gin commit from L-1010036236

Modified files: 1

README.md

@@ -7,7 +7,7 @@ Ujwal Chaudhary, Ioannis Vlachos, Jonas B. Zimmermann, Arnau Espinosa, Alessandr
 
 ## License
 
-This dataset is share under the [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License](https://creativecommons.org/licenses/by-nc-sa/4.0/). See the `LICENSE` document.
+This dataset is shared under the [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License](https://creativecommons.org/licenses/by-nc-sa/4.0/). See the `LICENSE` document.
 
 The Wyss Center for Bio and Neuroengineering, Geneva, Switzerland, is the owner of the dataset.
 
@@ -78,6 +78,12 @@ the patient did not acquire the target within the timeout period.
 
 #### Format of `data` files
 
+Raw neural signals sampled at 30kS/s were bandpass filtered between 0.3 and 7500 Hz, then digitally high-pass filtered at 250 Hz.
+Thresholds for spike detection were estimated at -4.5×RMS. Events sxceeding the threshold were assumed to be unsorted spikes
+and sent to a separate computer for online processing. Events were converted online to spike rates in by counting events in
+1 s long windows, advanced in 50 ms increments, for each channel separately. The resulting 20Hz firing rate data were saved in
+spike rate data binary files.
+
 Spike rate data files are binary files, consisting of a variable number of data records. Each data record has a header of constant size and a variable number of samples. All multi-byte data are stored in little-endian order.
 
 Each record consists of the following fields:
@@ -138,6 +144,10 @@ Blocks marked `Validation` were copy speller blocks, i.e. with a given target to
 
 The letter group and letter options were presented during the 'stimulus' period.
 
+#### Format of `data` files
+
+The format is identical to the one described above.
+
 ### Impedances
 
 The folder `Impedances` contains six files covering the electrode array impedances over time. The files