Results 111 to 120 of about 521,946 (359)
α‐Synuclein Pathology Spreads in a Midbrain–Hindbrain Assembloid Model
Advanced Science, EarlyView.A novel midbrain–hindbrain assembloid model demonstrates the spread of α‐synuclein pathology, a hallmark of Parkinson's disease, mimicking Braak's hypothesis. This model reveals how pathology propagates from the hindbrain to the midbrain, inducing synaptic changes and early signs of neuronal vulnerability. It offers an innovative platform for exploring
Gemma Gomez‐Giro +14 more
wiley +1 more source
Eph and ephrin signaling in the development of the central auditory system
Developmental Dynamics, Volume 252, Issue 1, Page 10-26, January 2023., 2023 Abstract Acoustic communication relies crucially on accurate interpretation of information about the intensity, frequency, timing, and location of diverse sound stimuli in the environment. To meet this demand, neurons along different levels of the auditory system form precisely organized neural circuits.
Jakub Krasewicz, Wei‐Ming Yu
wiley +1 more source
Random Walks for Spike-Timing Dependent Plasticity [PDF]
, 2003 Random walk methods are used to calculate the moments of negative image equilibrium distributions in synaptic weight dynamics governed by spike-timing dependent plasticity (STDP). The neural architecture of the model is based on the electrosensory lateral line lobe (ELL) of mormyrid electric fish, which forms a negative image of the reafferent signal ...
arxiv +1 more source
Accumulation of Dense Core Vesicles in Hippocampal Synapses Following Chronic Inactivity. [PDF]
, 2018 The morphology and function of neuronal synapses are regulated by neural activity, as manifested in activity-dependent synapse maturation and various forms of synaptic plasticity.
Bi, Guo-Qiang +4 more
core +2 more sources
Advanced Science, EarlyView.Noise‐induced synaptopathy (NIS) is largely reversible due to self‐repair. NIS and noise‐induced hidden hearing loss are two concepts with similarities and differences. The major hearing deficits in NIHHL are temporal processing disorders. The translation of animal data in NIS studies to humans is hindered by many factors.
Hui Wang, Steven J Aiken, Jian Wang
wiley +1 more source
Scientific Reports, 2017 We present a novel, all-electric approach to record and to precisely control the activity of tens of individual presynaptic neurons. The method allows for parallel mapping of the efficacy of multiple synapses and of the resulting dynamics of postsynaptic
David Jäckel +7 more
doaj +1 more source
Subcellular Imbalances in Synaptic Activity
Cell Reports, 2016 The dynamic interactions between synaptic excitation and inhibition (E/I) shape membrane potential fluctuations and determine patterns of neuronal outputs; however, the spatiotemporal organization of these interactions within a single cell is poorly ...
Naoya Takahashi +3 more
doaj +1 more source
Advanced Science, EarlyView.By investigating auditory hyperexcitability in a mouse model for hereditary deafness, this study identified a subpopulation of afferent neurons of the auditory nerve marked by Otogl expression. Despite their apparently normal hearing, Otogl+/− mice display poor activation of afferent neurons processing loud sounds and an elevation of the middle the ear
Mathilde Gagliardini +24 more
wiley +1 more source
A compact aVLSI conductance-based silicon neuron [PDF]
arXiv, 2015 We present an analogue Very Large Scale Integration (aVLSI) implementation that uses first-order lowpass filters to implement a conductance-based silicon neuron for high-speed neuromorphic systems. The aVLSI neuron consists of a soma (cell body) and a single synapse, which is capable of linearly summing both the excitatory and inhibitory postsynaptic ...
arxiv
Advanced Science, EarlyView.Mitochondria across the entire neuromuscular system have been comprehensively reconstructed at different developmental stages using 3D electron microscopy. Fundamental structural principles related to synaptic function are preserved across development, and these morphologies are adapted to ensure effective neural circuit function.
J. Alexander Bae +9 more
wiley +1 more source