Shimako Nishiyama
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Explore the profile of Shimako Nishiyama including associated specialties, affiliations and a list of published articles.
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32
Citations
230
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Recent Articles
1.
Sasabayashi D, Tsugawa S, Nakajima S, Takahashi T, Takayanagi Y, Koike S, et al.
Prog Neuropsychopharmacol Biol Psychiatry
. 2024 Nov;
136():111197.
PMID: 39579961
An anomalous pattern of structural covariance has been reported in schizophrenia, which has been suggested to represent connectome changes during brain maturation and neuroprogressive processes. It remains unclear whether similar...
2.
Takahashi T, Katagiri N, Higuchi Y, Nishiyama S, Arai Y, Tagata H, et al.
Schizophr Res
. 2024 Apr;
267:373-380.
PMID: 38631112
Background: Labeling terms for high-risk state for psychosis, such as 'ultra-high risk' (UHR), 'attenuated psychosis syndrome' (APS), and 'at-risk mental state' (ARMS), have been criticized for their potential to lead...
3.
Takahashi T, Sasabayashi D, Takayanagi Y, Higuchi Y, Mizukami Y, Akasaki Y, et al.
Front Psychiatry
. 2023 Jul;
14:1192854.
PMID: 37476540
Introduction: Since the number of insular gyri is higher in schizophrenia patients, it has potential as a marker of early neurodevelopmental deviations. However, it currently remains unknown whether the features...
4.
Nishiyama S, Kurachi M, Higuchi Y, Takahashi T, Sasabayashi D, Mizukami Y, et al.
J Psychiatr Res
. 2022 Jan;
147:212-220.
PMID: 35065511
Background: The onset of schizophrenia is often preceded by a prodromal phase. However, it is difficult to predict the future transition to schizophrenia from the prodromal symptoms. Based on the...
5.
Nakajima S, Higuchi Y, Tateno T, Sasabayashi D, Mizukami Y, Nishiyama S, et al.
Front Psychiatry
. 2021 Dec;
12:777378.
PMID: 34899430
Remission in schizophrenia patients is associated with neurocognitive, social, and role functioning during both the early and chronic stages of schizophrenia. It is well-established that the amplitudes of duration mismatch...
6.
Takayanagi Y, Kulason S, Sasabayashi D, Takahashi T, Katagiri N, Sakuma A, et al.
Cereb Cortex
. 2021 Oct;
32(10):2245-2253.
PMID: 34649274
Although some individuals with at-risk mental states (ARMS) develop overt psychosis, surrogate markers which can reliably predict a future onset of psychosis are not well established. The dorsal lateral prefrontal...
7.
Takahashi T, Sasabayashi D, Takayanagi Y, Higuchi Y, Mizukami Y, Akasaki Y, et al.
Neuroimage Clin
. 2021 Aug;
32:102805.
PMID: 34461434
Background: Magnetic resonance imaging (MRI) studies reported pineal gland atrophy in schizophrenia patients and individuals at a clinical high risk of developing psychosis, implicating abnormalities in melatonin secretion in the...
8.
Sasabayashi D, Takayanagi Y, Takahashi T, Nishiyama S, Mizukami Y, Katagiri N, et al.
Transl Psychiatry
. 2021 Jul;
11(1):396.
PMID: 34282119
Although widespread cortical thinning centered on the fronto-temporal regions in schizophrenia has been reported, the findings in at-risk mental state (ARMS) patients have been inconsistent. In addition, it remains unclear...
9.
Takahashi T, Sasabayashi D, Takayanagi Y, Higuchi Y, Mizukami Y, Nishiyama S, et al.
Front Behav Neurosci
. 2021 May;
15:647069.
PMID: 33958991
An increased prevalence of duplicated Heschl's gyrus (HG), which may reflect an early neurodevelopmental pathology, has been reported in schizophrenia (Sz). However, it currently remains unclear whether individuals at risk...
10.
Higuchi Y, Sumiyoshi T, Tateno T, Nakajima S, Sasabayashi D, Nishiyama S, et al.
J Pers Med
. 2021 Apr;
11(5).
PMID: 33919276
We measured P300, an event-related potential, in subjects with at-risk mental states (ARMS) and aimed to determine whether P300 parameter can predict progression to overt schizophrenia. Thirty-three subjects with ARMS,...