Yoshio Sakurai
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View article: Clinical characteristics of infantile traumatic brain injury with a biphasic clinical course and late reduced diffusion among pediatric patients with traumatic brain injury
Clinical characteristics of infantile traumatic brain injury with a biphasic clinical course and late reduced diffusion among pediatric patients with traumatic brain injury Open
Background: Infantile traumatic brain injury with a biphasic clinical course and late reduced diffusion (TBIRD) is a condition resembling acute encephalopathy with biphasic seizures and late reduced diffusion, marked by a bright tree appea…
View article: An intra-oral flavor detection task in freely moving mice
An intra-oral flavor detection task in freely moving mice Open
View article: Rats adaptively seek information to accommodate a lack of information
Rats adaptively seek information to accommodate a lack of information Open
Metacognition is the ability to adaptively control one’s behavior by referring to one’s own cognitive processes. It is thought to contribute to learning in situations where there is insufficient information available from the environment. …
View article: An intra-oral flavor discrimination task in freely moving mice
An intra-oral flavor discrimination task in freely moving mice Open
Summary Flavor plays a critical role in the pleasure of food. Flavor research has mainly focused on human subjects and revealed that many brain regions are involved in flavor perception. However, animal models for elucidating the mechanism…
View article: Imaging of extrapontine myelinolysis preceding central pontine myelinolysis in a case of ornithine transcarbamylase deficiency with hyperammonaemia and hypokalaemia
Imaging of extrapontine myelinolysis preceding central pontine myelinolysis in a case of ornithine transcarbamylase deficiency with hyperammonaemia and hypokalaemia Open
Background Patients with ornithine transcarbamylase deficiency (OTCD) often present with severe hyperammonaemia. We report a case of osmotic demyelination syndrome (ODS) secondary to the treatment of hyperammonaemia due to OTCD, a disease …
View article: Opioids in the medial nucleus of the solitary tract are not involved in feeding disorder in activity-based anorexia in rats
Opioids in the medial nucleus of the solitary tract are not involved in feeding disorder in activity-based anorexia in rats Open
Summary: Background & aims: Activity-based anorexia (ABA) is an abnormal behavior caused by mealtime restriction and excessive running. A previous study revealed that running causes the secretion of opioids in rats, and excessive opioids a…
View article: Paradoxical Enhancement of Spatial Learning Induced by Right Hippocampal Lesion in Rats
Paradoxical Enhancement of Spatial Learning Induced by Right Hippocampal Lesion in Rats Open
The left–right hemispheric differences in some brain functions are well known in humans. Among them, savant syndrome has unique features, such as exceptional abilities in vision, memory, computation, and music, despite brain abnormalities.…
View article: Review for "Retrospective memory trace sustained by the human hippocampus during working memory task"
Review for "Retrospective memory trace sustained by the human hippocampus during working memory task" Open
View article: Disconnection between Rat’s Left and Right Hemisphere Impairs Short-Term Memory but Not Long-Term Memory
Disconnection between Rat’s Left and Right Hemisphere Impairs Short-Term Memory but Not Long-Term Memory Open
Split-brain experiments, which have been actively conducted since the twentieth century, have provided a great deal of insight into functional asymmetry and inter-hemispheric interactions. However, how communication between the left and ri…
View article: Medial prefrontal cortex stimulation disrupts observational learning in Barnes maze in rats
Medial prefrontal cortex stimulation disrupts observational learning in Barnes maze in rats Open
View article: Review for "Retrospective memory trace sustained by the human hippocampus during working memory task"
Review for "Retrospective memory trace sustained by the human hippocampus during working memory task" Open
View article: Bi-directional encoding of context-based odors and behavioral states by the nucleus of the lateral olfactory tract
Bi-directional encoding of context-based odors and behavioral states by the nucleus of the lateral olfactory tract Open
View article: Encoding of odor information and reward anticipation in anterior cortical amygdaloid nucleus
Encoding of odor information and reward anticipation in anterior cortical amygdaloid nucleus Open
Olfactory information directly reaches the amygdala through the olfactory cortex, without the involvement of thalamic areas, unlike other sensory systems. The anterior cortical amygdaloid nucleus (ACo) is one of the olfactory cortices that…
View article: Tuning of olfactory cortex ventral tenia tecta neurons to distinct task elements of goal-directed behavior
Tuning of olfactory cortex ventral tenia tecta neurons to distinct task elements of goal-directed behavior Open
