• Here, we employed serial section electron microscopy to show that enzymatic attenuation of ECM with chondroitinase ABC (ChABC) triggers the appearance of new glutamatergic synapses onto thin dendritic spines of CA1 pyramidal neurons. (biorxiv.org)
  • The suppression of LTP was accompanied by decreased excitability of CA1 pyramidal neurons due to the upregulation of small conductance Ca 2+ -activated K + (SK) channels. (biorxiv.org)
  • These forms of plasticity are due to increases in presynaptic neurotransmitter release, and can be engaged when dentate GCs fire in bursts (e.g., during exploratory behaviors) and bring CA3 pyramidal neurons above threshold. (eneuro.org)
  • Finally, an analysis of the spatial density of NMDA conductance required for NMDA spike production implies that, at least up to the age (postnatal day 35) that these events have been observed, most of the excitatory synaptic conductance arriving at pyramidal cells is NMDA mediated. (jneurosci.org)
  • The appearance of new synapses increased the ratio of the field excitatory postsynaptic potential (fEPSP) to presynaptic fiber volley (PrV), suggesting that these new synapses are formed on existing axonal fibers. (biorxiv.org)
  • In the hippocampus, the excitatory synapse between dentate granule cell (GC) axons, or mossy fibers (MFs), and CA3 pyramidal cells (MF-CA3) expresses robust forms of short-term plasticity, such as frequency facilitation and post-tetanic potentiation (PTP). (eneuro.org)
  • Tetanic stimuli to layer I-II afferents in rat prefrontal cortex induced long-term depression (LTD) of layer I-II to layer V pyramidal neuron glutamatergic synapses when tetani were coupled to bath application of dopamine. (jneurosci.org)
  • Since the three-dimensional structures are harder to perceive than the two-dimensional ones, the present work also suggests a two-dimensional table representation of the three-dimensional pyramidal diagram, where the four levels are all placed in a single plane, instead of one above the other. (meta-synthesis.com)
  • The porosity results from the presence of gaps between the pyramidal structures that exist even in the liquid state. (chemistryviews.org)
  • It erodes the soft sedimentary rock along already existing structures like gaps, fault lines or incisions and removes the material. (fu-berlin.de)
  • The organizational structures are also pyramidal in nature- one person at the apex and the hierarchy expanding down the line. (indianetzone.com)
  • Although government and the power structures are seen as built in a pyramidal shape, the truth is that the government or State is built horizontally. (real-agenda.com)
  • There are suggestions from other researchers that pyramidal structures as well exist under water in Bimini, and associations are made connecting this with South American structures in Cuba and the Yucatan (Ancient Mayan culture), as well the Azores, various Mediterranean islands and Egypt. (interfaith.org)
  • The structures exist in the waters off of Bimini, the esoteric connotations are only a form of conjecture as to why. (interfaith.org)
  • The differences in strengths and numbers of synapses between PV+ basket cells and either superficial sublayer or deep sublayer pyramidal cells enables a routing of inhibition from superficial to deep pyramidal cells. (yale.edu)
  • Smaller uprisings in the image center (2) have been grinded as well and exhibit a pyramidal shaped morphology. (fu-berlin.de)
  • Also, does that mean that the trigonal pyramidal shape is less stable than tetrahedral in general? (physicsforums.com)
  • The existing mound is 12 feet high in height and was most likely pyramidal in shape, though its dimensions have suffered from erosion. (hmdb.org)
  • Over the tree's lifespan it grows into a large pyramidal shape. (gardenguides.com)
  • It has a truncated-pyramidal shape and a trapezoidal flight, built with calcareous blocks. (incomingsardinia.net)
  • This simply means that the Maltese endemic orchid was no longer recognised as a distinct orchid and treated with the same conservation status of the common pyramidal orchid which is widely distributed in the Mediterranean region and south Europe. (timesofmalta.com)
  • The ivory was stockpiled in 11 pyramidal mounds, and each mound was set on fire. (worldatlas.com)
  • This research addresses this issue of existing algorithms by presenting a two-stage convolutional neural network (CNN) structure with the first and second stages being a chroma map generation network and a refinement network, respectively. (nowpublishers.com)
  • We propose a multi-resolution approach that enables the usage of existing optimization algorithms on large real-world problems modelled using high resolution 3D grids. (researchgate.net)
  • The new NVIDIA hardware accelerated OpenCV interface is similar to that of other optical flow algorithms in OpenCV so developers can easily port and accelerate their existing optical flow based applications with minimal code changes. (nvidia.com)
  • They are all equally important species for the ecology of our islands but perhaps many agree that the most attractive is the Maltese pyramidal orchid. (timesofmalta.com)
  • A karyological study can help to understand better the level of distinction and perhaps places the Maltese pyramidal orchid at species level. (timesofmalta.com)
  • The Norway spruce species has existed as far back as the Ice Age. (gardenguides.com)
  • Nesosilicates are the simplest of silicates in which the silicon-oxygen tetrahedral units (SiO 4 ) exist separately. (internetstones.com)
  • MicrocircuitDB: Parvalbumin-positive basket cells differentiate among hippocampal pyramidal cells (Lee et al. (yale.edu)
