You can use this sample by calling the following function
[Header, Data] = ImportBDF_Biosemi(Filename,chunk,channel);

header = the header of the bdf file containing all the labels and setup data of the experiment
data = containing the data of a single chunk of a single channel in uV.

filename = the full filename of the file you want to read as a string, for example 'example.bdf'
chunk = which chunk you want to vieuw, in most cases 1 chunk equals 1 second.
channel = wich channel you want to vieuw