The ventral tenia tecta (vTT) is a component of the olfactory cortex and receives both bottom-up odor signals and top-down signals. However, the roles of the vTT in odor-coding and integration of inputs are poorly understood. Here, we inve…
View article: Bi-directional encoding of context-based odor signals and behavioral states by the nucleus of the lateral olfactory tract neurons
Bi-directional encoding of context-based odor signals and behavioral states by the nucleus of the lateral olfactory tract neurons Open
The nucleus of the lateral olfactory tract (nLOT) is not only a part of the olfactory cortex that receives olfactory sensory inputs from the olfactory bulb, but also one of the cortical amygdala areas that regulates motivational behaviors.…
View article: Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs
Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs Open
View article: Author response: Tuning of olfactory cortex ventral tenia tecta neurons to distinct task elements of goal-directed behavior
Author response: Tuning of olfactory cortex ventral tenia tecta neurons to distinct task elements of goal-directed behavior Open
View article: Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs
Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs Open
Dataset of Ohnuki et al., 2020
View article: Activities of the perirhinal cortical neurons analyzed at single-neuron and population levels
Activities of the perirhinal cortical neurons analyzed at single-neuron and population levels Open
Dataset analyzed and produced in "Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs" by Ohnuki et al., (2020).
View article: The utility of internal cognitive states as discriminative cues affecting behavioral adaptation in humans and animals
The utility of internal cognitive states as discriminative cues affecting behavioral adaptation in humans and animals Open
In the last decade, metacognitive research on nonhuman animals has yielded results suggesting that metacognition was present at least in Old World monkeys. Experimental results are inconsistent on whether other species such as New World mo…
View article: Functional left/right hippocampal asymmetry and split-brain in forming short/long-term memory
Functional left/right hippocampal asymmetry and split-brain in forming short/long-term memory Open
View article: GABAergic neurons in the olfactory cortex projecting to the lateral hypothalamus in mice
GABAergic neurons in the olfactory cortex projecting to the lateral hypothalamus in mice Open
Olfaction guides goal-directed behaviours including feeding. To investigate how central olfactory neural circuits control feeding behaviour in mice, we performed retrograde tracing from the lateral hypothalamus (LH), an important feeding c…
View article: Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs
Dynamic coordination of the perirhinal cortical neurons supports coherent representations between task epochs Open
Cortical neurons show distinct firing patterns across multiple task-epochs characterized by distinct computational aspects. Recent studies suggest that such distinct patterns underly dynamic population code achieving computational flexibil…
View article: Tuning of ventral tenia tecta neurons of the olfactory cortex to distinct scenes of feeding behavior
Tuning of ventral tenia tecta neurons of the olfactory cortex to distinct scenes of feeding behavior Open
Ventral tenia tecta (vTT) is a part of the olfactory cortex that receives both olfactory sensory signals from the olfactory bulb and top-down signals from the prefrontal cortex. To address the question whether and how the neuronal activity…
View article: Functional left/right hemispheric asymmetry in long/short-term memory of rat hippocampus
Functional left/right hemispheric asymmetry in long/short-term memory of rat hippocampus Open
View article: Challenge of “Lifelong Science”: Toward happy lives in super-aged society
Challenge of “Lifelong Science”: Toward happy lives in super-aged society Open
View article: GABAergic neurons in the olfactory cortex projecting to the lateral hypothalamus in mice
GABAergic neurons in the olfactory cortex projecting to the lateral hypothalamus in mice Open
Olfaction guides goal-directed behaviours including feeding. To investigate how central olfactory neural circuits control feeding behaviour in mice, we performed retrograde tracing from the lateral hypothalamus (LH), an important feeding c…
View article: An observational learning task using Barnes maze in rats
An observational learning task using Barnes maze in rats Open
View article: Subjective decision threshold for accurate visual detection performance in rats
Subjective decision threshold for accurate visual detection performance in rats Open
View article: Functional left/right hemispheric difference of dopamine D2 neurons in rat dorsolateral striatum
Functional left/right hemispheric difference of dopamine D2 neurons in rat dorsolateral striatum Open
Functional asymmetry in the left/right hemisphere is a well-known feature in human, e.g., the left-sided function of the language area and the right-sided spacial cognitive function. However, such asymmetrical function is not specific in h…