344 



Information Storage and Neural Control 



PERIOD ANALYSIS OF EKG 



PRIMARY WAVE 



BASE LINE 



1 m [ 



BASE LINE CROSSINGS 

 OF PRIMARY WAVE 



m rri 



POSITIVE 

 WAVE 



NEGATIVE 

 WAVE 



FIRST DERIVATIVE 



BASE LINE CROSSINGS 

 OF FIRST DERIVATIVE 



_ra R R r 



m Ri R EZi 



BASE LINE 



POSITIVE 

 WAVE 



NEGATIVE 

 WAVE 



SECOND DERIVATIVE 



BASE CROSSING 



OF SECOND DERIVATIVE 



> "^..,/\j — BASE LINE 



nn 13 f? n n positive 



' ' ' ' wave 



nn nw\n nn nega^t^.ve 



Fig. 10. EKG Positive and Negative Square Wave Trains. The square wave trains 

 generated by baseline crosses of the primary, first derivative and second deriv- 

 ative of the EKG are detailed in this ilkistration. All durations and intervals 

 are available for computation. 