  • At the network level of this model, the effects become quite prominent when one compares the effect on firing rates when either the deep or superficial pyramidal cells receive a selective increase in excitation. (yale.edu)
  • Experiments show that, while using fewer parameters, our methodology produces results with more realistic color and higher saturation than existing methods. (nowpublishers.com)
  • Address for correspondence: Emil C. Reisinger, 1983, numerous TBEV foci existed in tickborne encephalitis test results in Division of Tropical Medicine and Infectious northeastern Germany (3). (cdc.gov)
  • It organizes the elements in a pyramidal structure of four levels, giving a clear spatial expression of different relations between the chemical elements. (meta-synthesis.com)
  • What is this pyramidal structure? (deltek.com)
  • Not unlike attributing spiritual connotations to the Pyramid at Giza, the structure exists, all else at this point is conjecture. (interfaith.org)
  • Pyramidalized cage alkenes also exist where symmetrical bending of the substituents predominates without p-orbital misalignment. (wikipedia.org)
  • Pyramid has been found to exist in over 40 places around the globe including in the Himalayas . (indianetzone.com)
  • Here a compartment model of a layer 5 pyramidal cell was used to examine the mechanisms underlying NMDA spikes and to test properties not directly accessible experimentally. (jneurosci.org)
  • A compartment model ( Rall, 1964 ) of layer 5 thick-trunked pyramidal cell was derived from the Neurolucida file of a cell reconstructed at P28 (kindly supplied by Dr. M. Larkum, University of Bern, Bern, Switzerland). (jneurosci.org)
  • Before the Creational-Process commenced, only one form of energy existed, the Kinetic Energy - of The Supreme Creator (Universal Soul). (indianetzone.com)
  • In the Louvre's situation, one can at least walk across the glass of the "negative" response to the "positive" pyramidal form (yes, like in the DaVinci Code). (gapersblock.com)
  • But near Natanz also exists one of the more dangerous places in the world, where in deep underground bunkers, Mahmoud Ahmadinejad's nuclear scientists are at hard work to try and produce the Islamic doomsday weapon- Iran's prestigious Shi'ite nuclear bomb. (defense-update.com)
  • I feel deep gratitude for my friend - and all my other pioneer friends - for the devotion they carry, for these battles they lead inside these old collective bodies (companies, schools, administrations, governments…) lead by pyramidal collective intelligence and its attached scarcity economy. (noubel.com)
  • Accordingly, in the present work, the foregoing questions have been addressed in the setting of a compartment simulation of a layer 5 intrinsically bursting pyramidal cell. (jneurosci.org)
  • at any rate the close connexion which existed from an early date between the Phoenicians and the Egyptians may have suggested the idea that both peoples belonged to the same race. (wikisource.org)
  • The Maltese pyramidal orchid is closely related to the common pyramidal orchid (Anacaptis pyramidalis) but, as stipulated by these botanists, it is distinct from the latter by forming smaller flowers with much lighter colour, more compact and rounded inflorescence spikes and they blossom some six to eight weeks earlier, with its flowering peak being during mid March. (timesofmalta.com)
  • The cobalt K pre-edge intensity shows that the symmetry of cobalt was modified from Co 3+ O h and Co 2+ O h to a Co 2+ ion where the inversion symmetry is broken, in agreement with a square-pyramidal site. (iucr.org)
  • While the current design dynamically juxtaposes the existing library and Chicago's strict grid system, it may benefit from a more tactile relationship to the site. (gapersblock.com)
  • Typically, a predilection exists for distal limbs as the site of disease onset and more severe symptoms and signs. (medscape.com)
  • The religious building was erected on a pre-existing temple, built during the Ozieri Culture (3200-2800 BC). (incomingsardinia.net)
  • The MOF is made up of pyramidal molecular frameworks, each consisting of a zinc atom and four imidazolates. (chemistryviews.org)
  • Consider ammonia dissolved in water, it exists and is a cleaning product available in your local supermarket or similar. (physicsforums.com)
  • This orchid forms numerous white to baby pink flowers stacked and spiralled over each other, forming an attractive and eye-catching cone- or pyramidal-shaped inflorescence. (timesofmalta.com)
  • See, government is composed by the people that give it the legal and moral support to exist, and so those very same people are responsible for whatever the State or government does or does not do. (real-agenda.com)
  • When confined under high pressure in special containers, vinyl chloride exists in a liquefied state. (cdc.gov)
  • A very short neck/constriction exists between the tip of the achene and the base of the tubercle. (minnesotawildflowers.info)
  • Topaz crystallizes in the orthorhombic crystal system and the crystal habit is long to short vertically striated prismatic crystals terminated by pyramidal faces. (internetstones.com)
  • Our experiments on both simulated and real data with grids of varying sizes show that using our multi-resolution approach, existing camera placement optimization methods can be used even on high resolution grids consisting of hundreds of thousands of points. (researchgate.net)
  • A few months later, from the publication of this peer-reviewed article, the scientific community started to accept again the Maltese pyramidal orchid as a good endemic orchid from Malta. (timesofmalta.com)
  • It is also mentioned that ammonium can exist as an ionic compound in water but is primarily found as NH3 and H+. (physicsforums.com)
  • There is, and it's a pyramidal framework that will change the way you communicate. (deltek.com)