Takuto Hayashi

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The objective of this research is to assess the relationship between brain functional responses to emotional stimuli and the mental stabilities of people using functional magnetic resonance imaging (fMRI). We evaluated personality features and physical symptoms of the subjects using psychological tests and categorized the subjects into two groups: the(More)
The structure of the neural circuitry of the cerebellum, which functions in some types of motor learning and coordination, is generally conserved among vertebrates. However, some cerebellar features are species specific. It is not clear which genes are involved in forming these conserved and species-specific structures and functions. This study uses(More)
The aim of this research is to evaluate the relationship between hippocampal responses to emotional stimuli and the mental stabilities of people using functional magnetic resonance imaging (fMRI). We assessed personality features and physical symptoms of the subjects using psychological tests and categorized the subjects into two groups: the mentally stable(More)
The current study evaluated the effect of different anxiety states on information processing as measured by an electroencephalography (EEG) using emotional stimuli on a smartphone. Twenty-three healthy subjects were assessed for their anxiety states using The State Trait Anxiety Inventory (STAI) and divided into two groups: low anxiety (I, II) or high(More)
The objective of this study is to assess the interaction between brain activity for cognitive and emotional processing and stress states in the healthy adults. The brain activities of thirty-three healthy adults divided into stress and non-stress groups according to their stress responses were assessed during emotional audio-visual stimuli using functional(More)
A group of the neurons in the brain responds to the stimuli from the outside and inside. The information propagates to a suitable area and is processed in the correct way in the brain of a healthy person. When a series of processes has some problems, a psychoneurotic disorder can be caused. The objective of this research is to visualize the correlation and(More)
The aim of this research is to evaluate the relationship between the response in cingulate cortex to emotional stimuli and the personal stabilities of people using functional magnetic resonance imaging (fMRI). We assessed personality features and physical symptoms of the subjects using psychological tests and categorized the subjects into two groups: the(More)
This research evaluates a functional relationship between the brain's regions using electroencephalography (EEG) under the emotional stimuli by employing coherence analysis, and finds different brain functional reactions in the psychosomatic states. Twenty-two healthy subjects were assessed for their neurotic states using the Cornell Medical Index (CMI) and(More)
The aim of this study is to investigate whether stress states affect brain responses in the regions related to emotional and cognitive processing. The brain activities of thirty-three healthy adults divided into stress and non-stress groups according to their stress responses were assessed during emotional audio-visual stimuli using functional magnetic(More)
To investigate the performance of propagation speed analysis of EEG under the emotional stimuli using smartphone. Twenty-three healthy subjects were assessed for their anxiety states using CMI and divided to two groups: low CMI score (I) or high CMI score (II, III and IV) group. EEG was measured under emotionally stimuli (relaxed and pleasant, unpleasant(More)