# VD-EEG

Behaviour and EEG recorded during the touchscreen Visual Disrimination task performance in rats.

.smr files contain raw EEG data of rats' epidural EEG recordings.
Subjects were marked with _S001-S012 in the .smr file names.

Electrode channel numbers
1.	VISUAL (OCCIPITAL) LEFT (VL)
2.	VISUAL (OCCIPITAL) RIGHT (VR)
3.	PARIETAL LEFT (PL)
4.	PARIETAL RIGHT (PR)
5.	"-"
6.	"-"
7.	FRONTAL LEFT (FL)
8.	FRONTAL RIGHT (FR)
	
		
Bad Channels in each rat: 5, 6	(no electrode was implanted)
	

samplingRate = 10000;

triggers:
channel 12- correct touch
channel 13- incorrect touch
channel 14- image displayed
channel 15- tray entry

Data preprocessing:

High Pass Filter: 1 Hz
Low Pass Filter: 80 Hz
Notch: 45-55 Hz
ReSampling: 1000 Hz
Artefact selection by ICA and visual inspection 
Epoching: -1.5 +1.5 sec (t=0: correct touch)
Baseline: -1 -0.7 sec
Data were re-referenced to the average