The simultaneous EEG and fMRI recordings allowed us to explore how theta power fluctuations driven by the movie correlate with local
synaptic activity in auditory cortex, as indexed by the BOLD signal (Magri et al., 2012; see Materials and Methods).
In this sense, LPA could be a key mediator in these cases of modulation of
synaptic activity in learning and memory processes, and this explains the relevance of the work we have carried out,» highlights the professor from the UCA.
The existence of this enzyme may account for the increased amount of adenosine 3», 5» monophosphate associated with
synaptic activity in the ganglion.
Not exact matches
Nitric oxide and carbon monoxide produce
activity - dependent long - term
synaptic enhancement
in hippocampus
Synaptic plasticity, the ability of neurons to alter the strength of their synaptic connections with activity and experience, is thought to play a critical role in memory
Synaptic plasticity, the ability of neurons to alter the strength of their
synaptic connections with activity and experience, is thought to play a critical role in memory
synaptic connections with
activity and experience, is thought to play a critical role
in memory storage.
The detectable phosphodiesterase
activity was localized
in postsynaptic (dendritic) nerve endings, most of it immediately adjacent to the
synaptic membrane.
In the late 1990s Goadsby and his colleagues linked cluster headaches to heightened synaptic activity falling in or near the hypothalamus, a brain region that mediates hunger, thirst, sleep, sex drive and mor
In the late 1990s Goadsby and his colleagues linked cluster headaches to heightened
synaptic activity falling
in or near the hypothalamus, a brain region that mediates hunger, thirst, sleep, sex drive and mor
in or near the hypothalamus, a brain region that mediates hunger, thirst, sleep, sex drive and more.
This finding is
in accordance with earlier animal model studies, which have shown that physical
activity increases the amount of growth factors
in the brain and improves
synaptic plasticity.
They used a somewhat bizarre technique
in which two mice were sutured together
in such as way that they shared a circulatory system (known as parabiosis), and found old mice joined to their youthful counterparts showed changes
in gene
activity in a brain region called the hippocampus as well as increased neural connections and enhanced «
synaptic plasticity» — a mechanism believed to underlie learning and memory
in which the strength of neural connections change
in response to experience.
«Up - regulating MHCI is essential for the maternal immune response, but changing MHCI
activity in the fetal brain when
synaptic connections are being formed could potentially affect synapse density,» Boulanger said.
«Our second surprising discovery is that this transport process is dependent on
synaptic activity,» says Kiebler: The intron - containing mRNA is transported from one synapse to the next — but will only be released for translation
in the vicinity of synapses that are momentarily active.
«This work shows that dendritic spines, which are sub-micrometer compartments within individual neurons, are the prime candidates for the initial tag of transient, millisecond
synaptic activity that eventually orchestrates memory traces
in the brain lasting tens of years,» said Shahid Khan, senior scientist at the Molecular Biology Consortium at Lawrence Berkeley National Laboratory and a co-author on the PNAS paper.
Long - term potentiation (LTP), a phenomenon
in which brief repetitive
activity causes a long lasting (many weeks) enhancement
in the strength of
synaptic transmission, is generally accepted to be a key cellular substrate for learning and memory.
In particular, alterations in genes associated with response to stress, apoptosis, ion channel activity, and neuronal and synaptic modeling were observe
In particular, alterations
in genes associated with response to stress, apoptosis, ion channel activity, and neuronal and synaptic modeling were observe
in genes associated with response to stress, apoptosis, ion channel
activity, and neuronal and
synaptic modeling were observed.
Synaptic activity and
activity - dependent competition regulates axon arbor maturation, growth arrest, and territory
in the retinotectal projection.
We are particularly interested
in an emotional stress - induced change
in endocannabinoid signaling and
synaptic transmission and the effects of stress on the
activity of a neuronal circuitthat is associated with learning / memory (see J. Neurosci.31: 501, 2011, 29:381, 2009; Nature Neurosci.
Excitation - transcription coupling via CaMK / ERK signaling mediates the coordinate induction of VGLUT2 and Narp triggered by a prolonged increase
in glutamatergic
synaptic activity.
Advances
in optical imaging and optogenetics combined with electrophysiological recordings enable Albeanu and colleagues to monitor and / or alter patterns of
activity at unprecedented
synaptic and millisecond resolution,
in real time, as animals are engaged
in various behaviors.
Based upon
activity in multiple CNS toxicity assays, we identified an exceptionally potent, orally active, neurotrophic molecule called J147 that facilitates memory
in normal rodents, and prevents the loss of
synaptic proteins and cognitive decline when administered to three - month - old APP / swePS1ΔE9 mice for seven months [7].
While at Montreal's McGill University, Haghighi had identified TOR as a critical player
in balancing
synaptic activity.
The latter discovered significant alterations
in synaptic structure and
activity in excitatory neuronal networks of the hippocampus, a region of the brain that plays a major role
in cognitive processes.
YanGang Sun, Juan Pita - Almenar, Chia - Shan Wu, John J Renger, Victor N. Uebele, Hui - Chen Lu, Michael Beierlein (2013) «Biphasic cholinergic
synaptic transmission controls action potential
activity in thalamic reticular nucleus neurons», Journal of Neuroscience 33: 2048 - 59.
Kauwe and others
in Haghighi's lab are exploring why such a change
in the set point of
synaptic transmission occurs so rapidly, and how dampening neuron
activity might be beneficial
in treating, or even preventing, neurodegenerative diseases.
In 2005, we demonstrated that astrocytes integrate and process
synaptic information and confirmed that astrocytes modulate neuronal electrical
activity through activation of NMDA receptors (Perea and Araque, J Neurosci, 2005).
In particular, he has focused on a phenomenon called
synaptic homeostasis, which is a way that neuronal circuits maintain
activity within a set range to ensure stable and reliable communication.
When soy lecithin supplements were given throughout perinatal development, they reduced
activity in the cerebral cortex and «altered
synaptic characteristics
in a manner consistent with disturbances
in neural function.»
According to their paper, the cellular stress and lack of nutrition catalyzed by fasting blocks the
synaptic activity of neurons that normally occurs
in the brain, which essentially means that the brain slows down.
In fact, overactive
synaptic activity has been associated with diseases like Parkinson's, Alzheimer's, and other degenerative diseases.
The
activity - tracking tool, which is actually made by touchpad - maker
Synaptics and appears to be developer software, was discovered by a tech sleuth named «ZwClose» who was trying to find out how the backlighting worked
in HP laptop keyboards.