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@@ -117,4 +117,31 @@ http://audition.ens.fr/adc/sw/yin.zip (de Cheveigné & Kawahara, JASA
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## Auditory brainstem responses
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-TODO
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+The `abr_analysis_results.mat` file in the `ABR` directory is a MATLAB
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+data file with three variables:
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+
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+* `dates`: Recording dates of each ABR measurement sessions, formatted
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+ as YYYYMMDD strings.
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+* `bats`: Identity of the animal in each ABR measurement session. Note
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+ that the first (earliest) recording for each bat was acquired before
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+ any deafening.
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+* `allCONFI`: A structure array, indexed on ABR measurement session
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+ number and containing three matrices, namely
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+ - `frequencies`, the frequencies of the stimulation tone pips in Hz,
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+ - `levels`, the tested sound levels in dB, and
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+ - `confidences`, a confidence value for whether the tone pip specified
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+ by frequency and level evoked an auditory brainstem response, based
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+ on a bootstrap analysis.
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+* `resultTHRES`: A structure array, indexed on ABR measurement session
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+ number and containing two matrices, namely
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+ - `uniqueFrequencies`, the unique frequencies of the stimulation tone
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+ pips in Hz, and
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+ - `bootstrapThresholds`, the lowest sound level for the corresponding
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+ frequency for which an auditory brainstem response was obtained with
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+ a confidence value of 0.95 or greater, or NaN if there is no such
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+ level.
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+
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+`abr_data_analysis.m`, provided for reference, is the MATLAB script by
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+which these data were extracted from the raw ABR measurements.
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+`abr_data_plot.m` was used to generate the supplementary ABR audiometry
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+figure.
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