Results 41 to 50 of about 98,891 (266)

Distinct cholinergic circuits underlie discrete effects of reward on attention

open access: yesFrontiers in Molecular Neuroscience
Attention and reward are functions that are critical for the control of behavior, and massive multi-region neural systems have evolved to support the discrete computations associated with each.
Kelly Runyon   +5 more
doaj   +1 more source

Ventrolateral periaqueductal gray neurons prioritize threat probability over fear output

open access: yeseLife, 2019
Faced with potential harm, individuals must estimate the probability of threat and initiate an appropriate fear response. In the prevailing view, threat probability estimates are relayed to the ventrolateral periaqueductal gray (vlPAG) to organize fear ...
Kristina M Wright, Michael A McDannald
doaj   +1 more source

Brainstem Organoids From Human Pluripotent Stem Cells

open access: yesFrontiers in Neuroscience, 2020
The brainstem is a posterior region of the brain, composed of three parts, midbrain, pons, and medulla oblongata. It is critical in controlling heartbeat, blood pressure, and respiration, all of which are life-sustaining functions, and therefore, damages
Nobuyuki Eura   +41 more
doaj   +1 more source

Intravital Multimodal Imaging of Human Cortical Organoid Transplantation in a Mouse Model of Chronic Stroke

open access: yesAdvanced Science, EarlyView.
A multimodal intravital imaging platform enables longitudinal tracking of human cortical organoids transplanted into chronic stroke lesions. By combining surgical microscopy, MRI, bioluminescence imaging, and two‐photon fluorescence microscopy, the platform captures graft placement, viability dynamics, and cellular‐scale morphology in vivo, offering a ...
Jinghui Wang   +12 more
wiley   +1 more source

Multimodal Imaging Reveals Rapid Catecholamine Uptake and Release by Neutrophils

open access: yesAdvanced Science, EarlyView.
We show that immune cells (neutrophils) synthesize, uptake, and store catecholamine neurotransmitters such as dopamine or adrenaline. They also release them in response to specific stimuli (serotonin), which we directly visualize using fluorescent nanosensors. We further demonstrate that catecholamines affect neutrophil functions (NETosis) and platelet
Jennifer Mohr   +19 more
wiley   +1 more source

Red nucleus and rubrospinal tract disorganization in the absence of Pou4f1

open access: yesFrontiers in Neuroanatomy, 2015
The red nucleus is a neuronal population that plays an important role in forelimb motor control and locomotion. Histologically it is subdivided into two subpopulations, the parvocellular red nucleus located in the diencephalon and the magnocellular red ...
Jesus E. eMartinez-Lopez   +5 more
doaj   +1 more source

Single-cell transcriptomics reveals correct developmental dynamics and high-quality midbrain cell types by improved hESC differentiation

open access: yesStem Cell Reports, 2023
Summary: Stem cell technologies provide new opportunities for modeling cells in health and disease and for regenerative medicine. In both cases, developmental knowledge and defining the molecular properties and quality of the cell types is essential.
Kaneyasu Nishimura   +13 more
doaj   +1 more source

Organoid Brain‐Machine‐Interface Devices for Central Nervous System Repair

open access: yesAdvanced Science, EarlyView.
We envision organoid brain‐machine‐interface (Organoid‐BMI) devices as new biohybrid bidirectional communication pathways to connect the human CNS and the external world for personalized CNS repair and regeneration. ABSTRACT Central nervous system (CNS) repair and regeneration suffer from tremendous clinical challenges due to current limitations in ...
Yantao Xing   +10 more
wiley   +1 more source

THE EFFECT OF SINGLE COMPLEX INTOXICATION WITH MORPHINE AND ALCOHOL ON THE CONTENT OF NEUROACTIVE AMINO ACIDS IN THE BRAIN OF RATS

open access: yesŽurnal Grodnenskogo Gosudarstvennogo Medicinskogo Universiteta, 2020
Background. Cases of combined consumption of surfactants (alcohol and opiates) in both the adult population and adolescents are quite common at present.
Velichko I. M.   +2 more
doaj   +1 more source

Unique case of midbrain tuberculoma presenting as isolated inferior rectus palsy with nystagmus

open access: yesIndian Journal of Ophthalmology, 2018
Isolated brain stem tuberculoma constitutes about 5% of all intracranial tuberculomas. A case of isolated inferior rectus palsy with downbeat nystagmus due to presumed midbrain tuberculoma in an immunocompetent patient is described here.
Akkayasamy Kowsalya   +3 more
doaj   +1 more source

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