Sentences with phrase «synaptic activity in»

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 morIn 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 morin 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 observeIn particular, alterations in genes associated with response to stress, apoptosis, ion channel activity, and neuronal and synaptic modeling were observein 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.
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