Structural aging of human neurons is the opposite of the changes in schizophrenia

no code implementations • 13 Nov 2022 • Ryuta Mizutani, Rino Saiga, Yoshiro Yamamoto, Masayuki Uesugi, Akihisa Takeuchi, Kentaro Uesugi, Yasuko Terada, Yoshio Suzuki, Vincent De Andrade, Francesco De Carlo, Susumu Takekoshi, Chie Inomoto, Naoya Nakamura, Youta Torii, Itaru Kushima, Shuji Iritani, Norio Ozaki, Kenichi Oshima, Masanari Itokawa, Makoto Arai

The neurite curvature also showed a correlation with a hallucination score (Pearson's r = 0. 80, p = 1. 8 x 10^(-4)), indicating that neurite structure is relevant to brain function.

Hallucination

Schizophrenia-mimicking layers outperform conventional neural network layers

1 code implementation • 23 Sep 2020 • Ryuta Mizutani, Senta Noguchi, Rino Saiga, Yuichi Yamashita, Mitsuhiro Miyashita, Makoto Arai, Masanari Itokawa

The results of this study suggest that the connection alteration found in schizophrenia is not a burden to the brain, but has functional roles in brain performance.

Image Classification

Structural diverseness of neurons between brain areas and between cases

1 code implementation • 1 Jul 2020 • Ryuta Mizutani, Rino Saiga, Yoshiro Yamamoto, Masayuki Uesugi, Akihisa Takeuchi, Kentaro Uesugi, Yasuko Terada, Yoshio Suzuki, Vincent De Andrade, Francesco De Carlo, Susumu Takekoshi, Chie Inomoto, Naoya Nakamura, Youta Torii, Itaru Kushima, Shuji Iritani, Norio Ozaki, Kenichi Oshima, Masanari Itokawa, Makoto Arai

The analysis also revealed the geometric differences between the neurons of the schizophrenia and control cases, suggesting that neuron structure is associated with brain function.

Method for estimating modulation transfer function from sample images

1 code implementation • 24 Nov 2017 • Rino Saiga, Akihisa Takeuchi, Kentaro Uesugi, Yasuko Terada, Yoshio Suzuki, Ryuta Mizutani

Test images were generated from a number of images, including those taken with an electron microscope and with an observation satellite.

Estimating the resolution of real images

no code implementations • 2 Mar 2017 • Ryuta Mizutani, Rino Saiga, Susumu Takekoshi, Chie Inomoto, Naoya Nakamura, Makoto Arai, Kenichi Oshima, Masanari Itokawa, Akihisa Takeuchi, Kentaro Uesugi, Yasuko Terada, Yoshio Suzuki

Image resolvability is the primary concern in imaging.

A method for estimating spatial resolution of real image in the Fourier domain

1 code implementation • 8 Sep 2016 • Ryuta Mizutani, Rino Saiga, Susumu Takekoshi, Chie Inomoto, Naoya Nakamura, Masanari Itokawa, Makoto Arai, Kenichi Oshima, Akihisa Takeuchi, Kentaro Uesugi, Yasuko Terada, Yoshio Suzuki

In this paper, we report a method for estimating the spatial resolution of real images from a logarithmic intensity plot in the Fourier domain.

Data Analysis, Statistics and Probability Biological Physics Instrumentation and Detectors

Three-dimensional network of Drosophila brain hemisphere

no code implementations • 8 Sep 2016 • Ryuta Mizutani, Rino Saiga, Akihisa Takeuchi, Kentaro Uesugi, Yoshio Suzuki

The skeletonized model is also composed of neuronal processes that could not be classified into the groups.

Neurons and Cognition Biological Physics