, Y., Chung, J. K., Caravaggio, F., Kim, J., Alshehri, Y., Chakravarty, M. M., De Luca, V., Remington, G., Gerretsen, P. & Graff-Guerrero, A., 2018 Mar 30, In : Psychiatry Research - Neuroimaging. 273, p. 16-24 9 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2017

Anosognosia g pIS an independent py g predictor of conversion y From mild cognitive impairment to Alzheimer’s disease and is associated with reduced brain metabolism

Alzheimer’s Disease Neuroimaging Initiative, 2017 Nov 1, In : Journal of Clinical Psychiatry. 78, 9, p. e1187-e1196

Research output: Contribution to journalArticle

9 Citations (Scopus)

Baseline predictors of antipsychotic treatment continuation and response at week 8 in patients with Alzheimer's disease with psychosis or aggressive symptoms: An analysis of the CATIE-AD study

Nagata, T., Nakajima, S., Shinagawa, S., Plitman, E., Nakayama, K., Graff-Guerrero, A. & Mimura, M., 2017, In : Journal of Alzheimer's Disease. 60, 1, p. 263-272 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Cognition and Dopamine D2 Receptor Availability in the Striatum in Older Patients with Schizophrenia

Rajji, T. K., Mulsant, B. H., Nakajima, S., Caravaggio, F., Suzuki, T., Uchida, H., Gerretsen, P., Mar, W., Pollock, B. G., Mamo, D. C. & Graff-Guerrero, A., 2017 Jan 1, In : American Journal of Geriatric Psychiatry. 25, 1, p. 1-10 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Corticotropin-releasing hormone and dopamine release in healthy individuals

Payer, D., Williams, B., Mansouri, E., Stevanovski, S., Nakajima, S., Le Foll, B., Kish, S., Houle, S., Mizrahi, R., George, S. R., George, T. P. & Boileau, I., 2017 Feb 1, In : Psychoneuroendocrinology. 76, p. 192-196 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Exploring the relationship between social attachment and dopamine D2/3 receptor availability in the brains of healthy humans using [11C]-(+)-PHNO

Caravaggio, F., Chung, J. K., Gerretsen, P., Fervaha, G., Nakajima, S., Plitman, E., Iwata, Y., Wilson, A. & Graff-Guerrero, A., 2017 Mar 4, In : Social Neuroscience. 12, 2, p. 163-173 11 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Hippocampal and Clinical Trajectories of Mild Cognitive Impairment with Suspected Non-Alzheimer's Disease Pathology

Chung, J. K., Plitman, E., Nakajima, S., Caravaggio, F., Iwata, Y., Gerretsen, P., Kim, J., Takeuchi, H., Shinagawa, S., Patel, R., Chakravarty, M. M. & Graff-Guerrero, A., 2017, In : Journal of Alzheimer's Disease. 58, 3, p. 747-762 16 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Impaired illness awareness and leftward visuospatial inattention in schizophrenia are attributable to a common neural deficit – Posterior parietal hemispheric imbalance

Kim, J., Plitman, E., Nakajima, S., Chung, J. K., Alshehri, Y., Iwata, Y., Caravaggio, F., Pollock, B. G., Pothier, D., Graff-Guerrero, A. & Gerretsen, P., 2017 Mar 1, In : Medical Hypotheses. 100, p. 19-22 4 p.

Research output: Contribution to journalArticle

Intranasal oxytocin does not modulate jumping to conclusions in schizophrenia: Potential interactions with caudate volume and baseline social functioning

Caravaggio, F., Gerretsen, P., Mar, W., Chung, J. K., Plitman, E., Nakajima, S., Kim, J., Iwata, Y., Patel, R., Chakravarty, M. M., Remington, G., Graff-Guerrero, A. & Menon, M., 2017 Jul 1, In : Psychoneuroendocrinology. 81, p. 80-87 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Investigating the effects of norepinephrine α1 receptor blockade on dopamine levels: A pilot PET study with [11C]-(+)-PHNO in controls

Le Foll, B., Thiruchselvam, T., Lu, S. X., Mohammed, S., Mansouri, E., Lagzdins, D., Nakajima, S., Wilson, A. A., Graff-Guerrero, A., Di Ciano, P. & Boileau, I., 2017 Jul 1, In : Synapse. 71, 7, e21968.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Self-rated cognitive functions following chemotherapy in patients with breast cancer: A 6-month prospective study

Kitahata, R., Nakajima, S., Uchida, H., Hayashida, T., Takahashi, M., Nio, S., Hirano, J., Nagaoka, M., Suzuki, T., Jinno, H., Kitagawa, Y. & Mimura, M., 2017 Oct 3, In : Neuropsychiatric Disease and Treatment. 13, p. 2489-2496 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

The Effects of Cortical Hypometabolism and Hippocampal Atrophy on Clinical Trajectories in Mild Cognitive Impairment with Suspected Non-Alzheimer's Pathology: A Brief Report

Chung, J. K., Plitman, E., Nakajima, S., Caravaggio, F., Shinagawa, S., Iwata, Y., Gerretsen, P., Kim, J., Takeuchi, H., Patel, R., Chakravarty, M. M., Strafella, A. & Graff-Guerrero, A., 2017, In : Journal of Alzheimer's Disease. 60, 2, p. 341-347 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Treatment-ResistantSchizophrenia: TreatmentResponse and Resistance in Psychosis (TRRIP) Working Group Consensus Guidelines on Diagnosis and Terminology

