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… by engineering cells to flash when a buildup of calcium ions made them electrically active. They not only … the study. Research Article spatial memory , hippocampus , calcium imaging Print Share In the media PsyPost: Sleep helps … meaningful maps of spaces spatial memory hippocampus calcium imaging Learning and Memory Memory Systems Activity …

… astrocytes labeled blue also show green staining for calcium and red staining for ChromeQ a new tool for … the team will target different genes related to calcium biochemistry. One tool will give them temporal … control over receptors that the cells use to regulate calcium levels around neurons, for instance to intentionally …

… moment.” The researchers designed their tool to respond to calcium, because neurons experience an flux of calcium ions every time they fire an electrical impulse. However, the neurons are only labeled if this calcium flux occurs while the cell is also exposed to a beam …

… glutamate release, called active zones (AZs), took in more calcium ions in phasic neurons than tonic ones. A … hypothesizes that this difference could allow for more calcium ions to crowd into the phasic active zones, perhaps … scientists had also found that phasic neurons express a calcium-ion buffering gene >30-fold more than tonic ones. …

… astrocytes do signal their activity with increases of calcium. A decade ago in Science , Sur and colleagues used … formation of neural connections called synapses, how the calcium activity arises, and what difference that activity … have their spiking code, we think there is an astrocyte calcium code that reflects and works in partnership with …

… example of data under analysis in the Littleton lab: "Cac" calcium channels (left) allow an influx of calcium to trigger neurotransmitter release, which is observed by calcium fluorescence (center). The overall likelihood of each …