Exact(7)
More straightforwardly, a recent study has found that sparse activity in the excitatory neurons of layer 2/3 or layer 5 of the somatosensory cortex results in the recruitment of a recurrent inhibitory circuit consisting of inhibitory interneurons that are somatostatin positive.
Note the relatively sparse activity compared to YC2.60 recordings and large fluctuations in burst amplitudes.
Sparse activity of the KCs represents the identity of odors (Laurent and Naraghi, 1994; Perez-Orive et al., 2002; Turner et al., 2008).
In particular, the DG is postulated to function as a pattern separator by de-correlating inputs from EC (Marr, 1971) because of its sparse activity and its considerably larger population of neurons compared to the EC and CA3.
Thus, hippocampal inputs activate two populations of neurons with variable frequency filters: immature cells, with wide‐range responses, that are reliable transmitters of the incoming frequency, and mature neurons, with narrow frequency response, that are precise at informing the beginning of the stimulus, but with a sparse activity.
Thus, activity arriving to the hippocampus at different frequencies could be reflected by the activation of graded populations of neurons, immature GC that are reliable transmitters of the incoming frequency, and mature GC that are precise at informing the beginning of the stimulus, but with sparse activity.
Similar(52)
The camp here has set up a sparse activities tent for the young, and on Monday, a stack of their pictures was on display.
The site currently has 70 listings and while the offerings are admittedly sparse, activities like Textile design in a sustainable village and a trek through Singalila in India are unique and inspirational enough to become the focal point of trips yet to be planned.
This separation of time scales results from the assumption of sparse activities.
The town was laid out ambitiously, a grid of flat, straight roads that feel wide today for the sparse commercial activity.
Our method has demonstrated potential in an image scene with sparse vehicle activity.
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