Howes, O. D., McCutcheon, R., Agid, O., De Bartolomeis, A., Van Beveren, N. J. M., Birnbaum, M. L., Bloomfield, M. A. P., Bressan, R. A., Buchanan, R. W., Carpenter, W. T., Castle, D. J., Citrome, L., Daskalakis, Z. J., Davidson, M., Drake, R. J., Dursun, S., Ebdrup, B. H., Elkis, H., Falkai, P., Fleischacker, W. W. & 31 others, Gadelha, A., Gaughran, F., Glenthøj, B. Y., Graff-Guerrero, A., Hallak, J. E. C., Honer, W. G., Kennedy, J., Kinon, B. J., Lawrie, S. M., Lee, J., Leweke, F. M., MacCabe, J. H., McNabb, C. B., Meltzer, H., Möller, H. J., Nakajima, S., Pantelis, C., Marques, T. R., Remington, G., Rossell, S. L., Russell, B. R., Siu, C. O., Suzuki, T., Sommer, I. E., Taylor, D., Thomas, N., Üçok, A., Umbricht, D., Walters, J. T. R., Kane, J. & Correll, C. U., 2017 Mar, In : American Journal of Psychiatry. 174, 3, p. 216-229 14 p.

Research output: Contribution to journalArticle

196 Citations (Scopus)
2016
6 Citations (Scopus)

Classification of Neuropsychiatric Symptoms Requiring Antipsychotic Treatment in Patients with Alzheimer's Disease: Analysis of the CATIE-AD Study

Nagata, T., Shinagawa, S., Nakajima, S., Plitman, E., Mihashi, Y., Hayashi, S., Mimura, M. & Nakayama, K., 2016 Feb 2, In : Journal of Alzheimer's Disease. 50, 3, p. 839-845 7 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Depressive symptoms and small hippocampal volume accelerate the progression to dementia from mild cognitive impairment

Chung, J. K., Plitman, E., Nakajima, S., Mallar Chakravarty, M., Caravaggio, F., Takeuchi, H., Gerretsen, P., Iwata, Y., Patel, R., Mulsant, B. H. & Graff-Guerrero, A., 2016, In : Journal of Alzheimer's Disease. 49, 3, p. 743-754 12 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Dopamine D2/3 Receptor Occupancy Following Dose Reduction Is Predictable with Minimal Plasma Antipsychotic Concentrations: An Open-Label Clinical Trial

Nakajima, S., Uchida, H., Bies, R. R., Caravaggio, F., Suzuki, T., Plitman, E., Mar, W., Gerretsen, P., Pollock, B. G., Mulsant, B. H., Mamo, D. C. & Graff-Guerrero, A., 2016 Jan 1, In : Schizophrenia Bulletin. 42, 1, p. 212-219 8 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
7 Citations (Scopus)

Exploring personality traits related to dopamine D2/3 receptor availability in striatal subregions of humans

Caravaggio, F., Fervaha, G., Chung, J. K., Gerretsen, P., Nakajima, S., Plitman, E., Iwata, Y., Wilson, A. & Graff-Guerrero, A., 2016 Apr 1, In : European Neuropsychopharmacology. 26, 4, p. 644-652 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Lack of association between dopaminergic antagonism and negative symptoms in schizophrenia: a positron emission tomography dopamine D2/3 receptor occupancy study

Fervaha, G., Caravaggio, F., Mamo, D. C., Mulsant, B. H., Pollock, B. G., Nakajima, S., Gerretsen, P., Rajji, T. K., Mar, W., Iwata, Y., Plitman, E., Chung, J. K., Remington, G. & Graff-Guerrero, A., 2016 Oct 1, In : Psychopharmacology. 233, 21-22, p. 3803-3813 11 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Occupancy of Dopamine D3 and D2 Receptors by Buspirone: A [11C]-(+)-PHNO PET Study in Humans

Le Foll, B., Payer, D., Di Ciano, P., Guranda, M., Nakajima, S., Tong, J., Mansouri, E., Wilson, A. A., Houle, S., Meyer, J. H., Graff-Guerrero, A. & Boileau, I., 2016 Jan 1, In : Neuropsychopharmacology. 41, 2, p. 529-537 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
10 Citations (Scopus)

Relapse of ileus in patients with psychiatric disorders: A 2-year chart review

Kitahata, R., Nakajima, S., Suzuki, T., Plitman, E., Mimura, M. & Uchida, H., 2016 Jan 1, In : General Hospital Psychiatry. 38, p. 31-36 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

The effect of striatal dopamine depletion on striatal and cortical glutamate: A mini-review

Caravaggio, F., Nakajima, S., Plitman, E., Gerretsen, P., Chung, J. K., Iwata, Y. & Graff-Guerrero, A., 2016 Feb 4, In : Progress in Neuro-Psychopharmacology and Biological Psychiatry. 65, p. 49-53 5 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Threshold of dopamine D2/3 receptor occupancy for hyperprolactinemia in older patients with schizophrenia

Iwata, Y., Nakajima, S., Caravaggio, F., Suzuki, T., Uchida, H., Plitman, E., Chung, J. K., Mar, W., Gerretsen, P., Pollock, B. G., Mulsant, B. H., Rajji, T. K., Mamo, D. C. & Graff-Guerrero, A., 2016 Dec 1, In : Journal of Clinical Psychiatry. 77, 12, p. e1557-e1563

Research output: Contribution to journalArticle

6 Citations (Scopus)