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The first data modality to be released from the Allen Brain Observatory is a standardized in vivo survey of physiological activity in the mouse visual cortex, featuring representations of visually evoked calcium responses from GCaMP6-expressing neurons in at selected cortical layersdepths, visual areas and Cre lines. From the landing page you can view the cre-line, the visual area and the depth of each of the experiments conducted in this survey.

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The June 2016 release includes a variety of data visualization summaries capturing visual coding properties of single cell and cell population responses to visual stimuli. Detailed information regarding each of the visual stimuli is available by clicking on the stimulus from the panel below the cortical experiment mapimaging locations.

This resource introduces new cellular visualization summaries distinct for each visual stimulus that describe individual cellular characteristics in a single figure:

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Every experiment conducted in this study is shown by default on the Experiment Overview page. In the Allen Brain Observatory Visual Coding this study, an Experiment experiment is composed of a series of three one-hour long two-photon calcium imaging sessions on an awake mouse exposed to a series of visual stimuli. An experiment is the unique combination of one mouse, one imaging depth (e.g. 175 um from surface of cortex), and one visual area (e.g. “Anterolateral visual area” or “VISal”). More information on the experimental design and the visual stimuli can be found from the whitepapers located in Documentation.

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With the inaugural release, all of the columns (minus the two common mouse lines) are displayed by default. The Clicking on a row in the "View Cells" and or "Experiment" columns will take you to the selected #Cell List and or #Experimental Detail Page, respectively. Each of the remaining columns displays a visualization summarizing the population response of the neurons in the imaging field of view to the specific visual stimuli. The population thumbnails are shown below and can be explored in more detail from the #Experimental Detail Page.

Image Added The population thumbnails are segregated by the visual stimulus as indicated by the stimulus color key.

Experimental Detail Page

Cell List

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